Schedule 13G ownership disclosure
INTERACTIVE BROKERS GROUP INC COM CL A
Common Stock · CUSIP: 45841N107
Event date: 2025-08-29
- Filing-level shares
- 50,758,486
- Percent of class
- 11.40%
- The Vanguard Group
Shares: 50,758,486 · Class: 11.40%
Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.
Source: SEC EDGAR filingFiling metadata
- Accession number
- 0000932471-25-001156
- Form type
- SCHEDULE 13G/A
- Filer
- Interactive Brokers Group, Inc.
- CIK
- CIK 1381197
- Filed
- Sep 08, 2025
- Reporting period
- Aug 29, 2025
- Description
- Schedule 13G beneficial ownership