<SEC-DOCUMENT>0001381197-20-000060-index.html : 20201030 <SEC-HEADER>0001381197-20-000060.hdr.sgml : 20201030 <ACCEPTANCE-DATETIME>20201030162354 ACCESSION NUMBER: 0001381197-20-000060 CONFORMED SUBMISSION TYPE: 424B5 PUBLIC DOCUMENT COUNT: 4 FILED AS OF DATE: 20201030 DATE AS OF CHANGE: 20201030 FILER: 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: 424B5 SEC ACT: 1933 Act SEC FILE NUMBER: 333-240121 FILM NUMBER: 201277661 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>424B5 <SEQUENCE>1 <FILENAME>ibkr-424b5_20201030.htm <DESCRIPTION>PROSPECTUS SUPPLEMENT <TEXT> Document 1 - file: ibkr-424b5_20201030.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>2 <FILENAME>diagram_2.jpg <TEXT> Document 2 - file: diagram_2.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>image0.jpg <TEXT> Document 3 - file: image0.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>image3.jpg <TEXT> Document 4 - file: image3.jpg
</DOCUMENT> </SEC-DOCUMENT>