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SCHEDULE 13G/A
SCHEDULE 13G/A0002012383-25-002591·BlackRock, Inc.
Schedule 13G ownership disclosure
INTERACTIVE BROKERS GROUP INC COM CL A
Class A Stock · CUSIP: 45841N107
Event date: 2025-09-30
- Filing-level shares
- 27,619,620
- Percent of class
- 6.2%
- BlackRock, Inc.
Shares: 27,619,620 · Class: 6.2%
Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.
Source: SEC EDGAR filingFiling metadata
- Accession number
- 0002012383-25-002591
- Form type
- SCHEDULE 13G/A
- Filer
- BlackRock, Inc.
- CIK
- CIK 2012383
- Filed
- Oct 17, 2025
- Reporting period
- Sep 30, 2025
- Description
- Schedule 13G beneficial ownership