MKTX

MARKETAXESS HOLDINGS INC

Security Brokers, Dealers & Flotation CompaniesNasdaqLarge accelerated filer

Total Trades

Buys

Sells

Largest Trade

N/A

Insiders

Institutional Funds

405

Inst. Value

$1M+

Activist Filings

Insider Trades

Insider	Title	Type	Value	Shares	Price	Date
Pintoff Scott	General Counsel an…	SELL	$15K–$50K	100	$171.91	Feb 10, 2026
Pintoff Scott	General Counsel an…	SELL	$15K–$50K	100	$168.63	Jan 12, 2026
Pintoff Scott	General Counsel an…	SELL	$15K–$50K	100	$177.85	Dec 12, 2025
McPherson Kevin M	Chief Revenue Offi…	SELL	$100K–$500K	1K	$185.32	Sep 15, 2025
Casper Stephen P	Director	SELL	$100K–$500K	2K	$186.59	Sep 9, 2025
McPherson Kevin M	Chief Revenue Offi…	SELL	$100K–$500K	2K	$224.77	Jun 11, 2025
Roupie Christophe Pierre Daniel	Head of EMEA and A…	SELL	$100K–$500K	1K	$210.44	May 15, 2025
McVey Richard M	Executive Chairman	SELL	$1M+	50K	$270.06	Nov 14, 2024
Casper Stephen P	Director	SELL	$50K–$100K	500	$199.48	Jun 11, 2024
McPherson Kevin M	Chief Revenue Offi…	GRANT	N/A	4K	—	Feb 16, 2024
McPherson Kevin M	Chief Revenue Offi…	SELL	$100K–$500K	2K	$221.26	Feb 16, 2024
McPherson Kevin M	Chief Revenue Offi…	SELL	$100K–$500K	1K	$230.95	Nov 28, 2023
CONCANNON CHRISTOPHER R	CEO	BUY	$1M+	4K	$238.42	Aug 15, 2023
McPherson Kevin M	Global Head of Sales	SELL	$100K–$500K	1K	$277.25	Jun 15, 2023
McPherson Kevin M	Global Head of Sales	SELL	$500K+	2K	$274.00	Jun 15, 2023
Pintoff Scott	General Counsel an…	SELL	$50K–$100K	250	$358.80	Mar 10, 2023
Roupie Christophe Pierre Daniel	Head of EMEA and A…	SELL	$100K–$500K	604	$366.58	Mar 7, 2023
Begleiter Steven L	Director	SELL	$100K–$500K	1K	$348.73	Feb 8, 2023
Roupie Christophe Pierre Daniel	Head of EMEA and A…	SELL	$100K–$500K	2K	$285.03	Jun 9, 2022
Prager Richard Leon	Director	BUY	$100K–$500K	1K	$271.25	Apr 25, 2022
Themelis Nicholas	Chief Information …	SELL	$500K+	2K	$364.89	Mar 9, 2022

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Institutional Ownership

13F filings as of Dec 31, 2025 · 405 funds holding

Fund	Shares	Value	Type
PRIMECAP MANAGEMENT CO/CA/	3.2M	$1M+	SH
STATE STREET CORP	1.2M	$1M+	SH
GUARDCAP ASSET MANAGEMENT Ltd	1.2M	$1M+	SH
GEODE CAPITAL MANAGEMENT, LLC	737K	$1M+	SH
Neuberger Berman Group LLC	543K	$1M+	SH
Findlay Park Partners LLP	536K	$1M+	SH
NORGES BANK	504K	$1M+	SH
DIMENSIONAL FUND ADVISORS LP	483K	$1M+	SH
BNP PARIBAS FINANCIAL MARKETS	376K	$1M+	SH
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	318K	$1M+	SH
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	289K	$1M+	SH
HRT FINANCIAL LP	214K	$1M+	SH
Bank of New York Mellon Corp	210K	$1M+	SH
BNP Paribas Asset Management Holding S.A.	190K	$1M+	SH
IEQ CAPITAL, LLC	189K	$1M+	SH
RENAISSANCE TECHNOLOGIES LLC	176K	$1M+	SH
Connor, Clark & Lunn Investment Management Ltd.	171K	$1M+	SH
Walleye Capital LLC	169K	$1M+	SH
GOLDMAN SACHS GROUP INC	140K	$1M+	SH
PUBLIC SECTOR PENSION INVESTMENT BOARD	129K	$1M+	SH