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MarketAxess (MKTX) Institutional Ownership

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$162.11 +0.21 (+0.13%)
As of 08/21/2026 04:00 PM Eastern
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Institutional Ownership Changes (13F Filings) for MarketAxess (NASDAQ:MKTX)

Current
Institutional Ownership
Percentage
99.01%
Number of
Institutional Buyers
(last 12 months)
298
Total
Institutional Inflows
(last 12 months)
$3.36B
Number of
Institutional Sellers
(last 12 months)
180
Total
Institutional Outflows
(last 12 months)
$2.70B
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MKTX Institutional Buying and Selling by Quarter

MarketAxess Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/22/2026 denkapparat Operations GmbH10,562$1.20M0.4%+310.3%0.030%
8/22/2026 TD Waterhouse Canada Inc.2,648$303K0.0%-25.8%0.008%
8/21/2026 AXQ Capital LP3,734$424K0.0%-28.1%0.011%
8/21/2026 Nykredit A S1,751$199K0.0%N/A0.005%
8/20/2026 Headlands Technologies LLC10,603$1.20M0.1%N/A0.030%
8/20/2026 Northwestern Mutual Wealth Management Co.1,153$131K0.0%+40.8%0.003%
8/20/2026 Van Den Berg Management I Inc.52,054$5.91M1.2%+65.7%0.148%
8/19/2026 UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC104,853$11.90M0.0%-2.1%0.298%
8/19/2026 Van ECK Associates Corp924,617$104.94M0.1%-25.4%2.627%
8/19/2026 Hsbc Holdings PLC33,576$3.81M0.0%+59.8%0.095%
8/19/2026 Lombard Odier Asset Management Europe Ltd3,783$429K0.0%N/A0.011%
8/19/2026 Archer Investment Corp993$113K0.0%N/A0.003%
8/18/2026 Empowered Funds LLC2,519$286K0.0%N/A0.007%
8/18/2026 Public Employees Retirement System of Ohio10,362$1.18M0.0%N/A0.029%
8/17/2026 Parvin Asset Management LLC5,425$616K0.5%N/A0.015%
8/17/2026 Corient Private Wealth LP2,914$331K0.0%N/A0.008%
8/17/2026 Azora Capital LP513,081$58.23M2.5%N/A1.458%
8/17/2026 Bank of America Corp DE303,517$34.45M0.0%N/A0.863%
8/15/2026 Freestone Grove Partners LP172,799$19.61M0.1%N/A0.491%
8/15/2026 Caisse de depot et placement du Quebec23,004$2.61M0.0%N/A0.065%
8/15/2026 Odyssean LLC3,661$415K0.1%+165.1%0.010%
8/15/2026 Man Group plc14,008$1.59M0.0%N/A0.040%
8/15/2026 Jupiter Topco LLC16,600$1.88M0.0%N/A0.047%
8/14/2026 Hsbc Holdings PLC33,576$3.81M0.0%N/A0.095%
8/14/2026 Primecap Management Co. CA3,504,905$397.77M0.2%N/A9.960%
8/14/2026 PDT Partners LLC28,171$3.20M0.2%N/A0.080%
8/14/2026 RDST Capital LLC247,112$28.05M2.3%N/A0.702%
8/14/2026 Legal & General Group Plc84,460$9.59M0.0%N/A0.240%
8/14/2026 The Manufacturers Life Insurance Company 9,871$1.12M0.0%N/A0.028%
8/14/2026 Sone Capital Management LLC155,522$17.65M1.3%N/A0.442%
8/14/2026 Algert Global LLC112,400$12.76M0.2%+478.2%0.319%
8/13/2026 Cibc World Market Inc.78,286$8.89M0.0%N/A0.222%
8/13/2026 Sanctuary Advisors LLC11,676$1.33M0.0%N/A0.033%
8/13/2026 Connor Clark & Lunn Investment Management Ltd.186,658$21.18M0.0%N/A0.530%
8/13/2026 Globeflex Capital L P1,371$156K0.0%N/A0.004%
8/13/2026 Davis Asset Management L.P.500,000$56.75M1.4%N/A1.421%
8/13/2026 Bank of Nova Scotia115,410$13.10M0.0%N/A0.328%
8/12/2026 Northwestern Mutual Wealth Management Co.1,153$131K0.0%N/A0.003%
8/12/2026 Evolve Private Wealth LLC2,198$249K0.0%N/A0.006%
8/12/2026 X Square Capital LLC2,330$264K0.1%N/A0.007%
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8/12/2026 Westpac Banking Corp2,194$249K0.0%N/A0.006%
8/12/2026 Bard Associates Inc.1,174$133K0.0%N/A0.003%
8/12/2026 Ieq Capital LLC16,146$1.83M0.0%N/A0.046%
8/12/2026 Heartland Advisors Inc.104,926$11.91M0.5%N/A0.298%
8/11/2026 Paralel Advisors LLC14,039$1.59M0.1%N/A0.040%
8/11/2026 Allworth Financial LP1,435$163K0.0%N/A0.004%
8/10/2026 West Family Investments Inc.2,714$308K0.1%N/A0.008%
8/10/2026 Flossbach Von Storch SE75,000$8.51M0.0%N/A0.211%
8/7/2026 Citizens Financial Group Inc. RI3,297$374K0.0%N/A0.009%
8/7/2026 BlackRock Inc.3,999,836$453.94M0.0%N/A11.254%
8/7/2026 Deutsche Bank AG3,979$452K0.0%N/A0.011%
8/6/2026 Bank of New York Mellon Corp257,642$29.24M0.0%N/A0.725%
8/6/2026 Focus Partners Advisor Solutions LLC3,707$421K0.0%N/A0.010%
8/6/2026 State of Wyoming432$49K0.0%N/A0.001%
7/10/2026 Handelsbanken Fonder AB10,744$1.22M0.0%+15.0%0.030%
7/9/2026 Hennion & Walsh Asset Management Inc.3,959$449K0.0%-9.4%0.011%
7/8/2026 Assenagon Asset Management S.A.15,366$1.74M0.0%-85.3%0.043%
7/7/2026 GAMMA Investing LLC1,171$133K0.0%-18.9%0.003%
7/2/2026 Versant Capital Management Inc391$44K0.0%+215.3%0.001%
6/24/2026 Redwood Investment Management LLC6,262$1.03M0.1%N/A0.018%
6/18/2026 Pacer Advisors Inc.444$73K0.0%+58.6%0.001%
6/16/2026 Empowered Funds LLC6,474$1.07M0.0%+415.4%0.018%
6/15/2026 Lombard Odier Asset Management Europe Ltd20,930$3.45M0.0%-10.9%0.059%
6/3/2026 NewEdge Advisors LLC2,091$345K0.0%-17.2%0.006%
6/1/2026 Caerus Investment Advisors LLC2,424$400K0.2%-43.1%0.007%
5/21/2026 Essential Partners LLC3,706$611K0.2%-28.4%0.010%
5/19/2026 NewEdge Advisors LLC2,072$342K0.0%-18.0%0.006%
5/19/2026 Bank of America Corp DE263,858$43.53M0.0%+32.4%0.742%
5/19/2026Janus Henderson Group PLC168,797$27.85M0.0%+0.2%0.475%
5/19/2026 Bull Harbor Capital LLC6,378$1.05M0.3%N/A0.018%
5/18/2026 Guardian Partners Inc.1,401$232K0.0%-6.6%0.004%
5/18/2026 Amundi258,708$42.68M0.0%+803.9%0.728%
5/18/2026 EverSource Wealth Advisors LLC3,098$511K0.0%+9.6%0.009%
5/18/2026California State Teachers Retirement System43,688$7.21M0.0%+24.1%0.123%
5/18/2026 RDST Capital LLC295,267$48.71M4.7%-5.0%0.831%
5/18/2026 Readystate Asset Management LP24,935$4.11M0.2%+6.7%0.070%
5/18/2026 Royal Bank of Canada30,923$5.10M0.0%+2.0%0.087%
5/18/2026 Empowered Funds LLC6,474$1.07M0.0%+415.4%0.018%
5/16/2026 Quantinno Capital Management LP46,990$7.75M0.0%+14.0%0.132%
5/16/2026 Polar Asset Management Partners Inc.104,174$17.19M0.3%+523.8%0.293%
5/15/2026 Weiss Asset Management LP7,490$1.24M0.0%N/A0.021%
5/15/2026 North Reef Capital Management LP1,875,000$309.34M10.6%+16.5%5.276%
5/15/2026 Lombard Odier Asset Management Europe Ltd20,930$3.45M0.2%-10.9%0.059%
5/15/2026 Waverly Advisors LLC3,366$555K0.0%+16.1%0.009%
5/15/2026 Van Den Berg Management I Inc.31,423$5.18M1.2%+3.4%0.088%
5/15/2026 Entropy Technologies LP3,192$527K0.0%N/A0.009%
5/14/2026 Healthcare of Ontario Pension Plan Trust Fund145,628$24.03M0.0%+374.5%0.410%
5/14/2026 Renaissance Technologies LLC167,100$27.57M0.0%-5.1%0.470%
5/14/2026 Morningstar Investment Management LLC1,602$264K0.0%-93.0%0.005%
5/14/2026 Public Employees Retirement System of Ohio13,269$2.19M0.0%+4.4%0.037%
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5/14/2026 Arrowstreet Capital Limited Partnership295,470$48.75M0.0%+2.3%0.831%
5/14/2026 Bank of Nova Scotia24,612$4.06M0.0%+86.7%0.069%
5/14/2026 Sei Investments Co.30,231$4.99M0.0%+113.1%0.085%
5/14/2026 Lido Advisors LLC3,551$586K0.0%+16.1%0.010%
5/14/2026 Globeflex Capital L P1,371$226K0.0%-16.8%0.004%
5/13/2026 First Trust Advisors LP39,492$6.52M0.0%-8.1%0.111%
5/12/2026 Westpac Banking Corp341$56K0.0%N/A0.001%
5/8/2026 PNC Financial Services Group Inc.2,125$351K0.0%+16.9%0.006%
5/7/2026 Earned Wealth Advisors LLC1,976$326K0.0%-3.8%0.006%
5/7/2026 Dimensional Fund Advisors LP581,484$95.93M0.0%+10.3%1.653%


MKTX Institutional Ownership - Frequently Asked Questions

During the previous two years, 632 institutional investors and hedge funds held shares of MarketAxess. The most heavily invested institutionals were Vanguard Group Inc. ($695.98M), FMR LLC ($520.01M), AQR Capital Management LLC ($463.66M), BlackRock Inc. ($453.94M), Primecap Management Co. CA ($397.77M), North Reef Capital Management LP ($309.34M), and State Street Corp ($226.26M).Learn more on MarketAxess' institutional investors.

99.01% of MarketAxess' stock is owned by institutional investors. Learn more on MKTX's institutional investor holdings.

Of the 545 institutional investors that purchased MarketAxess' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Primecap Management Co. CA ($5.38M), BlackRock Inc. ($4.00M), AQR Capital Management LLC ($2.54M), North Reef Capital Management LP ($1.57M), Norges Bank ($1.54M), Bank of Montreal Can ($932.69K), and FMR LLC ($632.63K).

Institutional investors have bought a total of 22,788,756 shares in the last 24 months. This purchase volume represents approximately $3.36B in transactions.

Of the 180 institutional investors that sold MarketAxess' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Lombard Odier Asset Management Europe Ltd ($4.60M), T. Rowe Price Investment Management Inc. ($2.52M), Hsbc Holdings PLC ($1.80M), Van ECK Associates Corp ($1.05M), Invesco Ltd. ($776.89K), Vanguard Group Inc. ($519.48K), and GUARDCAP ASSET MANAGEMENT Ltd ($344.78K).

Institutional investors have sold a total of 15,173,919 shares in the last 24 months. This volume of shares sold represents approximately $2.70B in transactions.


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Institutional ownership data for NASDAQ:MKTX is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 8/22/2026. New 13F filings are added each quarter as they're published.
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