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

Filing Manager
BlackRock, Inc.
Reporting Manager
BlackRock, Inc.
Symbol
CBOE
Shares outstanding
105M shares
Disclosed Ownership
9.41M shares
Ownership
9%
Form type
SCHEDULE 13G/A
Date filed
10/17/2025, 06:06 PM
Date of event
Sep 30, 2025

Reporting Managers (1)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
BlackRock, Inc. 9% 9.41M 8.75M 0 Spencer Fleming Managing Director