BlackRock, Inc. - 30 Sep 2025 SCHEDULE 13G/A Report for CBOE GLOBAL MARKETS INC. Common Stock (CBOE)

Filing Manager: BlackRock, Inc.
Reporting Manager: BlackRock, Inc.
Security: CBOE GLOBAL MARKETS INC. Common Stock
Symbol: CBOE
Shares outstanding: 104,608,167 shares
Disclosed Ownership: 9,414,735 shares
Ownership: 9%
Form type: SCHEDULE 13G/A
Filing time: 17 Oct 2025, 18:06:00 UTC
Date of event: 30 Sep 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
BlackRock, Inc.	9%	9,414,735	8,747,562	0	Spencer Fleming	Managing Director