<SEC-DOCUMENT>0001381197-25-000116.txt : 20250828
<SEC-HEADER>0001381197-25-000116.hdr.sgml : 20250828
<ACCEPTANCE-DATETIME>20250828160117
ACCESSION NUMBER:		0001381197-25-000116
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20250828
DATE AS OF CHANGE:		20250828

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Interactive Brokers Group, Inc.
		CENTRAL INDEX KEY:			0001381197
		STANDARD INDUSTRIAL CLASSIFICATION:	SECURITY BROKERS, DEALERS & FLOTATION COMPANIES [6211]
		ORGANIZATION NAME:           	09 Crypto Assets
		EIN:				300390693
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	001-33440
		FILM NUMBER:		251273206

	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

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Nemser Earl H
		CENTRAL INDEX KEY:			0001391400
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		STREET 1:		ONE PICKWICK PLAZA
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830
</SEC-HEADER>
<DOCUMENT>
<TYPE>144
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
<headerData>
<submissionType>144</submissionType>
<filerInfo>
<filer>
<filerCredentials>
<cik>0001391400</cik>
<ccc>XXXXXXXX</ccc>
</filerCredentials>
</filer>
<liveTestFlag>LIVE</liveTestFlag>



</filerInfo>
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<formData>
<issuerInfo>
<issuerCik>0001381197</issuerCik>
<issuerName>Interactive Brokers Group, Inc.</issuerName>
<secFileNumber>001-33440</secFileNumber>
<issuerAddress>
<com:street1>One Pickwick Plaza</com:street1>
<com:city>Greenwich</com:city>
<com:stateOrCountry>CT</com:stateOrCountry>
<com:zipCode>06830</com:zipCode>
</issuerAddress>
<issuerContactPhone>203-618-5800</issuerContactPhone>
<nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Nemser Earl H</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
<relationshipsToIssuer>
<relationshipToIssuer>Officer</relationshipToIssuer>
</relationshipsToIssuer>
</issuerInfo>
<securitiesInformation>
<securitiesClassTitle>Class A common stock</securitiesClassTitle>
<brokerOrMarketmakerDetails>
<name>Interactive Brokers LLC</name>
<address>
<com:street1>One Pickwick Plaza</com:street1>
<com:city>Greenwich</com:city>
<com:stateOrCountry>CT</com:stateOrCountry>
<com:zipCode>06830</com:zipCode>
</address>
</brokerOrMarketmakerDetails>
<noOfUnitsSold>400000</noOfUnitsSold>
<aggregateMarketValue>24716000</aggregateMarketValue>
<noOfUnitsOutstanding>445246976</noOfUnitsOutstanding>
<approxSaleDate>07/26/2025</approxSaleDate>
<securitiesExchangeName>Nasdaq</securitiesExchangeName>
</securitiesInformation>
<securitiesToBeSold>
<securitiesClassTitle>Class A common stock</securitiesClassTitle>
<acquiredDate>07/25/2024</acquiredDate>
<natureOfAcquisitionTransaction>Redemption Transaction</natureOfAcquisitionTransaction>
<nameOfPersonfromWhomAcquired>IBG Holdings LLC</nameOfPersonfromWhomAcquired>
<isGiftTransaction>N</isGiftTransaction>
<amountOfSecuritiesAcquired>400000</amountOfSecuritiesAcquired>
<paymentDate>07/25/2024</paymentDate>
<natureOfPayment>In-Kind Redemption</natureOfPayment>
</securitiesToBeSold>
<nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
<securitiesSoldInPast3Months>
<sellerDetails>
<name>Earl H Nemser</name>
<address>
<com:street1>1 Pickwik Plaza</com:street1>
<com:city>Greenwich</com:city>
<com:stateOrCountry>CT</com:stateOrCountry>
<com:zipCode>06830</com:zipCode>
</address>
</sellerDetails>
<securitiesClassTitle>Class A common stock</securitiesClassTitle>
<saleDate>07/28/2025</saleDate>
<amountOfSecuritiesSold>400000</amountOfSecuritiesSold>
<grossProceeds>26459403</grossProceeds>
</securitiesSoldInPast3Months>
<remarks>The shares were issued in a redemption transaction as more fully described in the prospectus supplement on Form 424b5 (File No. 333-273451) filed with Securities Exchange Commission ("SEC") on July 25, 2024 ("Prospectus Supplement") by Interactive Brokers Group, Inc. (the "Issuer"). The transaction was an in-kind redemption of shares of IBG Holdings LLC for shares of the Issuer as part of the Annual Member Redemption as more fully described in the Issuer's Prospectus Supplement. The sale related to the shares received in the above redemption tranactions were sold over time, from July 28, 2025 through August 15, 2025 and were sold pursuant to a 10b5-1 trading plan in multiple transactions, which were reported on Form 4.</remarks>
<noticeSignature>
<noticeDate>08/28/2025</noticeDate>
<planAdoptionDates>
<planAdoptionDate>08/20/2024</planAdoptionDate>
</planAdoptionDates>
<signature>/s/ Earl H Nemser</signature>
</noticeSignature>
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</SEC-DOCUMENT>
