BlackRock, Inc. - 30 Sep 2025 SCHEDULE 13G/A Report for MarketAxess Holdings Inc Common Stock (MKTX)

Filing Manager
BlackRock, Inc.
Reporting Manager
BlackRock, Inc.
Symbol
MKTX
Shares outstanding
37,440,786 shares
Disclosed Ownership
1,572,513 shares
Ownership
4.2%
Form type
SCHEDULE 13G/A
Filing time
17 Oct 2025, 18:13:44 UTC
Date of event
30 Sep 2025
Previous filing
17 Apr 2025

Reporting Managers (1)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
BlackRock, Inc. 4.2% 1,572,513 1,484,794 0 Spencer Fleming Managing Director