<SEC-DOCUMENT>0000902664-19-002034-index.html : 20190425
<SEC-HEADER>0000902664-19-002034.hdr.sgml : 20190425
<ACCEPTANCE-DATETIME>20190425145444
ACCESSION NUMBER:		0000902664-19-002034
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20190418
FILED AS OF DATE:		20190425
DATE AS OF CHANGE:		20190425

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Uhde Philip
		CENTRAL INDEX KEY:			0001772442

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33440
		FILM NUMBER:		19767029

	MAIL ADDRESS:	
		STREET 1:		63 CROSBY STREET, 4TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10012

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Echinus Advisors, LLC
		CENTRAL INDEX KEY:			0001602970
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33440
		FILM NUMBER:		19767030

	BUSINESS ADDRESS:	
		STREET 1:		63 CROSBY STREET
		STREET 2:		4TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10012
		BUSINESS PHONE:		6467597903

	MAIL ADDRESS:	
		STREET 1:		63 CROSBY STREET
		STREET 2:		4TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10012

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>ownership.xml
<TEXT>
Document 1 - file: ownership.html

Document 1 - RAW XML: ownership.xml

</DOCUMENT>
</SEC-DOCUMENT>