Marketaxess Holdings Inc
MKTX- Exchange
- Nasdaq
- Industry
- Security Brokers, Dealers & Flotation Companies
- SEC CIK
- 0001278021
In the last 90 days, Marketaxess Holdings Inc insiders filed 0 open-market purchases and 4 sales; 397 institutions reported holding it in 13F filings for Q2 2026, worth $4.44B in total; no superinvestor holds it.
13F holders, Q2 2025
Institutional positions in Marketaxess Holdings Inc as of Jun 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 531
- +27 vs. Q1 2025
- Shares held
- 36.9M
- −208.8K (−0.6%) vs. Q1 2025
- Total value
- $8.24B
- +$209.3M (+2.6%) vs. Q1 2025
- New holders
- 85
- 229 more added
- Sold out
- 58
- 159 more reduced
7 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting MKTX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 397 | $4.44B |
| Q1 2026 | 452 | $6.31B |
| Q4 2025 | 487 | $6.62B |
| Q3 2025 | 452 | $6.21B |
| Q2 2025 | 531 | $8.24B |
| Q1 2025 | 511 | $8.05B |
| Q4 2024 | 519 | $8.51B |
| Q3 2024 | 511 | $9.42B |
| Q2 2024 | 468 | $7.48B |
| Q1 2024 | 463 | $8.14B |
| Q4 2023 | 506 | $10.9B |
| Q3 2023 | 485 | $7.98B |
| Q2 2023 | 514 | $9.88B |
| Q1 2023 | 540 | $14.5B |
| Q4 2022 | 500 | $10.3B |
| Q3 2022 | 479 | $8.19B |
| Q2 2022 | 505 | $9.28B |
| Q1 2022 | 506 | $12.4B |
| Q4 2021 | 505 | $15.0B |
| Q3 2021 | 508 | $15.3B |
| Q2 2021 | 551 | $16.8B |
| Q1 2021 | 589 | $17.7B |
Institutions, Q2 2025
Shares, value and share of portfolio for each institution holding Marketaxess Holdings Inc; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Public Sector Pension Investment Board | 7,714 | $1.72M | 0.01% | −2,380−23.6% | Reduced |
| Amalgamated Bank | 7,561 | $1.69M | 0.01% | +285+3.9% | Added |
| Dark Forest Capital Management LP | 7,522 | $1.68M | 0.07% | −1,633−17.8% | Reduced |
| Scientech Research LLC | 7,267 | $1.62M | 0.40% | +4,467+159.5% | Added |
| Danske Bank A/S | 7,113 | $1.59M | 0.00% | +6,713+1,678.3% | Added |
| Jefferies Financial Group Inc. | 7,000 | $1.56M | 0.03% | −26,797−79.3% | Reduced |
| Point72 Hong Kong Ltd | 6,762 | $1.51M | 0.10% | +6,762 | New |
| Boston Private Wealth LLC | 6,737 | $1.50M | 0.08% | +921+15.8% | Added |
| Keybank National Association | 6,458 | $1.44M | 0.01% | −950−12.8% | Reduced |
| Northwest & Ethical Investments L.P. | 6,313 | $1.41M | 0.03% | +214+3.5% | Added |
| Bangor Savings Bank | 6,303 | $1.41M | 0.13% | −71−1.1% | Reduced |
| US Bancorp | 6,303 | $1.41M | 0.00% | −1,754−21.8% | Reduced |
| Horizon Investments, LLC | 6,079 | $1.36M | 0.02% | +5,530+1,007.3% | Added |
| Utah Retirement Systems | 6,039 | $1.35M | 0.01% | −83−1.4% | Reduced |
| Captrust Financial Advisors | 5,981 | $1.34M | 0.00% | +3,797+173.9% | Added |
| Pallas Capital Advisors LLC | 5,629 | $1.26M | 0.05% | +4,134+276.5% | Added |
| Callahan Advisors, LLC | 5,500 | $1.23M | 0.11% | 00.0% | Unchanged |
| Oddo BHF Asset Management SAS | 5,458 | $1.22M | 0.05% | −384−6.6% | Reduced |
| Victory Capital Management Inc | 5,400 | $1.21M | 0.00% | −12,000−69.0% | Reduced |
| Advisor Group Holdings, Inc. | 5,307 | $1.18M | 0.00% | +170+3.3% | Added |
| Merit Financial Group, LLC | 5,221 | $1.17M | 0.01% | +3,591+220.3% | Added |
| Comerica Bank | 5,169 | $1.15M | 0.00% | −12−0.2% | Reduced |
| Neuberger Berman Group LLC | 5,090 | $1.14M | 0.00% | +1,543+43.5% | Added |
| Moore Capital Management, LP | 5,079 | $1.13M | 0.02% | +3,573+237.3% | Added |
| Fox Run Management, L.L.C. | 5,018 | $1.12M | 0.19% | +3,923+358.3% | Added |
| Ontario Teachers Pension Plan Board | 5,007 | $1.12M | 0.02% | +1,559+45.2% | Added |
| Quest Partners LLC | 4,952 | $1.11M | 0.11% | +520+11.7% | Added |
| DekaBank Deutsche Girozentrale | 5,080 | $1.10M | 0.00% | +51+1.0% | Added |
| Nisa Investment Advisors, LLC | 4,942 | $1.10M | 0.00% | +297+6.4% | Added |
| Mercer Global Advisors Inc | 4,907 | $1.10M | 0.00% | +2,735+125.9% | Added |
| Mirae Asset Global Investments Co., Ltd. | 4,805 | $1.07M | 0.00% | +177+3.8% | Added |
| CIBC Asset Management Inc | 4,754 | $1.06M | 0.00% | −478−9.1% | Reduced |
| Oak Thistle LLC | 4,747 | $1.06M | 0.16% | +799+20.2% | Added |
| Integrated Wealth Concepts LLC | 4,681 | $1.05M | 0.01% | +1,748+59.6% | Added |
| Lazard Asset Management LLC | 4,650 | $1.04M | 0.00% | −1,048−18.4% | Reduced |
| CIBC Private Wealth Group, LLC | 4,560 | $1.02M | 0.00% | −299−6.2% | Reduced |
| Yousif Capital Management, LLC | 4,522 | $1.01M | 0.01% | −70−1.5% | Reduced |
| Gsa Capital Partners LLP | 4,470 | $998.0K | 0.07% | +1,822+68.8% | Added |
| JustInvest LLC | 4,447 | $993.2K | 0.01% | +797+21.8% | Added |
| Wiley Bros.-Aintree Capital, LLC | 4,310 | $963.4K | 0.01% | +4,310 | New |
| Mutual of America Capital Management LLC | 4,301 | $960.6K | 0.01% | −83−1.9% | Reduced |
| Walleye Trading LLC | 4,220 | $942.5K | 0.02% | +780+22.7% | Added |
| State of Alaska, Department of Revenue | 4,215 | $941.0K | 0.01% | −200−4.5% | Reduced |
| Brinker Capital Investments, LLC | 4,203 | $938.6K | 0.01% | +69+1.7% | Added |
| Exchange Traded Concepts, LLC | 4,157 | $928.4K | 0.01% | +64+1.6% | Added |
| O'Shaughnessy Asset Management, LLC | 4,068 | $908.5K | 0.01% | +1,381+51.4% | Added |
| Woodline Partners LP | 4,052 | $905.0K | 0.00% | +867+27.2% | Added |
| Buckingham Strategic Partners | 3,888 | $868.3K | 0.01% | +2,738+238.1% | Added |
| Brighton Jones LLC | 3,878 | $866.2K | 0.02% | +3,878 | New |
| SummitTX Capital, L.P. | 3,797 | $848.0K | 0.04% | +2,033+115.2% | Added |
| Daiwa Securities Group Inc. | 3,669 | $820.0K | 0.00% | +1,351+58.3% | Added |
| Colony Group, LLC | 3,639 | $812.7K | 0.00% | +2,310+173.8% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 3,571 | $797.5K | 0.00% | +606+20.4% | Added |
| Campbell Newman Asset Management Inc | 3,535 | $789.5K | 0.06% | +233+7.1% | Added |
| Ancora Advisors, LLC | 3,455 | $771.6K | 0.02% | +400+13.1% | Added |
| Centiva Capital, LP | 3,445 | $769.4K | 0.05% | +3,445 | New |
| Nia Impact Advisors, LLC | 3,440 | $768.2K | 0.27% | 00.0% | Unchanged |
| Mackenzie Financial Corp | 3,438 | $767.8K | 0.00% | +2,161+169.2% | Added |
| Creative Planning | 3,433 | $766.8K | 0.00% | +1,048+43.9% | Added |
| Illinois Municipal Retirement Fund | 3,397 | $758.7K | 0.01% | −1,225−26.5% | Reduced |
| Xponance, Inc. | 3,334 | $744.6K | 0.01% | +20+0.6% | Added |
| Reynders McVeigh Capital Management, LLC | 3,305 | $738.0K | 0.04% | −462−12.3% | Reduced |
| Fifth Third Bancorp | 3,263 | $728.8K | 0.00% | +127+4.0% | Added |
| Oregon Public Employees Retirement Fund | 3,231 | $721.6K | 0.01% | 00.0% | Unchanged |
| CIBC World Markets Corp | 3,156 | $704.9K | 0.00% | +325+11.5% | Added |
| Caxton Associates LLP | 3,148 | $703.1K | 0.02% | +3,148 | New |
| Headlands Technologies LLC | 3,105 | $693.5K | 0.08% | −3,311−51.6% | Reduced |
| Pacer Advisors, Inc. | 3,065 | $684.5K | 0.00% | +1,197+64.1% | Added |
| Shell Asset Management Co | 3,056 | $683.0K | 0.02% | −120−3.8% | Reduced |
| Ethic Inc. | 3,104 | $681.5K | 0.01% | +2,036+190.6% | Added |
| The PNC Financial Services Group, Inc. | 3,035 | $677.9K | 0.00% | −5−0.2% | Reduced |
| Formidable Asset Management, LLC | 2,963 | $661.8K | 0.11% | −204−6.4% | Reduced |
| Federation des caisses Desjardins du Quebec | 2,948 | $657.9K | 0.00% | −182−5.8% | Reduced |
| Inspire Advisors, LLC | 2,944 | $657.5K | 0.07% | −306−9.4% | Reduced |
| Larson Financial Group LLC | 2,913 | $650.5K | 0.03% | +354+13.8% | Added |
| Teachers Retirement System of the State of Kentucky | 2,888 | $645.0K | 0.01% | +63+2.2% | Added |
| Twin Tree Management, LP | 2,599 | $580.5K | 0.01% | −5,332−67.2% | Reduced |
| Mizuho Securities USA LLC | 2,593 | $579.1K | 0.01% | +2,593 | New |
| Jain Global LLC | 2,568 | $573.5K | 0.01% | +1,454+130.5% | Added |
| Simplex Trading, LLC | 2,519 | $562.0K | 0.02% | −4,424−63.7% | Reduced |
| Allianz Asset Management GmbH | 2,469 | $551.4K | 0.00% | −977−28.4% | Reduced |
| Norden Group LLC | 2,457 | $548.7K | 0.06% | +290+13.4% | Added |
| Virtu Financial LLC | 2,448 | $547.0K | 0.03% | −2,342−48.9% | Reduced |
| Financial Advisory Corp | 2,438 | $545.0K | 0.17% | −20−0.8% | Reduced |
| Sterling Capital Management LLC | 2,426 | $541.8K | 0.01% | +372+18.1% | Added |
| Point72 (DIFC) Ltd | 2,426 | $541.7K | 0.04% | +2,426 | New |
| Quarry LP | 2,406 | $537.4K | 0.12% | +2,050+575.8% | Added |
| Standard Life Aberdeen plc | 2,319 | $517.9K | 0.00% | −305−11.6% | Reduced |
| Freestone Grove Partners LP | 2,302 | $514.1K | 0.00% | +2,302 | New |
| Hennion & Walsh Asset Management, Inc. | 2,291 | $511.7K | 0.02% | −7−0.3% | Reduced |
| EntryPoint Capital, LLC | 2,287 | $510.8K | 0.26% | −88−3.7% | Reduced |
| Hartford Investment Management Co | 2,279 | $509.0K | 0.02% | −19−0.8% | Reduced |
| Exchange Capital Management, Inc. | 2,270 | $507.0K | 0.08% | +205+9.9% | Added |
| M&T Bank Corp | 2,247 | $501.8K | 0.00% | +491+28.0% | Added |
| Dundas Partners LLP | 2,239 | $500.1K | 0.03% | −328−12.8% | Reduced |
| CI Private Wealth, LLC | 2,214 | $494.5K | 0.00% | +2,214 | New |
| Aviva PLC | 2,158 | $482.0K | 0.00% | −818−27.5% | Reduced |
| Norinchukin Bank, The | 2,153 | $480.9K | 0.01% | +185+9.4% | Added |
| 111 Capital | 2,127 | $475.0K | 0.08% | +279+15.1% | Added |
| Versor Investments LP | 2,096 | $468.1K | 0.08% | +2,096 | New |