MarketAxess Holdings Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqGS:MKTX Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
12 Sep 25	SellUS$276,868	Kevin McPherson	Individual	1,494	US$185.32
08 Sep 25	SellUS$298,544	Stephen Paul Casper	Individual	1,600	US$186.59
11 Jun 25	SellUS$449,540	Kevin McPherson	Individual	2,000	US$224.77
14 May 25	SellUS$250,213	Christophe Pierre Roupie	Individual	1,189	US$210.44
09 Dec 24	SellUS$72,171	Scott Pintoff	Individual	300	US$240.57
14 Nov 24	SellUS$13,503,229	Richard McVey	Individual	50,000	US$273.78

Insider Trading Volume

Insider Buying: MKTX insiders have only sold shares in the past 3 months.

Ownership Breakdown

What is the ownership structure of MKTX?
Owner Type	Number of Shares	Ownership Percentage
Private Companies	4,369	0.0115%
State or Government	34,821	0.0915%
Individual Insiders	704,395	1.85%
Institutions	37,322,706	98%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 71.34% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
11.7%	The Vanguard Group, Inc.	4,359,372	US$743.3m	-1.08%	0.01%
7.09%	BlackRock, Inc.	2,649,862	US$451.8m	1.71%	0.01%
6.4%	T. Rowe Price Group, Inc.	2,391,466	US$407.7m	0.38%	0.03%
6.24%	FMR LLC	2,331,802	US$397.6m	6.49%	0.02%
4.9%	Van Eck Associates Corporation	1,829,597	US$311.9m	-8.79%	0.23%
4.1%	State Street Global Advisors, Inc.	1,532,696	US$261.3m	4.59%	0.01%
4.01%	GuardCap Asset Management Limited	1,498,358	US$255.5m	-1.62%	4.95%
3.58%	PRIMECAP Management Company	1,339,292	US$228.3m	-1.63%	0.15%
3.05%	Geode Capital Management, LLC	1,141,198	US$194.6m	0.57%	0.01%
2.03%	Invesco Capital Management LLC	756,666	US$129.0m	-6.15%	0.04%
1.97%	AQR Capital Management, LLC	734,292	US$125.2m	477%	0.1%
1.76%	Findlay Park Partners LLP	656,300	US$111.9m	-3.49%	1.13%
1.37%	Norges Bank Investment Management	513,089	US$87.5m	-2.62%	0.01%
1.37%	Dimensional Fund Advisors LP	511,422	US$87.2m	8.64%	0.01%
1.3%	American Century Investment Management Inc	487,197	US$83.1m	119%	0.03%
1.3%	Richard McVey	486,463	US$82.9m	3.63%	no data
1.16%	Millennium Management LLC	432,182	US$73.7m	-30.2%	0.05%
1.12%	North Reef Capital Management LP	420,000	US$71.6m	16.7%	3.03%
1.11%	Burgundy Asset Management Ltd.	414,370	US$70.7m	2.95%	0.54%
1.05%	JP Morgan Asset Management	390,588	US$66.6m	-1.46%	0.01%
1.03%	UBS Asset Management AG	386,702	US$65.9m	-4.26%	no data
0.99%	BNY Asset Management	370,304	US$63.1m	-3.33%	0.01%
0.98%	Charles Schwab Investment Management, Inc.	366,467	US$62.5m	-1.61%	0.01%
0.94%	Citadel Advisors LLC	351,166	US$59.9m	-26%	0.05%
0.82%	Northern Trust Global Investments	305,564	US$52.1m	0.4%	0.01%

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2025/10/05 01:37
End of Day Share Price	2025/10/03 00:00
Earnings	2025/06/30
Annual Earnings	2024/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

MarketAxess Holdings Inc. is covered by 27 analysts. 13 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
null null	Argus Research Company
Benjamin Budish	Barclays
Jeremy Campbell	Barclays