SC 13D/A

INTERACTIVE BROKERS GROUP INC COM CL A

Security class unavailable · CUSIP: 45841N107

Event date: 2015-07-24

Legacy cover-page extraction is best effort and may not include every reporting person.

Filing-level shares

2,771,778

Percent of class

85.0000%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.