T. Rowe Price Investment Management, Inc. - 30 Sep 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: 37,045,784 shares
Disclosed Ownership: 1,370,694 shares
Ownership: 3.7%
Form type: SCHEDULE 13G/A
Filing time: 14 Nov 2025, 12:18:24 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
T. Rowe Price Investment Management, Inc.	3.7%	1,370,694	1,367,413	0	Ellen York	Vice President