<SEC-DOCUMENT>0001140361-18-026879-index.html : 20180601
<SEC-HEADER>0001140361-18-026879.hdr.sgml : 20180601
<ACCEPTANCE-DATETIME>20180601174734
ACCESSION NUMBER:		0001140361-18-026879
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20180419
FILED AS OF DATE:		20180601
DATE AS OF CHANGE:		20180601

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Winston Kenneth James
		CENTRAL INDEX KEY:			0001742453

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33440
		FILM NUMBER:		18876216

	MAIL ADDRESS:	
		STREET 1:		870 S SAN RAFAEL AVE
		CITY:			PASADENA
		STATE:			CA
		ZIP:			91105

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Interactive Brokers Group, Inc.
		CENTRAL INDEX KEY:			0001381197
		STANDARD INDUSTRIAL CLASSIFICATION:	SECURITY BROKERS, DEALERS & FLOTATION COMPANIES [6211]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 3
<TEXT>
Document 1 - file: doc1.html

Document 1 - RAW XML: doc1.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24.1
<SEQUENCE>2
<FILENAME>pao_kjw.htm
<DESCRIPTION>EXHIBIT 24.1
<TEXT>
Document 2 - file: pao_kjw.htm

</DOCUMENT>
</SEC-DOCUMENT>