MarketAxess Ownership | Who Owns MarketAxess?

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MarketAxess Ownership Summary

MarketAxess is owned by 99.30% institutional investors, 2.25% insiders. Vanguard group is the largest institutional shareholder, holding 11.82% of MKTX shares. VanEck Morningstar Wide Moat is the top mutual fund, with 3.74% of its assets in MarketAxess shares.

MKTX Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	MarketAxess	99.30%	2.25%	-1.55%
Sector	Financial Services Stocks	51.64%	15.54%	32.82%
Industry	Capital Markets Stocks	45.78%	17.11%	37.11%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Vanguard group	4.43M	11.82%	$1.00B
Blackrock	2.95M	7.82%	$591.45M
Blackrock funding, inc. /de	2.65M	7.12%	$591.83M
T. rowe price investment management	2.33M	6.27%	$520.83M
Fmr	2.30M	6.13%	$520.01M
Van eck associates	1.83M	4.92%	$408.62M
State street	1.64M	4.36%	$329.59M
Guardcap asset management	1.50M	4.03%	$334.64M
Primecap management co/ca/	1.34M	3.60%	$299.12M
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	1.50M	6.57%	$334.64M
Goodman financial	73.43K	3.30%	$16.40M
Wilson asset management () pty	47.80K	2.80%	$10.80M
North reef capital management lp	271.32K	2.75%	$61.33M
Rdst capital	109.00K	2.43%	$24.35M
Lrt capital management	15.89K	2.10%	$3.55M
Taika capital, lp	11.89K	2.05%	$2.69M
Ashford capital management	66.89K	1.81%	$13.41M
Nfj investment group	211.11K	1.64%	$47.15M

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
American century companies	487.20K	0.06%	264.86K
Arrowstreet capital, limited partnership	250.04K	0.04%	161.12K

Top Sellers

Holder	Shares	% Assets	Change
Wasatch advisors lp	36.53K	0.04%	-651.52K
Marshall wace, llp	-	-	-358.33K
Ownership capital b.v.	-	-	-277.35K
Blackrock	2.95M	0.01%	-274.50K
Artisan partners limited partnership	-	-	-246.30K

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
Tudor investment corp et al	93.15K	0.05%	93.15K	$20.81M
Symphony financial	83.75K	0.39%	83.75K	$18.71M
Point72 asset management	55.47K	0.02%	55.47K	$12.39M

Sold Out

Holder	Change
Colonial trust advisors	-1.00
Claris advisors, llc / mo /	-1.00
Nelson, van denburg & campbell wealth management group	-1.00
Golden state 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 %
Jun 30, 2025	536	2.49%	36,950,853	0.68%	99	1.03%	310	8.77%	157	-9.77%
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%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
VanEck Morningstar Wide Moat	1.40M	3.74%	-200.12K
VanEck Morningstar Wide Moat ETF	1.37M	3.64%	-521.00
Vanguard US Total Market Shares ETF	1.14M	3.02%	-58.38K
Vanguard Total Stock Mkt Idx Inv	1.12M	3.00%	-27.52K
Vanguard Institutional 500 Index Trust	1.07M	2.86%	6.63K
T. Rowe Price US Mid-Cap Growth Equity	1.05M	2.79%	-1.20K
T. Rowe Price Mid-Cap Growth	1.05M	2.79%	-800.00
Vanguard 500 Index Investor	928.63K	2.48%	-136.14K
Vanguard Small Cap Index	864.84K	2.31%	-5.65K
Findlay Park American I USD Dist	656.30K	1.75%	-23.70K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Sep 08, 2025	Casper Stephen P	-	Sell	$298.54K
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	$1.98M

Insider Transactions Trends

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

MKTX Ownership FAQ

Who Owns MarketAxess?

MarketAxess shareholders are primarily institutional investors at 99.30%, followed by 2.25% insiders and -1.55% retail investors. The average institutional ownership in MarketAxess's industry, Capital Markets Stocks, is 45.78%, which MarketAxess exceeds.

Who owns the most shares of MarketAxess?

MarketAxess’s largest shareholders are Vanguard group (4.43M shares, 11.82%), Blackrock (2.95M shares, 7.82%), and Blackrock funding, inc. /de (2.65M shares, 7.12%). Together, they hold 26.75% 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 3.74% of its total shares outstanding invested in 1.4M MarketAxess shares.

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