T. Rowe Price Investment Management, Inc. - Sep 30, 2025 SCHEDULE 13G/A Report for MARKETAXESS HOLDINGS INC COMMON STOCK (MKTX)

Filing Manager: T. Rowe Price Investment Management, Inc.
Reporting Manager: T. Rowe Price Investment Management, Inc.
Security: MARKETAXESS HOLDINGS INC COMMON STOCK
Symbol: MKTX
Shares outstanding: 37M shares
Disclosed Ownership: 1.37M shares
Ownership: 3.7%
Form type: SCHEDULE 13G/A
Date filed: 11/14/2025, 12:18 PM
Date of event: Sep 30, 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
T. Rowe Price Investment Management, Inc.	3.7%	1.37M	1.37M	0	Ellen York	Vice President