MarketAxess Ownership | Who Owns MarketAxess?

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MarketAxess Ownership Summary

MarketAxess is owned by 98.17% institutional investors, 2.23% insiders. Vanguard group is the largest institutional shareholder, holding 11.82% of MKTX shares. VanEck Morningstar Wide Moat is the top mutual fund, with 4.26% of its assets in MarketAxess shares.

MKTX Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	MarketAxess	98.17%	2.23%	-0.39%
Sector	Financial Services Stocks	71.97%	15.45%	12.58%
Industry	Capital Markets Stocks	37.92%	18.86%	43.22%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Vanguard group	4.43M	11.82%	$1.00B
Blackrock funding, inc. /de	3.16M	8.43%	$715.16M
Blackrock	2.95M	7.82%	$591.45M
Fmr	2.30M	6.13%	$520.01M
T. rowe price investment management	2.30M	6.12%	$519.53M
Van eck associates	2.00M	5.33%	$452.25M
Guardcap asset management	1.76M	4.70%	$398.56M
State street	1.64M	4.36%	$329.59M
Primecap management co/ca/	1.37M	3.65%	$309.47M
Geode capital management	1.11M	2.97%	$251.11M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Source financial advisors	115.36K	7.11%	$23.13M
Guardcap asset management	1.76M	6.44%	$398.56M
Wilson asset management () pty	47.80K	2.80%	$10.80M
Jackson square partners	117.41K	2.76%	$26.54M
North reef capital management lp	271.32K	2.75%	$61.33M
Taika capital, lp	11.89K	2.05%	$2.69M
Ashford capital management	66.89K	1.81%	$13.41M
Alamar capital management	12.91K	1.58%	$2.59M
Kodai capital management lp	137.09K	1.27%	$30.99M
Lrt capital management	5.79K	1.09%	$1.16M

Top Buyers

Holder	Shares	% Assets	Change
Norges bank	526.87K	0.02%	526.87K
Fmr	2.30M	0.03%	341.49K
Congress asset management co /ma	314.56K	0.48%	314.56K
Blackrock funding, inc. /de	3.16M	0.01%	259.98K
Van eck associates	2.00M	0.58%	236.50K

Top Sellers

Holder	Shares	% Assets	Change
Ownership capital b.v.	-	-	-277.35K
Blackrock	2.95M	0.01%	-274.50K
Artisan partners limited partnership	-	-	-246.30K
Guardcap asset management	1.76M	6.44%	-238.62K
Macquarie group	720.29K	0.20%	-208.29K

New Positions

Holder	Shares	% Assets	Change	Value
Norges bank	526.87K	0.02%	526.87K	$119.09M
Congress asset management co /ma	314.56K	0.48%	314.56K	$71.10M
Raymond james financial	203.85K	0.02%	203.85K	$46.08M
Qube research	54.64K	0.02%	54.64K	$12.35M
Congress wealth management llc / de /	29.96K	0.09%	29.96K	$6.77M

Sold Out

Holder	Change
Colonial trust advisors	-1.00
Claris advisors, llc / mo /	-1.00
Nelson, van denburg & campbell wealth management group	-1.00
Spire wealth management	-2.00
Bell investment advisors	-2.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Mar 31, 2025	521	-	36,702,491	-2.53%	98	0.97%	284	-2.07%	174	10.13%
Dec 31, 2024	480	-6.43%	34,601,729	-4.06%	92	1.00%	266	9.46%	145	-24.87%
Sep 30, 2024	508	7.63%	36,008,284	-3.55%	95	0.98%	242	5.22%	190	13.77%
Jun 30, 2024	470	0.21%	37,333,304	1.88%	98	1.05%	229	5.05%	166	-6.21%
Mar 31, 2024	469	-8.58%	36,643,873	-1.56%	97	1.00%	218	-20.44%	177	3.51%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
VanEck Morningstar Wide Moat	1.60M	4.26%	-69.00
VanEck Morningstar Wide Moat ETF	1.48M	3.95%	-1.05K
Vanguard Total Stock Mkt Idx Inv	1.15M	3.09%	13.50K
Vanguard US Total Market Shares ETF	1.14M	3.02%	-58.38K
Vanguard Institutional 500 Index Trust	1.06M	2.86%	16.71K
T. Rowe Price US Mid-Cap Growth Equity	1.05M	2.78%	-1.70K
T. Rowe Price Mid-Cap Growth	1.05M	2.78%	-1.30K
Vanguard Small Cap Index	899.00K	2.42%	5.35K
Findlay Park American I USD Dist	680.00K	1.81%	9.10K
Invesco S&P 500® Equal Weight ETF	664.71K	1.77%	-2.24K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Jun 11, 2025	McPherson Kevin M	Chief Revenue Officer	Sell	$449.54K
May 14, 2025	Roupie Christophe Pierre Daniel	Head of EMEA and APAC	Sell	$250.21K
Dec 09, 2024	Pintoff Scott	General Counsel and Secretary	Sell	$72.17K
Nov 12, 2024	McVey Richard M	Executive Chairman	Sell	$882.38K
Nov 12, 2024	McVey Richard M	Executive Chairman	Sell	$2.32M

Insider Transactions Trends

Date	Buy	Sell
2025 Q2	-	2
2025 Q1	-	-
2024 Q4	-	14
2024 Q3	-	4
2024 Q2	-	1

MKTX Ownership FAQ

Who Owns MarketAxess?

MarketAxess shareholders are primarily institutional investors at 98.17%, followed by 2.23% insiders and -0.40% retail investors. The average institutional ownership in MarketAxess's industry, Capital Markets Stocks, is 37.92%, which MarketAxess exceeds.

Who owns the most shares of MarketAxess?

MarketAxess’s largest shareholders are Vanguard group (4.43M shares, 11.82%), Blackrock funding, inc. /de (3.16M shares, 8.43%), and Blackrock (2.95M shares, 7.82%). Together, they hold 28.06% of MarketAxess’s total shares outstanding.

Does Blackrock own MarketAxess?

Yes, BlackRock owns 7.82% of MarketAxess, totaling 2.95M shares as of Jun 2024. This represents 0.01% of BlackRock's total assets, with a market value of 591.45M$. In the last quarter, BlackRock decreased its holdings by -274K shares, a -8.51% change.

Who is MarketAxess’s biggest shareholder by percentage of total assets invested?

Source financial advisors is MarketAxess’s biggest shareholder by percentage of total assets invested, with 7.11% of its assets in 115.36K MarketAxess shares, valued at 23.13M$.

Who is the top mutual fund holder of MarketAxess shares?

VanEck Morningstar Wide Moat is the top mutual fund holder of MarketAxess shares, with 4.26% of its total shares outstanding invested in 1.6M MarketAxess shares.

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