<SEC-DOCUMENT>0001381197-25-000146.txt : 20251023
<SEC-HEADER>0001381197-25-000146.hdr.sgml : 20251023
<ACCEPTANCE-DATETIME>20251023191517
ACCESSION NUMBER:		0001381197-25-000146
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20251023
DATE AS OF CHANGE:		20251023

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:		251414025

	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:			Harris Lawrence E
		CENTRAL INDEX KEY:			0001406586
		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>0001406586</cik>
<ccc>XXXXXXXX</ccc>
</filerCredentials>
</filer>
<liveTestFlag>LIVE</liveTestFlag>



</filerInfo>
</headerData>
<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>Harris Lawrence E</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
<relationshipsToIssuer>
<relationshipToIssuer>Director</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>75000</noOfUnitsSold>
<aggregateMarketValue>4857750</aggregateMarketValue>
<noOfUnitsOutstanding>445246976</noOfUnitsOutstanding>
<approxSaleDate>10/23/2025</approxSaleDate>
<securitiesExchangeName>Nasdaq</securitiesExchangeName>
</securitiesInformation>
<securitiesToBeSold>
<securitiesClassTitle>Class A common stock</securitiesClassTitle>
<acquiredDate>07/30/2007</acquiredDate>
<natureOfAcquisitionTransaction>Purchase</natureOfAcquisitionTransaction>
<nameOfPersonfromWhomAcquired>Open Market Transaction</nameOfPersonfromWhomAcquired>
<isGiftTransaction>N</isGiftTransaction>
<amountOfSecuritiesAcquired>20000</amountOfSecuritiesAcquired>
<paymentDate>08/02/2007</paymentDate>
<natureOfPayment>Cash</natureOfPayment>
</securitiesToBeSold>
<securitiesToBeSold>
<securitiesClassTitle>Class A common stock</securitiesClassTitle>
<acquiredDate>08/04/2008</acquiredDate>
<natureOfAcquisitionTransaction>Purchase</natureOfAcquisitionTransaction>
<nameOfPersonfromWhomAcquired>Open Market Transaction</nameOfPersonfromWhomAcquired>
<isGiftTransaction>N</isGiftTransaction>
<amountOfSecuritiesAcquired>20000</amountOfSecuritiesAcquired>
<paymentDate>08/09/2008</paymentDate>
<natureOfPayment>Cash</natureOfPayment>
</securitiesToBeSold>
<securitiesToBeSold>
<securitiesClassTitle>Class A common stock</securitiesClassTitle>
<acquiredDate>10/27/2008</acquiredDate>
<natureOfAcquisitionTransaction>Purchase</natureOfAcquisitionTransaction>
<nameOfPersonfromWhomAcquired>Open Market Transaction</nameOfPersonfromWhomAcquired>
<isGiftTransaction>N</isGiftTransaction>
<amountOfSecuritiesAcquired>20000</amountOfSecuritiesAcquired>
<paymentDate>10/30/2008</paymentDate>
<natureOfPayment>Cash</natureOfPayment>
</securitiesToBeSold>
<securitiesToBeSold>
<securitiesClassTitle>Class A common stock</securitiesClassTitle>
<acquiredDate>01/30/2009</acquiredDate>
<natureOfAcquisitionTransaction>Purchase</natureOfAcquisitionTransaction>
<nameOfPersonfromWhomAcquired>Open Market Transaction</nameOfPersonfromWhomAcquired>
<isGiftTransaction>N</isGiftTransaction>
<amountOfSecuritiesAcquired>20000</amountOfSecuritiesAcquired>
<paymentDate>02/04/2009</paymentDate>
<natureOfPayment>Cash</natureOfPayment>
</securitiesToBeSold>
<nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
<remarks>The amount of securities acquired have been adjusted to reflect for the four-for-one stock split effected by the Issuer on June 17, 2025.</remarks>
<noticeSignature>
<noticeDate>10/23/2025</noticeDate>
<signature>/s/ Lawrence E. Harris</signature>
</noticeSignature>
</formData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
