AQR CAPITAL MANAGEMENT LLC - 31 Dec 2025 SCHEDULE 13G Report for MARKETAXESS HOLDINGS INC Common Stock, $0.003 par value (MKTX)

Filing Manager
AQR CAPITAL MANAGEMENT LLC
Reporting Manager
AQR Capital Management, LLC
Security
MARKETAXESS HOLDINGS INC Common Stock, $0.003 par value
Symbol
MKTX
Shares outstanding
37,181,642 shares
Disclosed Ownership
2,558,097 shares
Ownership
6.9%
Form type
SCHEDULE 13G
Filing time
13 Feb 2026, 09:17:06 UTC
Date of event
31 Dec 2025
SEC
View on sec.gov

Reporting Managers (2)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
AQR Capital Management, LLC 6.9% 2,558,097 0 2,558,097 Henry Parkin Authorized Signatory
AQR Capital Management Holdings, LLC 6.9% 2,558,097 0 2,558,097 Henry Parkin Authorized Signatory