<SEC-DOCUMENT>0001381197-22-000043.txt : 20220804
<SEC-HEADER>0001381197-22-000043.hdr.sgml : 20220804
<ACCEPTANCE-DATETIME>20220804162312
ACCESSION NUMBER:		0001381197-22-000043
CONFORMED SUBMISSION TYPE:	SC 13D/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20220804
DATE AS OF CHANGE:		20220804

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Interactive Brokers Group, Inc.
		CENTRAL INDEX KEY:			0001381197
		STANDARD INDUSTRIAL CLASSIFICATION:	SECURITY BROKERS, DEALERS & FLOTATION COMPANIES [6211]
		IRS NUMBER:				300390693
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-82876
		FILM NUMBER:		221136976

	BUSINESS ADDRESS:	
		STREET 1:		ONE PICKWICK PLAZA
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830
		BUSINESS PHONE:		203-618-5800

	MAIL ADDRESS:	
		STREET 1:		ONE PICKWICK PLAZA
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			IBG Holdings LLC
		CENTRAL INDEX KEY:			0001399812
		IRS NUMBER:				352296543
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A

	BUSINESS ADDRESS:	
		STREET 1:		ONE PICKWICK PLAZA
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830
		BUSINESS PHONE:		2036185800

	MAIL ADDRESS:	
		STREET 1:		ONE PICKWICK PLAZA
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D/A
<SEQUENCE>1
<FILENAME>ibgholdings-13d_a8.htm
<DESCRIPTION>SCHEDULE 13D/A AMENDMENT NO. 8
<TEXT>
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    <div style="text-align: center; font-size: 12pt;"><font style="font-size: 14pt; font-weight: bold;">UNITED STATES</font><br>
      <font style="font-size: 14pt; font-weight: bold;">SECURITIES AND EXCHANGE COMMISSION</font><br>
      <font style="font-size: 14pt;">&#160;</font><font style="font-size: 10pt; font-weight: bold;">Washington, D.C. 20549</font></div>
    <div style="text-align: center; margin-top: 14.05pt; font-size: 14pt; font-weight: bold;">SCHEDULE 13D/A</div>
    <div style="text-align: center; font-size: 10pt; font-weight: bold;">(Amendment No. 8)</div>
    <div style="text-align: center; margin-top: 14.05pt; font-size: 10pt; font-weight: bold;">Under the Securities Exchange Act of 1934</div>
    <div>
      <div><br>
      </div>
      <div style="text-align: center; margin-top: 10pt; font-size: 10pt; font-weight: bold;">Interactive Brokers Group, Inc.</div>
      <div style="text-align: center; margin-top: 10pt; font-size: 10pt; font-weight: bold;">
        <hr noshade="noshade" align="center" style="height: 2px; color: #000000; background-color: #000000; margin-left: auto; margin-right: auto; border: none;"></div>
    </div>
    <div style="text-align: center; margin-top: 5.25pt; font-size: 10pt;">(Name of Issuer)</div>
    <div>
      <div><br>
      </div>
      <div style="text-align: center; margin-top: 10pt; font-size: 10pt; font-weight: bold;">Class A Common Stock, par value $0.01 per share</div>
      <div style="text-align: center; margin-top: 10pt; font-size: 10pt; font-weight: bold;">
        <hr noshade="noshade" align="center" style="height: 2px; color: #000000; background-color: #000000; margin-left: auto; margin-right: auto; border: none;"></div>
    </div>
    <div style="text-align: center; margin-top: 5.25pt; font-size: 10pt;">(Title of Class of Securities)</div>
    <div>
      <div><br>
      </div>
      <div style="text-align: center; margin-top: 10pt; font-size: 10pt; font-weight: bold;">45841N107</div>
      <div style="text-align: center; margin-top: 10pt; font-size: 10pt; font-weight: bold;">
        <hr noshade="noshade" align="center" style="height: 2px; color: #000000; background-color: #000000; margin-left: auto; margin-right: auto; border: none;"> </div>
    </div>
    <div style="text-align: center; margin-top: 6.9pt; font-size: 10pt;">(CUSIP Number)</div>
    <div><br>
    </div>
    <div style="text-align: center; font-size: 10pt;">Thomas Peterffy</div>
    <div style="text-align: center; font-size: 10pt;">IBG Holdings LLC</div>
    <div style="text-align: center; font-size: 10pt;">One Pickwick Plaza</div>
    <div style="text-align: center; font-size: 10pt;">Greenwich, CT 06830</div>
    <div><br>
    </div>
    <div style="text-align: center; font-size: 10pt;">Copy to:</div>
    <div style="text-align: center; font-size: 10pt;">Dechert LLP</div>
    <div style="text-align: center; font-size: 10pt;"> 1095 Avenue of the Americas</div>
    <div style="text-align: center; font-size: 10pt;"> New York, NY 10036<br>
    </div>
    <div style="text-align: center; font-size: 10pt;"> (212) 698-3500<br>
    </div>
    <div style="text-align: center; font-size: 10pt;">
      <hr noshade="noshade" align="center" style="height: 2px; color: #000000; background-color: #000000; margin-left: auto; margin-right: auto; border: none;"></div>
    <div style="text-align: center; margin-top: 5.25pt; font-size: 10pt;">(Name, Address and Telephone Number of Person<br>
      Authorized to Receive Notices and Communications)</div>
    <div>
      <div><br>
      </div>
      <div style="text-align: center; margin-top: 8.35pt; font-size: 10pt; font-weight: bold;">August 1, 2022</div>
      <div style="text-align: center; margin-top: 8.35pt; font-size: 10pt; font-weight: bold;">
        <hr noshade="noshade" align="center" style="height: 2px; color: #000000; background-color: #000000; margin-left: auto; margin-right: auto; border: none;"></div>
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    <div style="text-align: center; margin-top: 5.25pt; font-size: 10pt;">(Date of Event which Requires Filing of this Statement)</div>
    <div style="text-indent: 36pt; margin-top: 10pt; font-size: 10pt;">If the filing person has previously filed a statement on Schedule 13G to report the acquisition which is the subject of this Schedule 13D, and is filing this schedule because of
      Sections 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box. [&#160;&#160;&#160;]</div>
    <div style="text-indent: 36pt; margin-top: 8.35pt; font-size: 10pt;"><font style="font-weight: bold;">Note:</font> Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits. &#160;See Section
      240.13d-7 for other parties to whom copies are to be sent.</div>
    <div style="text-indent: 36pt; margin-top: 8.35pt; font-size: 10pt;">*The remainder of this cover page shall be filled out for a reporting person&#8217;s initial filing on this form with respect to the subject class of securities, and for any subsequent
      amendment containing information which would alter disclosures provided in a prior cover page.</div>
    <div style="text-indent: 36pt; margin-top: 8.35pt; font-size: 10pt;">The information required on the remainder of this cover page shall not be deemed to be &#8220;filed&#8221; for the purpose of Section 18 of the Securities Exchange Act of 1934 (&#8220;Act&#8221;) or
      otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).</div>
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    <div>CUSIP Number 45841N107</div>
    <div>
      <table cellspacing="0" cellpadding="0" style="font-family: 'Times New Roman', Times, serif; font-size: 11pt; width: 100%; text-align: left; color: #000000;" id="z35dc1d762cb4411a9f8cbc1e099416c2">

          <tr>
            <td colspan="1" rowspan="3" style="width: 8.34%; vertical-align: middle; text-align: center; border-color: rgb(0, 0, 0); border-style: solid; border-width: 2px;">
              <div style="font-family: 'Times New Roman',Times,serif; font-size: 18pt; font-weight: bold;">1</div>
            </td>
            <td colspan="2" style="width: 16.68%; vertical-align: top; border-top: 2px solid rgb(0, 0, 0);">
              <div style="font-size: 10pt; font-weight: bold;">NAMES OF REPORTING PERSONS</div>
            </td>
            <td style="width: 64.62%; vertical-align: top; border-top: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-top: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-top: 2px solid rgb(0, 0, 0); border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td colspan="3" rowspan="1" style="width: 8.34%; vertical-align: top;">
              <div style="font-size: 10pt; font-weight: bold;">IBG Holdings LLC</div>
            </td>
            <td style="width: 5.18%; vertical-align: top;">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td rowspan="1" colspan="3" style="border-bottom: 2px solid rgb(0, 0, 0); vertical-align: top; width: 16.68%;">
              <div style="font-size: 10pt; font-weight: bold;">I.R.S. Identification No. 35-2296543</div>
            </td>
            <td style="border-bottom: 2px solid rgb(0, 0, 0); vertical-align: top; width: 5.18%;">&#160;</td>
            <td style="border-bottom: 2px solid rgb(0, 0, 0); vertical-align: top; width: 5.18%; border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td colspan="1" rowspan="3" style="width: 8.34%; vertical-align: middle; text-align: center; border-bottom: 2px solid rgb(0, 0, 0); border-left: 2px solid rgb(0, 0, 0); border-right: 2px solid rgb(0, 0, 0);">
              <div style="font-family: 'Times New Roman',Times,serif; font-size: 18pt; font-weight: bold;">2</div>
            </td>
            <td colspan="3" style="width: 81.3%; vertical-align: top;">
              <div style="font-size: 10pt; font-weight: bold;">CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP</div>
            </td>
            <td style="width: 5.18%; vertical-align: top;">
              <div style="text-align: right; font-size: 10pt;">(a)</div>
            </td>
            <td style="width: 5.18%; vertical-align: top; border-right: 2px solid rgb(0, 0, 0);">
              <div style="font-size: 10pt;">&#9746;</div>
            </td>
          </tr>
          <tr>
            <td style="width: 8.34%; vertical-align: top;">&#160;</td>
            <td style="width: 8.34%; vertical-align: top;">&#160;</td>
            <td style="width: 64.62%; vertical-align: top;">&#160;</td>
            <td style="width: 5.18%; vertical-align: top;">
              <div style="text-align: right; font-size: 10pt;">(b)</div>
            </td>
            <td style="width: 5.18%; vertical-align: top; border-right: 2px solid rgb(0, 0, 0);">
              <div style="font-size: 10pt;">&#9744;</div>
            </td>
          </tr>
          <tr>
            <td style="width: 8.34%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 8.34%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 64.62%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0); border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td colspan="1" rowspan="2" style="width: 8.34%; vertical-align: middle; border-bottom: 2px solid rgb(0, 0, 0); text-align: center; border-left: 2px solid rgb(0, 0, 0); border-right: 2px solid rgb(0, 0, 0);">
              <div style="font-family: 'Times New Roman',Times,serif; font-size: 18pt; font-weight: bold;">3</div>
            </td>
            <td colspan="2" rowspan="1" style="width: 8.34%; vertical-align: top; background-color: #969696;">
              <div style="font-size: 10pt; font-weight: bold;">SEC USE ONLY</div>
            </td>
            <td style="width: 64.62%; vertical-align: top; background-color: #969696;">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; background-color: #969696;">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; background-color: rgb(150, 150, 150); border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td style="width: 8.34%; vertical-align: top; background-color: rgb(150, 150, 150); border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 8.34%; vertical-align: top; background-color: rgb(150, 150, 150); border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 64.62%; vertical-align: top; background-color: rgb(150, 150, 150); border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; background-color: rgb(150, 150, 150); border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; background-color: rgb(150, 150, 150); border-bottom: 2px solid rgb(0, 0, 0); border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
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          <tr>
            <td colspan="1" rowspan="2" style="width: 8.34%; vertical-align: middle; text-align: center; border-left: 2px solid rgb(0, 0, 0); border-right: 2px solid rgb(0, 0, 0); border-bottom: 2px solid rgb(0, 0, 0);">
              <div style="font-family: 'Times New Roman',Times,serif; font-size: 18pt; font-weight: bold;">4</div>
            </td>
            <td colspan="3" style="width: 81.3%; vertical-align: top;">
              <div style="font-size: 10pt; font-weight: bold;">SOURCE OF FUNDS (SEE INSTRUCTIONS)</div>
            </td>
            <td style="width: 5.18%; vertical-align: top;">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td style="width: 8.34%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">
              <div style="font-size: 10pt; font-weight: bold;">OO</div>
            </td>
            <td style="width: 8.34%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 64.62%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0); border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td colspan="1" rowspan="2" style="width: 8.34%; vertical-align: middle; text-align: center; border-left: 2px solid rgb(0, 0, 0); border-bottom: 2px solid rgb(0, 0, 0); border-right: 2px solid rgb(0, 0, 0);">
              <div style="font-family: 'Times New Roman',Times,serif; font-size: 18pt; font-weight: bold;">5</div>
            </td>
            <td colspan="3" style="width: 81.3%; vertical-align: top;">
              <div style="font-size: 10pt; font-weight: bold;">CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(D) OR 2(E)</div>
            </td>
            <td style="width: 5.18%; vertical-align: top;">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-right: 2px solid rgb(0, 0, 0);">
              <div style="font-size: 10pt;">&#9744;</div>
            </td>
          </tr>
          <tr>
            <td style="width: 8.34%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 8.34%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 64.62%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0); border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td colspan="1" rowspan="2" style="width: 8.34%; vertical-align: middle; border-bottom: 2px solid rgb(0, 0, 0); text-align: center; border-left: 2px solid rgb(0, 0, 0); border-right: 2px solid rgb(0, 0, 0);">
              <div style="font-family: 'Times New Roman',Times,serif; font-size: 18pt; font-weight: bold;">6</div>
            </td>
            <td colspan="3" style="width: 81.3%; vertical-align: top;">
              <div style="font-size: 10pt; font-weight: bold;">CITIZENSHIP OR PLACE OF ORGANIZATION</div>
            </td>
            <td style="width: 5.18%; vertical-align: top;">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td rowspan="1" colspan="3" style="width: 16.68%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">
              <div style="font-size: 10pt; font-weight: bold;">Delaware, United States of America</div>
            </td>
            <td style="width: 5.18%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0); border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td rowspan="12" colspan="2" style="width: 16.68%; vertical-align: middle; text-align: center; border-left: 2px solid rgb(0, 0, 0); border-bottom: 2px solid rgb(0, 0, 0);">
              <div style="font-family: 'Times New Roman',Times,serif; font-size: 10pt; font-weight: bold;">NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH</div>
              &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</td>
            <td colspan="1" rowspan="3" style="width: 8.34%; vertical-align: middle; border-left: 2px solid rgb(0, 0, 0); border-right: 2px solid rgb(0, 0, 0); border-bottom: 2px solid rgb(0, 0, 0); text-align: center;">
              <div style="font-family: 'Times New Roman',Times,serif; font-size: 18pt; font-weight: bold;">7</div>
            </td>
            <td style="width: 64.62%; vertical-align: top;">
              <div style="font-size: 10pt; font-weight: bold;">SOLE VOTING POWER</div>
            </td>
            <td style="width: 5.18%; vertical-align: top;">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td style="width: 64.62%; vertical-align: top;">
              <div style="font-family: 'Times New Roman',Times,serif; font-size: 10pt; font-weight: bold;">316,609,102 <sup style="vertical-align: text-top; line-height: 1; font-size: smaller;">(1)</sup></div>
            </td>
            <td style="width: 5.18%; vertical-align: top;">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td rowspan="1" style="width: 64.62%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td rowspan="1" style="width: 5.18%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td rowspan="1" style="width: 5.18%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0); border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td colspan="1" rowspan="3" style="width: 8.34%; vertical-align: middle; border-left: 2px solid rgb(0, 0, 0); border-right: 2px solid rgb(0, 0, 0); border-bottom: 2px solid rgb(0, 0, 0); text-align: center;">
              <div style="font-family: 'Times New Roman',Times,serif; font-size: 18pt; font-weight: bold;">8</div>
            </td>
            <td style="width: 64.62%; vertical-align: top;">
              <div style="font-size: 10pt; font-weight: bold;">SHARED VOTING POWER</div>
            </td>
            <td style="width: 5.18%; vertical-align: top;">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td style="width: 64.62%; vertical-align: top;">
              <div style="font-size: 10pt; font-weight: bold;">Not applicable</div>
            </td>
            <td style="width: 5.18%; vertical-align: top;">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td style="width: 64.62%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0); border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td colspan="1" rowspan="3" style="width: 8.34%; vertical-align: middle; border-left: 2px solid rgb(0, 0, 0); border-right: 2px solid rgb(0, 0, 0); border-bottom: 2px solid rgb(0, 0, 0); text-align: center;">
              <div style="font-family: 'Times New Roman',Times,serif; font-size: 18pt; font-weight: bold;">9</div>
            </td>
            <td style="width: 64.62%; vertical-align: top;">
              <div style="font-size: 10pt; font-weight: bold;">SOLE DISPOSITIVE POWER</div>
            </td>
            <td style="width: 5.18%; vertical-align: top;">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td style="width: 64.62%; vertical-align: top;">
              <div style="font-size: 10pt; font-weight: bold;">Not applicable</div>
            </td>
            <td style="width: 5.18%; vertical-align: top;">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td style="width: 64.62%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0); border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td colspan="1" rowspan="3" style="width: 8.34%; vertical-align: middle; border-left: 2px solid rgb(0, 0, 0); border-right: 2px solid rgb(0, 0, 0); border-bottom: 2px solid rgb(0, 0, 0); text-align: center;">
              <div style="font-family: 'Times New Roman',Times,serif; font-size: 18pt; font-weight: bold;">10</div>
            </td>
            <td style="width: 64.62%; vertical-align: top;">
              <div style="font-size: 10pt; font-weight: bold;">SHARED DISPOSITIVE POWER</div>
            </td>
            <td style="width: 5.18%; vertical-align: top;">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td style="width: 64.62%; vertical-align: top;">
              <div style="font-size: 10pt; font-weight: bold;">Not applicable</div>
            </td>
            <td style="width: 5.18%; vertical-align: top;">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td style="width: 64.62%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0); border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td colspan="1" rowspan="3" style="width: 8.34%; vertical-align: middle; border-left: 2px solid rgb(0, 0, 0); border-right: 2px solid rgb(0, 0, 0); border-bottom: 2px solid rgb(0, 0, 0); text-align: center;">
              <div style="font-family: 'Times New Roman',Times,serif; font-size: 18pt; font-weight: bold;">11</div>
            </td>
            <td colspan="3" style="width: 81.3%; vertical-align: top;">
              <div style="font-size: 10pt; font-weight: bold;">AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON</div>
            </td>
            <td style="width: 5.18%; vertical-align: top;">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td colspan="2" rowspan="1" style="width: 8.34%; vertical-align: top;">
              <div style="font-size: 10pt; font-weight: bold;">316,609,102 <sup style="vertical-align: text-top; line-height: 1; font-size: smaller;">(1)</sup></div>
            </td>
            <td style="width: 64.62%; vertical-align: top;">&#160;</td>
            <td style="width: 5.18%; vertical-align: top;">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td rowspan="1" style="width: 8.34%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td rowspan="1" style="width: 8.34%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td rowspan="1" style="width: 64.62%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td rowspan="1" style="width: 5.18%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td rowspan="1" style="width: 5.18%; vertical-align: top; border-right: 2px solid rgb(0, 0, 0); border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td colspan="1" rowspan="2" style="width: 8.34%; vertical-align: middle; border-left: 2px solid rgb(0, 0, 0); border-right: 2px solid rgb(0, 0, 0); text-align: center; border-bottom: 2px solid rgb(0, 0, 0);">
              <div style="font-family: 'Times New Roman',Times,serif; font-size: 18pt; font-weight: bold;">12</div>
            </td>
            <td colspan="3" style="width: 81.3%; vertical-align: top;">
              <div style="font-size: 10pt; font-weight: bold;">CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)</div>
            </td>
            <td style="width: 5.18%; vertical-align: top;">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-right: 2px solid rgb(0, 0, 0);">
              <div style="font-size: 10pt;">&#9744;</div>
            </td>
          </tr>
          <tr>
            <td style="width: 8.34%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 8.34%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 64.62%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0); border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td colspan="1" rowspan="3" style="width: 8.34%; vertical-align: middle; border-left: 2px solid rgb(0, 0, 0); border-right: 2px solid rgb(0, 0, 0); text-align: center; border-bottom: 2px solid rgb(0, 0, 0);">
              <div style="font-family: 'Times New Roman',Times,serif; font-size: 18pt; font-weight: bold;">13</div>
            </td>
            <td colspan="3" style="width: 81.3%; vertical-align: top;">
              <div style="font-size: 10pt; font-weight: bold;">PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)</div>
            </td>
            <td style="width: 5.18%; vertical-align: top;">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td style="width: 8.34%; vertical-align: top;">
              <div style="font-size: 10pt; font-weight: bold;">75.5%</div>
            </td>
            <td style="width: 8.34%; vertical-align: top;">&#160;</td>
            <td style="width: 64.62%; vertical-align: top;">&#160;</td>
            <td style="width: 5.18%; vertical-align: top;">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td rowspan="1" style="width: 8.34%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td rowspan="1" style="width: 8.34%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td rowspan="1" style="width: 64.62%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td rowspan="1" style="width: 5.18%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td rowspan="1" style="width: 5.18%; vertical-align: top; border-right: 2px solid rgb(0, 0, 0); border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td colspan="1" rowspan="3" style="width: 8.34%; vertical-align: middle; border-left: 2px solid rgb(0, 0, 0); border-right: 2px solid rgb(0, 0, 0); text-align: center; border-bottom: 2px solid rgb(0, 0, 0);">
              <div style="font-family: 'Times New Roman',Times,serif; font-size: 18pt; font-weight: bold;">14</div>
            </td>
            <td colspan="3" style="width: 81.3%; vertical-align: top;">
              <div style="font-size: 10pt; font-weight: bold;">TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)</div>
            </td>
            <td style="width: 5.18%; vertical-align: top;">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td style="width: 8.34%; vertical-align: top;">
              <div style="font-size: 10pt; font-weight: bold;">HC</div>
            </td>
            <td style="width: 8.34%; vertical-align: top;">&#160;</td>
            <td style="width: 64.62%; vertical-align: top;">&#160;</td>
            <td style="width: 5.18%; vertical-align: top;">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td rowspan="1" style="width: 8.34%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td rowspan="1" style="width: 8.34%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td rowspan="1" style="width: 64.62%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td rowspan="1" style="width: 5.18%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td rowspan="1" style="width: 5.18%; vertical-align: top; border-right: 2px solid rgb(0, 0, 0); border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>

      </table>
    </div>
    <div><br>
    </div>
    <div>
      <div style="TEXT-ALIGN: center">
        <table cellspacing="0" cellpadding="0" border="0" style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; WIDTH: 100%">

            <tr valign="top">
              <td style="WIDTH: 360pt">
                <div style="margin-left: 0pt; margin-right: 0pt; text-indent: 0pt;">(1)</div>
              </td>
              <td style="WIDTH: 98%">
                <div style="text-align: left;">Pursuant to the Amended and Restated Certificate of Incorporation of the issuer, IBG Holdings LLC, as the sole holder of the 100 outstanding shares of the issuer&#8217;s Class B Common Stock, is entitled to the
                  number of votes equal to the number of IBG LLC membership interests held by it at any given time. As of the date of this statement, IBG Holdings LLC holds 316,609,102 IBG LLC membership interests.</div>
              </td>
            </tr>

        </table>
      </div>
      <div><br>
      </div>
    </div>
    <div style="clear: both; margin-top: 11pt; margin-bottom: 11pt;" id="DSPFPageBreakArea">
      <div style="text-align: center;" id="DSPFPageNumberArea"><font style="font-size: 9pt; font-weight: normal; font-style: normal;" id="DSPFPageNumber">1</font></div>
      <div style="page-break-after:always;" id="DSPFPageBreak">
        <hr noshade="noshade" style="margin: 4px 0px; width: 100%; border-width: 0; height: 2px; color: #000000; background-color: #000000; clear: both;"></div>
    </div>
    <div><br>
    </div>
  </div>
  <div>
    <div>CUSIP Number 45841N107</div>
    <div>
      <table cellspacing="0" cellpadding="0" style="font-family: 'Times New Roman', Times, serif; font-size: 11pt; width: 100%; text-align: left; color: #000000;">

          <tr>
            <td colspan="1" rowspan="3" style="width: 8.34%; vertical-align: middle; text-align: center; border-color: rgb(0, 0, 0); border-style: solid; border-width: 2px;">
              <div style="font-family: 'Times New Roman',Times,serif; font-size: 18pt; font-weight: bold;">1</div>
            </td>
            <td colspan="2" style="width: 16.68%; vertical-align: top; border-top: 2px solid rgb(0, 0, 0);">
              <div style="font-size: 10pt; font-weight: bold;">NAMES OF REPORTING PERSONS</div>
            </td>
            <td style="width: 64.62%; vertical-align: top; border-top: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-top: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-top: 2px solid rgb(0, 0, 0); border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td colspan="2" rowspan="1" style="width: 8.34%; vertical-align: top;">
              <div>
                <div style="font-size: 10pt; font-weight: bold;">Thomas Peterffy</div>
              </div>
            </td>
            <td style="width: 64.62%; vertical-align: top;">&#160;</td>
            <td style="width: 5.18%; vertical-align: top;">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td colspan="2" style="border-bottom: 2px solid rgb(0, 0, 0); vertical-align: top; width: 16.68%;">
              <div style="font-size: 10pt; font-weight: bold;"><br>
              </div>
            </td>
            <td style="border-bottom: 2px solid rgb(0, 0, 0); vertical-align: top; width: 64.62%;">&#160;</td>
            <td style="border-bottom: 2px solid rgb(0, 0, 0); vertical-align: top; width: 5.18%;">&#160;</td>
            <td style="border-bottom: 2px solid rgb(0, 0, 0); vertical-align: top; width: 5.18%; border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td colspan="1" rowspan="3" style="width: 8.34%; vertical-align: middle; text-align: center; border-bottom: 2px solid rgb(0, 0, 0); border-left: 2px solid rgb(0, 0, 0); border-right: 2px solid rgb(0, 0, 0);">
              <div style="font-family: 'Times New Roman',Times,serif; font-size: 18pt; font-weight: bold;">2</div>
            </td>
            <td colspan="3" style="width: 81.3%; vertical-align: top;">
              <div style="font-size: 10pt; font-weight: bold;">CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP</div>
            </td>
            <td style="width: 5.18%; vertical-align: top;">
              <div style="text-align: right; font-size: 10pt;">(a)</div>
            </td>
            <td style="width: 5.18%; vertical-align: top; border-right: 2px solid rgb(0, 0, 0);">
              <div style="font-size: 10pt;">&#9746;</div>
            </td>
          </tr>
          <tr>
            <td style="width: 8.34%; vertical-align: top;">&#160;</td>
            <td style="width: 8.34%; vertical-align: top;">&#160;</td>
            <td style="width: 64.62%; vertical-align: top;">&#160;</td>
            <td style="width: 5.18%; vertical-align: top;">
              <div style="text-align: right; font-size: 10pt;">(b)</div>
            </td>
            <td style="width: 5.18%; vertical-align: top; border-right: 2px solid rgb(0, 0, 0);">
              <div style="font-size: 10pt;">&#9744;</div>
            </td>
          </tr>
          <tr>
            <td style="width: 8.34%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 8.34%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 64.62%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0); border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td colspan="1" rowspan="2" style="width: 8.34%; vertical-align: middle; border-bottom: 2px solid rgb(0, 0, 0); text-align: center; border-left: 2px solid rgb(0, 0, 0); border-right: 2px solid rgb(0, 0, 0);">
              <div style="font-family: 'Times New Roman',Times,serif; font-size: 18pt; font-weight: bold;">3</div>
            </td>
            <td colspan="2" rowspan="1" style="width: 8.34%; vertical-align: top; background-color: #969696;">
              <div style="font-size: 10pt; font-weight: bold;">SEC USE ONLY</div>
            </td>
            <td style="width: 64.62%; vertical-align: top; background-color: #969696;">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; background-color: #969696;">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; background-color: rgb(150, 150, 150); border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td style="width: 8.34%; vertical-align: top; background-color: rgb(150, 150, 150); border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 8.34%; vertical-align: top; background-color: rgb(150, 150, 150); border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 64.62%; vertical-align: top; background-color: rgb(150, 150, 150); border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; background-color: rgb(150, 150, 150); border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; background-color: rgb(150, 150, 150); border-bottom: 2px solid rgb(0, 0, 0); border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td colspan="1" rowspan="2" style="width: 8.34%; vertical-align: middle; text-align: center; border-left: 2px solid rgb(0, 0, 0); border-right: 2px solid rgb(0, 0, 0); border-bottom: 2px solid rgb(0, 0, 0);">
              <div style="font-family: 'Times New Roman',Times,serif; font-size: 18pt; font-weight: bold;">4</div>
            </td>
            <td colspan="3" style="width: 81.3%; vertical-align: top;">
              <div style="font-size: 10pt; font-weight: bold;">SOURCE OF FUNDS (SEE INSTRUCTIONS)</div>
            </td>
            <td style="width: 5.18%; vertical-align: top;">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td style="width: 8.34%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">
              <div style="font-size: 10pt; font-weight: bold;">OO</div>
            </td>
            <td style="width: 8.34%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 64.62%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0); border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td colspan="1" rowspan="2" style="width: 8.34%; vertical-align: middle; text-align: center; border-left: 2px solid rgb(0, 0, 0); border-bottom: 2px solid rgb(0, 0, 0); border-right: 2px solid rgb(0, 0, 0);">
              <div style="font-family: 'Times New Roman',Times,serif; font-size: 18pt; font-weight: bold;">5</div>
            </td>
            <td colspan="3" style="width: 81.3%; vertical-align: top;">
              <div style="font-size: 10pt; font-weight: bold;">CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(D) OR 2(E)</div>
            </td>
            <td style="width: 5.18%; vertical-align: top;">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-right: 2px solid rgb(0, 0, 0);">
              <div style="font-size: 10pt;">&#9744;</div>
            </td>
          </tr>
          <tr>
            <td style="width: 8.34%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 8.34%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 64.62%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0); border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td colspan="1" rowspan="2" style="width: 8.34%; vertical-align: middle; border-bottom: 2px solid rgb(0, 0, 0); text-align: center; border-left: 2px solid rgb(0, 0, 0); border-right: 2px solid rgb(0, 0, 0);">
              <div style="font-family: 'Times New Roman',Times,serif; font-size: 18pt; font-weight: bold;">6</div>
            </td>
            <td colspan="3" style="width: 81.3%; vertical-align: top;">
              <div style="font-size: 10pt; font-weight: bold;">CITIZENSHIP OR PLACE OF ORGANIZATION</div>
            </td>
            <td style="width: 5.18%; vertical-align: top;">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td colspan="2" style="width: 16.68%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">
              <div style="font-size: 10pt; font-weight: bold;">United States of America</div>
            </td>
            <td style="width: 64.62%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0); border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td rowspan="12" colspan="2" style="width: 16.68%; vertical-align: middle; text-align: center; border-left: 2px solid rgb(0, 0, 0); border-bottom: 2px solid rgb(0, 0, 0);">
              <div style="font-family: 'Times New Roman',Times,serif; font-size: 10pt; font-weight: bold;">NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH</div>
              &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</td>
            <td colspan="1" rowspan="3" style="width: 8.34%; vertical-align: middle; border-left: 2px solid rgb(0, 0, 0); border-right: 2px solid rgb(0, 0, 0); border-bottom: 2px solid rgb(0, 0, 0); text-align: center;">
              <div style="font-family: 'Times New Roman',Times,serif; font-size: 18pt; font-weight: bold;">7</div>
            </td>
            <td style="width: 64.62%; vertical-align: top;">
              <div style="font-size: 10pt; font-weight: bold;">SOLE VOTING POWER</div>
            </td>
            <td style="width: 5.18%; vertical-align: top;">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td style="width: 64.62%; vertical-align: top;">
              <div style="font-family: 'Times New Roman',Times,serif; font-size: 10pt; font-weight: bold;">&#160;2,663,792<sup style="vertical-align: text-top; line-height: 1; font-size: smaller;"> (1)</sup><sup style="vertical-align: text-top; line-height: 1; font-size: smaller;"></sup></div>
            </td>
            <td style="width: 5.18%; vertical-align: top;">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td rowspan="1" style="width: 64.62%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;<font style="font-size: 10pt; font-weight: bold;">316,609,102 <sup style="vertical-align: text-top; line-height: 1; font-size: smaller;">(2)</sup></font></td>
            <td rowspan="1" style="width: 5.18%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td rowspan="1" style="width: 5.18%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0); border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td colspan="1" rowspan="3" style="width: 8.34%; vertical-align: middle; border-left: 2px solid rgb(0, 0, 0); border-right: 2px solid rgb(0, 0, 0); border-bottom: 2px solid rgb(0, 0, 0); text-align: center;">
              <div style="font-family: 'Times New Roman',Times,serif; font-size: 18pt; font-weight: bold;">8</div>
            </td>
            <td style="width: 64.62%; vertical-align: top;">
              <div style="font-size: 10pt; font-weight: bold;">SHARED VOTING POWER</div>
            </td>
            <td style="width: 5.18%; vertical-align: top;">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td style="width: 64.62%; vertical-align: top;">
              <div style="font-size: 10pt; font-weight: bold;">Not applicable</div>
            </td>
            <td style="width: 5.18%; vertical-align: top;">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td style="width: 64.62%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0); border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td colspan="1" rowspan="3" style="width: 8.34%; vertical-align: middle; border-left: 2px solid rgb(0, 0, 0); border-right: 2px solid rgb(0, 0, 0); border-bottom: 2px solid rgb(0, 0, 0); text-align: center;">
              <div style="font-family: 'Times New Roman',Times,serif; font-size: 18pt; font-weight: bold;">9</div>
            </td>
            <td style="width: 64.62%; vertical-align: top;">
              <div style="font-size: 10pt; font-weight: bold;">SOLE DISPOSITIVE POWER</div>
            </td>
            <td style="width: 5.18%; vertical-align: top;">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td style="width: 64.62%; vertical-align: top;">
              <div style="font-size: 10pt; font-weight: bold;">2,663,792 <sup style="vertical-align: text-top; line-height: 1; font-size: smaller;">(1)</sup></div>
            </td>
            <td style="width: 5.18%; vertical-align: top;">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td style="width: 64.62%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0); border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td colspan="1" rowspan="3" style="width: 8.34%; vertical-align: middle; border-left: 2px solid rgb(0, 0, 0); border-right: 2px solid rgb(0, 0, 0); border-bottom: 2px solid rgb(0, 0, 0); text-align: center;">
              <div style="font-family: 'Times New Roman',Times,serif; font-size: 18pt; font-weight: bold;">10</div>
            </td>
            <td style="width: 64.62%; vertical-align: top;">
              <div style="font-size: 10pt; font-weight: bold;">SHARED DISPOSITIVE POWER</div>
            </td>
            <td style="width: 5.18%; vertical-align: top;">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td style="width: 64.62%; vertical-align: top;">
              <div style="font-size: 10pt; font-weight: bold;">Not applicable</div>
            </td>
            <td style="width: 5.18%; vertical-align: top;">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td style="width: 64.62%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0); border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td colspan="1" rowspan="3" style="width: 8.34%; vertical-align: middle; border-left: 2px solid rgb(0, 0, 0); border-right: 2px solid rgb(0, 0, 0); border-bottom: 2px solid rgb(0, 0, 0); text-align: center;">
              <div style="font-family: 'Times New Roman',Times,serif; font-size: 18pt; font-weight: bold;">11</div>
            </td>
            <td colspan="3" style="width: 81.3%; vertical-align: top;">
              <div style="font-size: 10pt; font-weight: bold;">AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON</div>
            </td>
            <td style="width: 5.18%; vertical-align: top;">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td colspan="2" rowspan="1" style="width: 8.34%; vertical-align: top;">
              <div style="font-size: 10pt; font-weight: bold;">2,663,792<sup style="vertical-align: text-top; line-height: 1; font-size: smaller;">(1)</sup></div>
            </td>
            <td style="width: 64.62%; vertical-align: top;">&#160;</td>
            <td style="width: 5.18%; vertical-align: top;">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td colspan="2" rowspan="1" style="width: 8.34%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);"><font style="font-size: 10pt; font-weight: bold;">316,609,102 <sup style="vertical-align: text-top; line-height: 1; font-size: smaller;">(2)</sup></font>&#160;</td>
            <td rowspan="1" style="width: 64.62%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td rowspan="1" style="width: 5.18%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td rowspan="1" style="width: 5.18%; vertical-align: top; border-right: 2px solid rgb(0, 0, 0); border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td colspan="1" rowspan="2" style="width: 8.34%; vertical-align: middle; border-left: 2px solid rgb(0, 0, 0); border-right: 2px solid rgb(0, 0, 0); text-align: center; border-bottom: 2px solid rgb(0, 0, 0);">
              <div style="font-family: 'Times New Roman',Times,serif; font-size: 18pt; font-weight: bold;">12</div>
            </td>
            <td colspan="3" style="width: 81.3%; vertical-align: top;">
              <div style="font-size: 10pt; font-weight: bold;">CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)</div>
            </td>
            <td style="width: 5.18%; vertical-align: top;">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-right: 2px solid rgb(0, 0, 0);">
              <div style="font-size: 10pt;">&#9744;</div>
            </td>
          </tr>
          <tr>
            <td style="width: 8.34%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 8.34%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 64.62%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0); border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td colspan="1" rowspan="3" style="width: 8.34%; vertical-align: middle; border-left: 2px solid rgb(0, 0, 0); border-right: 2px solid rgb(0, 0, 0); text-align: center; border-bottom: 2px solid rgb(0, 0, 0);">
              <div style="font-family: 'Times New Roman',Times,serif; font-size: 18pt; font-weight: bold;">13</div>
            </td>
            <td colspan="3" style="width: 81.3%; vertical-align: top;">
              <div style="font-size: 10pt; font-weight: bold;">PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)</div>
            </td>
            <td style="width: 5.18%; vertical-align: top;">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td style="width: 8.34%; vertical-align: top;">
              <div style="font-size: 10pt; font-weight: bold;">76.1%<sup style="vertical-align: text-top; line-height: 1; font-size: smaller;"> (3)</sup></div>
            </td>
            <td style="width: 8.34%; vertical-align: top;">&#160;</td>
            <td style="width: 64.62%; vertical-align: top;">&#160;</td>
            <td style="width: 5.18%; vertical-align: top;">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td rowspan="1" style="width: 8.34%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td rowspan="1" style="width: 8.34%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td rowspan="1" style="width: 64.62%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td rowspan="1" style="width: 5.18%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td rowspan="1" style="width: 5.18%; vertical-align: top; border-right: 2px solid rgb(0, 0, 0); border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td colspan="1" rowspan="3" style="width: 8.34%; vertical-align: middle; border-left: 2px solid rgb(0, 0, 0); border-right: 2px solid rgb(0, 0, 0); text-align: center; border-bottom: 2px solid rgb(0, 0, 0);">
              <div style="font-family: 'Times New Roman',Times,serif; font-size: 18pt; font-weight: bold;">14</div>
            </td>
            <td colspan="3" style="width: 81.3%; vertical-align: top;">
              <div style="font-size: 10pt; font-weight: bold;">TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)</div>
            </td>
            <td style="width: 5.18%; vertical-align: top;">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td style="width: 8.34%; vertical-align: top;">
              <div style="font-size: 10pt; font-weight: bold;">IN</div>
            </td>
            <td style="width: 8.34%; vertical-align: top;">&#160;</td>
            <td style="width: 64.62%; vertical-align: top;">&#160;</td>
            <td style="width: 5.18%; vertical-align: top;">&#160;</td>
            <td style="width: 5.18%; vertical-align: top; border-right: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>
          <tr>
            <td rowspan="1" style="width: 8.34%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td rowspan="1" style="width: 8.34%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td rowspan="1" style="width: 64.62%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td rowspan="1" style="width: 5.18%; vertical-align: top; border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
            <td rowspan="1" style="width: 5.18%; vertical-align: top; border-right: 2px solid rgb(0, 0, 0); border-bottom: 2px solid rgb(0, 0, 0);">&#160;</td>
          </tr>

      </table>
    </div>
  </div>
  <div> &#160; <br>
  </div>
  <div>
    <div>
      <div>
        <div style="TEXT-ALIGN: center">
          <table cellspacing="0" cellpadding="0" border="0" style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; WIDTH: 100%">

              <tr valign="top">
                <td style="WIDTH: 360pt">
                  <div style="margin-left: 0pt; margin-right: 0pt; text-indent: 0pt;">(1)</div>
                </td>
                <td style="WIDTH: 98%">
                  <div style="text-align: left;">Mr. Thomas Peterffy redeemed 1,000,000 shares in IBG Holdings LLC on August 1, 2022, as more particularly described in in the prospectus supplement filed on Form 424b5 (File No. 333-240121) (the &#8220;Prospectus
                    Supplement&#8221;) with the Securities and Exchange Commission (&#8220;SEC&#8221;) on August 1, 2022.&#160; In the redemption transaction, IBG Holdings LLC acquired 1,000,000 shares of the Class A Common Stock from the issuer and these 1,000,000 shares were
                    distributed in-kind to Mr. Peterffy in partial redemption of his interest. Mr. Peterffy previously owned 1,587,511 shares of the issuer&#8217;s Class A Common Stock.</div>
                  <div style="text-align: left;"> <br>
                  </div>
                  <div style="text-align: left;"> Mr. Peterffy is the Chairman and President of Balance for Freedom, a private non-operating foundation established by Mr. Peterffy. The foundation owns 76,281 shares of the issuer&#8217;s Class A Common Stock.&#160;
                    Although Mr. Peterffy may control the voting and disposition of these shares, he has no beneficial ownership in the shares.</div>
                </td>
              </tr>

          </table>
        </div>
        <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br>
        </div>
        <div style="TEXT-ALIGN: center">
          <table cellspacing="0" cellpadding="0" border="0" style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; WIDTH: 100%">

              <tr valign="top">
                <td style="WIDTH: 360pt">
                  <div style="margin-left: 0pt; margin-right: 0pt; text-indent: 0pt;">(2)</div>
                </td>
                <td style="WIDTH: 98%">Pursuant to the Amended and Restated Certificate of Incorporation of the issuer, Mr. Thomas Peterffy, through the ownership of his revocable trust of the voting membership interest in IBG Holdings LLC, beneficially
                  owns all of the 100 outstanding shares of the issuer&#8217;s Class B Common Stock and accordingly is entitled to the number of votes equal to the number of IBG LLC membership interests held by IBG Holdings LLC at any given time. As of the date
                  of this statement, IBG Holdings LLC holds 316,609,102 IBG LLC membership interests.</td>
              </tr>

          </table>
        </div>
        <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br>
        </div>
        <div style="TEXT-ALIGN: center">
          <table cellspacing="0" cellpadding="0" border="0" style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; WIDTH: 100%">

              <tr valign="top">
                <td style="WIDTH: 360pt">
                  <div style="margin-left: 0pt; margin-right: 0pt; text-indent: 0pt;">(3)</div>
                </td>
                <td style="WIDTH: 98%">
                  <div style="text-align: left;">As described above, Mr. Thomas Peterffy acquired 1,000,000 shares of issuer&#8217;s Class A Common Stock on August 1, 2022. Together with his previously owned shares and foundation shares over which he has voting
                    control, these shares represent approximately 2.6% of the outstanding shares of Class A Common Stock and approximately 0.6% voting power of the issuer. In addition, through his revocable trust&#8217;s indirect ownership of the voting
                    membership interests in IBG Holdings LLC, Mr. Thomas Peterffy beneficially owns all of the 100 outstanding shares of the issuer&#8217;s Class B Common Stock and accordingly holds approximately 75.5% of the voting power of the issuer through
                    such ownership and he controls voting shares through his private foundation. In total, Mr. Thomas Peterffy holds approximately 76.1% of the voting power of the issuer.</div>
                </td>
              </tr>

          </table>
        </div>
      </div>
    </div>
    <div><br>
    </div>
    <div><br>
    </div>
    <div id="DSPFPageBreakArea" style="clear: both; margin-top: 11pt; margin-bottom: 11pt;">
      <div style="text-align: center;" id="DSPFPageNumberArea"><font style="font-size: 9pt; font-weight: normal; font-style: normal;" id="DSPFPageNumber">2</font></div>
      <div id="DSPFPageBreak" style="page-break-after: always;">
        <hr noshade="noshade" style="border-width: 0px; clear: both; margin: 4px 0px; width: 100%; height: 2px; color: #000000; background-color: #000000;"></div>
    </div>
    <div><br>
    </div>
    <div style="margin: 0px 0px 0px; font-size: 10pt;"><font style="font-weight: bold;">Introductory Note:</font>&#160; This Amendment No. 8 to the Schedule 13D (this &#8220;Amendment&#8221;) filed by IBG Holdings LLC (&#8220;IBG Holdings&#8221;) and Thomas Peterffy (together with IBG
      Holdings, the &#8220;Reporting Persons&#8221;) relates to the acquisition and distribution of 3,271,390 shares of Class A Common Stock of Interactive Brokers Group, Inc. (the &#8220;Company&#8221;) by the Reporting Persons on August 1, 2022. This Amendment amends and
      supplements the Schedule 13D filed on May 17, 2007, which has been previously amended on November 18, 2013, October 24, 2014, July 24, 2015, July 28, 2016, July 28, 2017, July 27, 2018 and October 30, 2020 (the &#8220;Schedule 13D&#8221;) with respect to the
      Class A Common Stock of the Company. Except as specified in this Amendment, all previous Items are unchanged. Unless otherwise indicated herein, capitalized terms used but not defined in this Amendment shall have the same meanings herein as are
      ascribed to such terms in the Schedule 13D.</div>
    <div style="margin: auto 0px 0px;"><br>
    </div>
    <div style="margin: 0px 0px 0px; font-size: 10pt; font-weight: bold;">Item 1. &#160;Security and Issuer</div>
    <div style="margin: 0px 0px 0px; font-size: 10pt; font-weight: bold;"> <br>
    </div>
    <div style="margin: 0px 0px 0px; font-size: 10pt;">The third paragraph of Item 1 is hereby amended and restated to read as follows:</div>
    <div style="margin: auto 0px 0px; font-size: 10pt;"> <br>
    </div>
    <div style="margin: 0px 0px 0px; font-size: 10pt; text-indent: 36pt;">Pursuant to the Amended and Restated Certificate of Incorporation of the Company (the &#8220;<u>Restated Charter</u>&#8221;), IBG Holdings, as the sole holder of the 100 outstanding shares of
      the Class B Common Stock, is entitled to the number of votes equal to the number of IBG LLC membership interests held by it at any given time. As of the date of this statement, IBG Holdings holds 316,609,102 IBG LLC membership interests, and, as a
      result, the Class B Common Stock held by IBG Holdings represents approximately 75.5% of the voting power of the Company.&#160;Mr. Thomas Peterffy, through his revocable trust&#8217;s indirect ownership of the voting membership interests in IBG Holdings,
      beneficially owns all of the outstanding shares of the Class B Common Stock, which represent approximately 75.5% of the voting power of the Company.</div>
    <div style="margin: 0px 0px 0px;"><br>
    </div>
    <div style="margin: 0px 0px 0px; font-size: 10pt;">The following paragraph is hereby added to Item 1:</div>
    <div style="margin: 0px 0px 0px; font-size: 10pt;"> <br>
    </div>
    <div style="margin: 0px 0px 0px; font-size: 10pt; text-indent: 36pt;">On August 1, 2022, consistent with the terms of that certain Exchange Agreement entered into by and among the Company, IBG Holdings and IBG&#160;LLC and the former members of IBG LLC,
      previously filed as exhibit 99.3 to this Schedule 13D on May 17, 2007, as amended by that certain amendment previously filed as exhibit 10.1 to the Form 8-K filed on June 12, 2012 and as further amended by that certain amendment filed as an exhibit
      10.1 to the Form 10-Q on November 9, 2015, IBG Holdings acquired<font style="font-size: 12pt;">&#160;</font>3,271,390 shares of Class A Common Stock from the Company in exchange for<font style="font-size: 12pt;">&#160;</font>3,271,390 membership interests
      owned by IBG Holdings in IBG LLC and certain tax benefit payments as described in the tax receivable agreement between IBG Holdings and the Company and previously filed as exhibit 10.3 to Form 10-Q on June 15, 2007 (the &#8220;<u>TRA</u>&#8221;). Such 3,271,390
      shares of Class A Common Stock represent approximately 3.2% of the outstanding shares of Class A Common Stock and approximately 0.8% of the voting power of the Company. IBG Holdings, immediately after receipt, distributed such shares in-kind to
      certain of its members in partial redemption of their IBG Holdings shares.</div>
    <font style="font-weight: bold; font-size: 10pt;"></font></div>
  <div> <br>
  </div>
  <div><font style="font-size: 10pt; font-weight: bold;">Item 4. &#160;Purpose of Transaction</font>
    <div style="margin-top: 5.05pt; font-size: 10pt;">
      <div><br>
      </div>
      <div>Item 4 is hereby supplemented by adding the following paragraph:</div>
      <div><br>
      </div>
      <div style="text-indent: 36pt;">On August 1, 2022, IBG Holdings acquired 3,271,390 shares of Class A Common Stock in exchange for 3,271,390 membership interests owned by
        IBG Holdings in IBG LLC and certain tax benefit payments as described in the TRA. IBG Holdings, immediately after receipt, distributed such shares in-kind to certain of its members in partial redemption of their IBG Holdings shares. It is intended
        that the shares of Class A Common Stock acquired by the redeeming members will be sold in open market transactions pursuant to Rule 10b5-1 trading plans, more fully described in &#8220;Item 6&#8212;Contracts, Arrangements, Understandings or Relationships With
        Respect to the Securities of the Issuer&#8221; of this report.</div>
      <div><br>
      </div>
      <div style="font-weight: bold;">Item 5. &#160;Interest in Securities of the Issuer</div>
      <div><br>
      </div>
      <div>Paragraph (b) of Item 5 is hereby amended and restated to read as follows:</div>
      <div><br>
      </div>
      <div style="text-indent: 36pt;">(b) Rows (7) through (10) of the cover pages to the Schedule 13D/A set forth (i) the number of shares of Class A Common Stock as to which
        there is sole power to vote or direct the vote or to dispose or direct the disposition and (ii) the number of shares of Class A Common Stock as to which there is shared power to vote or direct the vote or to dispose or direct the disposition.</div>
    </div>
    <div style="margin-top: 5.05pt; font-size: 10pt;"> <br>
    </div>
    <div style="margin-top: 5.05pt; font-size: 10pt;"> <br>
    </div>
    <div id="DSPFPageBreakArea" style="clear: both; margin-top: 11pt; margin-bottom: 11pt;">
      <div style="text-align: center;" id="DSPFPageNumberArea"><font style="font-size: 9pt; font-weight: normal; font-style: normal;" id="DSPFPageNumber">3</font></div>
      <div id="DSPFPageBreak" style="page-break-after: always;">
        <hr noshade="noshade" style="border-width: 0px; clear: both; margin: 4px 0px; width: 100%; height: 2px; color: #000000; background-color: #000000;"></div>
    </div>
    <div style="margin-top: 5.05pt; font-size: 10pt;"> <br>
    </div>
    <div style="margin-top: 5.05pt; font-size: 10pt;">
      <div>Paragraph (c) of Item 5 is hereby supplemented by adding the following paragraph:</div>
      <div><br>
      </div>
      <div style="text-indent: 36pt;">On August 1, 2022, IBG Holdings acquired 3,271,390 shares of Class A Common Stock in exchange for 3,271,390 membership interests owned by
        IBG Holdings in IBG LLC and certain tax benefit payments as described in the TRA. From June 1, 2022 through July 29, 2022, Mr. Peterffy sold 820,000 personally owned shares Class A Common Stock in open market transactions pursuant to a 10b5-1
        trading plan. There were no other transactions in the Class A Common Stock by the Reporting Persons during the last sixty days.</div>
      <div><br>
      </div>
      <div>Paragraph (d) of Item 5 is hereby supplemented by adding the following paragraph:</div>
      <div><br>
      </div>
      <div style="text-indent: 36pt;">Certain current and former employees of the Company and its subsidiaries also elected the redemption of a portion of their membership
        interests in IBG Holdings and therefore received shares of the issuer on August 1, 2022. The redeeming members included the following executive officers and directors of the Company (number of Class A Common Stock received by such member in
        parentheses).</div>
    </div>
    <div>
      <table cellspacing="0" cellpadding="0" style="font-family: 'Times New Roman', Times, serif; font-size: 11pt; margin-top: 5.05pt; width: 100%; text-align: left; color: #000000;" class="DSPFListTable" id="zfa8ec62e9c524a66913099efcf73d26d">

          <tr>
            <td style="width: 54pt; vertical-align: top; align: right;">
              <div style="margin-left: 36pt; margin-top: 5.05pt; font-size: 10pt;">&#8226;</div>
            </td>
            <td style="width: auto; vertical-align: top;">
              <div style="margin-top: 5.05pt; font-size: 10pt;">Thomas Peterffy, Chairman and Founder (1,000,000) &#8211; indirect through his revocable trust</div>
            </td>
          </tr>

      </table>
    </div>
    <div style="margin: 0px 0px 0px; font-size: 10pt;"> <br>
    </div>
    <div style="margin: 0px 0px 0px; font-size: 10pt;">See discussion below under Item 6 for additional information.</div>
    <div style="margin: 0px 0px 0px;"><br>
    </div>
    <div style="margin: 0px 0px 0px; font-size: 10pt; font-weight: bold;">Item 6. &#160;Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer.</div>
    <div style="margin: 0px 0px 0px; font-size: 10pt; font-weight: bold;"> <br>
    </div>
    <div style="font-size: 10pt;">The first paragraph under subheading &#8220;Voting&#8221; of Item 6 is hereby amended and restated to read as follows:</div>
    <div><br>
    </div>
    <div style="text-indent: 36pt; font-size: 10pt;">Pursuant to the Restated Charter, IBG Holdings, as the sole holder of the 100 outstanding shares of the Class B Common Stock, is entitled
      to the number of votes equal to the number of IBG LLC membership interests held by it at any given time. Except as otherwise provided by law and the Restated Charter, the Company&#8217;s shares of Class A Common Stock and Class B Common Stock vote together
      as a single class.&#160;As of the date of this statement, IBG Holdings holds 316,609,102 IBG LLC membership interests, and, as a result, the Class B Common Stock held by IBG Holdings represents approximately 75.5% of the voting power of the Company.&#160;Such
      percentage voting power is anticipated to decrease over time as a result of the exchange and redemption pursuant to the Exchange Agreement.&#160;Mr. Thomas Peterffy, through his revocable trust&#8217;s ownership of the voting membership interests in IBG
      Holdings, beneficially owns all of the outstanding shares of the Class B Common Stock which represent approximately 75.5% of the voting power of the Company.</div>
    <div><br>
    </div>
    <div style="font-size: 10pt;">The following paragraphs are hereby added to Item 6 under the subheading &#8220;Voting&#8221;:</div>
    <div><br>
    </div>
    <div style="text-indent: 36pt; font-size: 10pt;">On August 1, 2022, IBG Holdings acquired 3,271,390 shares of Class A Common Stock for sale for the benefit of certain of its members who
      elected to redeem a portion of their IBG Holdings membership interests. The shares of Class A Common Stock were acquired in exchange for 3,271,390 membership interests owned by IBG Holdings in IBG LLC and represent approximately 0.8% of the voting
      power of the Company. These shares of Class A Common Stock were immediately distributed in-kind to certain of IBG Holdings members that elected to redeem shares. The redeeming members included the following executive officers and directors (number of
      shares of Class A Common Stock in parentheses):</div>
    <div>
      <table cellspacing="0" cellpadding="0" style="font-family: 'Times New Roman', Times, serif; font-size: 11pt; margin-top: 5.05pt; width: 100%; text-align: left; color: #000000;" class="DSPFListTable" id="zbe159f351498410eaae9cb4c6b49a69c">

          <tr>
            <td style="width: 54pt; vertical-align: top; align: right;">
              <div style="margin-left: 36pt; margin-top: 5.05pt; font-size: 10pt;">&#8226;</div>
            </td>
            <td style="width: auto; vertical-align: top;">
              <div style="margin-top: 5.05pt; font-size: 10pt;">Thomas Peterffy, Chairman and Founder (1,000,000) &#8211; indirect through his revocable trust</div>
            </td>
          </tr>

      </table>
    </div>
    <div style="margin: 0px 0px 0px; font-size: 10pt; text-indent: 36pt;"> <br>
    </div>
    <div style="text-indent: 36pt; font-size: 10pt;">IBG Holdings holds approximately 75.5% of the voting power of the Company. Mr. Thomas Peterffy, through his revocable trust&#8217;s ownership of
      the voting membership interests in IBG Holdings, his personal ownership, and shares held through a private foundation established by Mr. Peterffy, holds in the aggregate approximately 76.1% of the total voting power of the Company.</div>
    <div><br>
    </div>
    <div style="font-size: 10pt;">The following paragraph is hereby added to Item 6:</div>
    <div><br>
    </div>
    <div style="font-size: 10pt; font-weight: bold;">Rule 10b5-1 Trading Plans</div>
    <div><br>
    </div>
    <div style="text-indent: 36pt; font-size: 10pt;">On July 29, 2022, Mr. Thomas Peterffy adopted a Rule 10b5-1 trading plan (the &#8220;<font style="font-weight: bold;">TP Plan</font>&#8221;) to sell the 1,000,000 shares of Class A Common Stock received in partial redemption of his interest in IBG Holdings and personally owned shares, as described elsewhere in this form.
      Pursuant to the TP Plan, Mr. Peterffy will sell up to 20,000 shares of the Company&#8217;s Class A Common Stock per trading day at prevailing market prices, subject to the terms of the TP Plan and the limits contained in SEC Rule 144. The transactions will
      occur until the earlier of the date on which all shares are sold, January 28, 2023 or the TP Plan is terminated in accordance with its terms and applicable law. All transactions under the plans will be disclosed publicly in accordance with applicable
      securities laws, rules and regulations through appropriate filings with the SEC, as applicable.</div>
    <div style="text-indent: 36pt;"><font style="font-size: 10pt;"> </font><br>
    </div>
    <div style="font-size: 10pt; font-weight: bold;">Item 7. &#160;Material to be Filed as Exhibits</div>
    <div><br>
    </div>
    <div style="font-size: 10pt;">None</div>
    <div><br>
    </div>
    <div style="font-size: 10pt;"> <br>
    </div>
    <div style="font-size: 10pt;"> <br>
    </div>
    <div id="DSPFPageBreakArea" style="clear: both; margin-top: 11pt; margin-bottom: 11pt;">
      <div style="text-align: center;" id="DSPFPageNumberArea"><font style="font-size: 9pt; font-weight: normal; font-style: normal;" id="DSPFPageNumber">4</font></div>
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    </div>
    <div><br>
    </div>
    <div style="text-align: center; font-size: 10pt;">[signature page to follow]</div>
    <div style="text-align: center; font-size: 10pt;"> <br>
    </div>
    <div style="text-align: center; font-size: 10pt;"> <br>
    </div>
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    </div>
    <div style="clear: both; margin-top: 11pt; margin-bottom: 11pt;" id="DSPFPageBreakArea">
      <div style="page-break-after:always;" id="DSPFPageBreak">
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    <div style="text-align: center; font-size: 10pt; font-weight: bold;">SIGNATURES</div>
    <div style="text-indent: 36pt; margin-top: 10pt; font-size: 10pt;">After reasonable inquiry and to the best of its knowledge and belief, the undersigned certify that the information set forth in this Statement is true, complete and correct.</div>
    <div>&#160;
      <div style="margin-left: 0pt; display: block; margin-right: 0pt; text-indent: 0pt;">
        <div style="TEXT-ALIGN: center">
          <table cellspacing="0" cellpadding="0" bgcolor="white" style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; WIDTH: 100%">

              <tr>
                <td style="width: 25%;">&#160;Dated: August 4, 2022</td>
                <td style="width: 25%;">&#160;IBG HOLDINGS LLC</td>
                <td style="WIDTH: 25%">&#160;</td>
                <td style="width: 25%;">&#160;</td>
              </tr>
              <tr>
                <td style="padding-bottom: 2px; width: 25%;">&#160;</td>
                <td style="padding-bottom: 2px; width: 25%;">&#160;By:</td>
                <td style="border-bottom: black 2px solid; width: 25%;">&#160;/s/ Thomas Peterffy</td>
                <td style="padding-bottom: 2px; width: 25%;">&#160;</td>
              </tr>
              <tr>
                <td style="width: 25%;">&#160;</td>
                <td style="width: 25%;">&#160;</td>
                <td style="width: 25%;">&#160;Name: Thomas Peterffy</td>
                <td style="width: 25%;">&#160;</td>
              </tr>
              <tr>
                <td style="width: 25%;">&#160;</td>
                <td style="width: 25%;">&#160;</td>
                <td style="width: 25%;">&#160;Title: Managing Member</td>
                <td style="width: 25%;">&#160;</td>
              </tr>

          </table>
        </div>
        <div>&#160;</div>
      </div>
      <div style="font-size: 10pt; font-family: Times New Roman; margin-left: 0pt; display: block; margin-right: 0pt; text-indent: 0pt;">&#160;</div>
      <div style="margin-left: 0pt; display: block; margin-right: 0pt; text-indent: 0pt;">&#160;</div>
      <div style="TEXT-ALIGN: center">
        <table cellspacing="0" cellpadding="0" bgcolor="white" style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; WIDTH: 100%">

            <tr>
              <td style="width: 25%;">&#160; Dated: August 4, 2022</td>
              <td style="width: 25%;">&#160;</td>
              <td style="width: 25%;">&#160;</td>
              <td style="width: 25%;">&#160;</td>
            </tr>
            <tr>
              <td style="padding-bottom: 2px; width: 25%;">&#160;</td>
              <td style="PADDING-BOTTOM: 2px; WIDTH: 25%">&#160;</td>
              <td style="border-bottom: black 2px solid; width: 25%;">&#160;/s/ Thomas Peterffy</td>
              <td style="padding-bottom: 2px; width: 25%;">&#160;</td>
            </tr>
            <tr>
              <td style="width: 25%;">&#160;</td>
              <td style="width: 25%;">&#160;</td>
              <td style="width: 25%;">&#160;Thomas Peterffy</td>
              <td style="width: 25%;">&#160;</td>
            </tr>

        </table>
      </div>
      <div>&#160;</div>
      <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br>
        &#160;</div>
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