VANGUARD GROUP INC - 29 Aug 2025 SCHEDULE 13G/A Report for Interactive Brokers Group Inc Common Stock (IBKR)

Filing Manager: VANGUARD GROUP INC
Reporting Manager: The Vanguard Group
Security: Interactive Brokers Group Inc Common Stock
Symbol: IBKR
Shares outstanding: 445,249,877 shares
Disclosed Ownership: 50,758,486 shares
Ownership: 11%
Form type: SCHEDULE 13G/A
Filing time: 08 Sep 2025, 11:06:02 UTC
Date of event: 29 Aug 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
The Vanguard Group	11%	50,758,486	0	2,422,392	Ashley Grim	Head of Global Fund Administration