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, Q1 2025
Institutional positions in Marketaxess Holdings Inc as of Mar 31, 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
- 511
- −1 vs. Q4 2024
- Shares held
- 37.2M
- −317.9K (−0.8%) vs. Q4 2024
- Total value
- $8.05B
- −$431.1M (−5.1%) vs. Q4 2024
- New holders
- 80
- 200 more added
- Sold out
- 81
- 179 more reduced
7 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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, Q1 2025
Shares, value and share of portfolio for each institution holding Marketaxess Holdings Inc; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Keybank National Association | 7,408 | $1.60M | 0.01% | −741−9.1% | Reduced |
| Catalyst Funds Management Pty Ltd | 7,400 | $1.60M | 0.42% | +6,300+572.7% | Added |
| Stifel Financial Corp | 7,359 | $1.59M | 0.00% | +4,486+156.1% | Added |
| KLP Kapitalforvaltning AS | 7,300 | $1.58M | 0.01% | −6,500−47.1% | Reduced |
| Amalgamated Bank | 7,276 | $1.57M | 0.01% | +16+0.2% | Added |
| Intech Investment Management LLC | 7,078 | $1.53M | 0.02% | −8,977−55.9% | Reduced |
| Simplex Trading, LLC | 6,943 | $1.50M | 0.05% | +6,246+896.1% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 6,650 | $1.44M | 0.00% | +6,650 | New |
| iA Global Asset Management Inc. | 6,569 | $1.42M | 0.02% | +1,467+28.8% | Added |
| Y-Intercept (Hong Kong) Ltd | 6,446 | $1.39M | 0.09% | +4,104+175.2% | Added |
| Headlands Technologies LLC | 6,416 | $1.39M | 0.16% | +3,658+132.6% | Added |
| Bangor Savings Bank | 6,374 | $1.38M | 0.13% | +110+1.8% | Added |
| Tower Research Capital LLC (TRC) | 6,161 | $1.33M | 0.04% | +2,896+88.7% | Added |
| Utah Retirement Systems | 6,122 | $1.32M | 0.02% | 00.0% | Unchanged |
| Northwest & Ethical Investments L.P. | 6,099 | $1.32M | 0.04% | −11,632−65.6% | Reduced |
| Oddo BHF Asset Management SAS | 5,842 | $1.26M | 0.05% | +5,842 | New |
| Boston Private Wealth LLC | 5,816 | $1.26M | 0.05% | +4,506+344.0% | Added |
| Lazard Asset Management LLC | 5,698 | $1.23M | 0.00% | +931+19.5% | Added |
| Callahan Advisors, LLC | 5,500 | $1.19M | 0.11% | −3−0.1% | Reduced |
| Lecap Asset Management Ltd | 5,494 | $1.19M | 0.28% | −4,245−43.6% | Reduced |
| Two Sigma Securities, LLC | 5,406 | $1.17M | 0.18% | +5,406 | New |
| CIBC Asset Management Inc | 5,232 | $1.13M | 0.00% | −125−2.3% | Reduced |
| Comerica Bank | 5,181 | $1.12M | 0.00% | +48+0.9% | Added |
| Advisor Group Holdings, Inc. | 5,137 | $1.11M | 0.00% | −396−7.2% | Reduced |
| Franklin Resources Inc | 5,020 | $1.09M | 0.00% | −25,733−83.7% | Reduced |
| DekaBank Deutsche Girozentrale | 5,029 | $1.07M | 0.00% | −51−1.0% | Reduced |
| J. Safra Sarasin Holding AG | 4,903 | $1.06M | 0.02% | +1,188+32.0% | Added |
| Virtu Financial LLC | 4,790 | $1.04M | 0.06% | +805+20.2% | Added |
| Nisa Investment Advisors, LLC | 4,645 | $1.00M | 0.01% | +738+18.9% | Added |
| Mirae Asset Global Investments Co., Ltd. | 4,628 | $1.00M | 0.00% | −83−1.8% | Reduced |
| CIBC Private Wealth Group, LLC | 4,859 | $1.00M | 0.00% | −545−10.1% | Reduced |
| Illinois Municipal Retirement Fund | 4,622 | $1.00M | 0.01% | 00.0% | Unchanged |
| Yousif Capital Management, LLC | 4,592 | $993.5K | 0.01% | −96−2.0% | Reduced |
| Eventide Asset Management, LLC | 4,543 | $983.0K | 0.02% | +4,543 | New |
| Elevate Capital Advisors, LLC | 4,486 | $970.5K | 0.90% | +4,486 | New |
| Brevan Howard Capital Management LP | 4,459 | $964.7K | 0.03% | +4,459 | New |
| Quest Partners LLC | 4,432 | $958.9K | 0.10% | +920+26.2% | Added |
| State of Alaska, Department of Revenue | 4,415 | $955.0K | 0.01% | +115+2.7% | Added |
| Mariner, LLC | 4,409 | $953.9K | 0.00% | +1,468+49.9% | Added |
| Mutual of America Capital Management LLC | 4,384 | $948.5K | 0.01% | −132−2.9% | Reduced |
| CWM, LLC | 4,320 | $935.0K | 0.00% | +1,141+35.9% | Added |
| Brinker Capital Investments, LLC | 4,134 | $894.3K | 0.01% | +718+21.0% | Added |
| Orion Portfolio Solutions, LLC | 4,134 | $894.3K | 0.01% | +718+21.0% | Added |
| Exchange Traded Concepts, LLC | 4,093 | $885.5K | 0.02% | −144−3.4% | Reduced |
| Polen Capital Management LLC | 4,046 | $875.4K | 0.00% | −311−7.1% | Reduced |
| Oak Thistle LLC | 3,948 | $854.1K | 0.17% | +2,530+178.4% | Added |
| Swiss Life Asset Management Ltd | 3,850 | $832.9K | 0.01% | −7,008−64.5% | Reduced |
| LMR Partners LLP | 3,775 | $816.7K | 0.02% | +3,775 | New |
| Reynders McVeigh Capital Management, LLC | 3,767 | $815.0K | 0.05% | −2,379−38.7% | Reduced |
| MML Investors Services, LLC | 3,675 | $795.0K | 0.00% | +2,247+157.4% | Added |
| JustInvest LLC | 3,650 | $789.7K | 0.01% | −15−0.4% | Reduced |
| Quantessence Capital LLC | 3,637 | $786.9K | 0.20% | +3,637 | New |
| Neuberger Berman Group LLC | 3,547 | $767.4K | 0.00% | −2,486−41.2% | Reduced |
| Ontario Teachers Pension Plan Board | 3,448 | $746.0K | 0.01% | +2,423+236.4% | Added |
| Allianz Asset Management GmbH | 3,446 | $745.5K | 0.00% | −5,397−61.0% | Reduced |
| Walleye Trading LLC | 3,440 | $744.2K | 0.02% | +3,440 | New |
| Nia Impact Advisors, LLC | 3,440 | $744.1K | 0.28% | −130−3.6% | Reduced |
| Bayforest Capital Ltd | 3,362 | $727.4K | 0.32% | +3,314+6,904.2% | Added |
| Wealth Enhancement Advisory Services, LLC | 3,350 | $724.9K | 0.00% | +643+23.8% | Added |
| Xponance, Inc. | 3,314 | $717.0K | 0.01% | −1,906−36.5% | Reduced |
| Campbell Newman Asset Management Inc | 3,302 | $714.4K | 0.06% | +8+0.2% | Added |
| Inspire Advisors, LLC | 3,250 | $703.1K | 0.08% | +3,250 | New |
| Oregon Public Employees Retirement Fund | 3,231 | $699.0K | 0.01% | 00.0% | Unchanged |
| Woodline Partners LP | 3,185 | $689.1K | 0.00% | +921+40.7% | Added |
| Shell Asset Management Co | 3,176 | $687.0K | 0.03% | −1,056−25.0% | Reduced |
| Formidable Asset Management, LLC | 3,167 | $685.2K | 0.11% | 00.0% | Unchanged |
| Fifth Third Bancorp | 3,136 | $678.5K | 0.00% | +157+5.3% | Added |
| Federation des caisses Desjardins du Quebec | 3,130 | $677.2K | 0.00% | +2,819+906.4% | Added |
| Ancora Advisors, LLC | 3,055 | $660.9K | 0.01% | +464+17.9% | Added |
| The PNC Financial Services Group, Inc. | 3,040 | $657.7K | 0.00% | +119+4.1% | Added |
| Mizuho Securities USA LLC | 3,019 | $653.2K | 0.01% | −554−15.5% | Reduced |
| Bayesian Capital Management, LP | 2,985 | $645.8K | 0.11% | +2,985 | New |
| Tredje AP-fonden | 2,980 | $644.7K | 0.01% | 00.0% | Unchanged |
| Aviva PLC | 2,976 | $643.9K | 0.00% | −20,248−87.2% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 2,965 | $641.5K | 0.00% | −77−2.5% | Reduced |
| Integrated Wealth Concepts LLC | 2,933 | $634.6K | 0.01% | +2,933 | New |
| CIBC World Markets Corp | 2,831 | $612.5K | 0.00% | −3,108−52.3% | Reduced |
| Teachers Retirement System of the State of Kentucky | 2,825 | $611.0K | 0.01% | 00.0% | Unchanged |
| Scientech Research LLC | 2,800 | $605.8K | 0.16% | +1,904+212.5% | Added |
| O'Shaughnessy Asset Management, LLC | 2,687 | $581.3K | 0.00% | −607−18.4% | Reduced |
| Gsa Capital Partners LLP | 2,648 | $573.0K | 0.05% | +718+37.2% | Added |
| Rakuten Investment Management, Inc. | 2,637 | $571.6K | 0.00% | +2,637 | New |
| Standard Life Aberdeen plc | 2,624 | $568.5K | 0.00% | −3,840−59.4% | Reduced |
| Groupama Asset Managment | 2,603 | $564.2K | 0.01% | 00.0% | Unchanged |
| Dundas Partners LLP | 2,567 | $555.4K | 0.04% | +203+8.6% | Added |
| Larson Financial Group LLC | 2,559 | $553.7K | 0.03% | +950+59.0% | Added |
| HighTower Advisors, LLC | 2,524 | $546.0K | 0.00% | +1,319+109.5% | Added |
| Jacobs Levy Equity Management, Inc | 2,511 | $543.3K | 0.00% | +2,511 | New |
| Graham Capital Management, L.P. | 2,493 | $539.4K | 0.02% | +2,493 | New |
| Financial Advisory Corp | 2,458 | $532.0K | 0.17% | +157+6.8% | Added |
| Creative Planning | 2,385 | $516.1K | 0.00% | +393+19.7% | Added |
| EntryPoint Capital, LLC | 2,375 | $513.8K | 0.24% | +1,139+92.2% | Added |
| Daiwa Securities Group Inc. | 2,318 | $501.0K | 0.00% | −2,727−54.1% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 2,298 | $497.2K | 0.02% | −837−26.7% | Reduced |
| Hartford Investment Management Co | 2,298 | $497.2K | 0.02% | −49−2.1% | Reduced |
| Contravisory Investment Management, Inc. | 2,241 | $484.8K | 0.10% | −1,122−33.4% | Reduced |
| Group One Trading, L.P. | 2,202 | $476.4K | 0.02% | +1,973+861.6% | Added |
| Mount Yale Investment Advisors, LLC | 2,197 | $475.3K | 0.04% | +2,197 | New |
| Captrust Financial Advisors | 2,184 | $472.6K | 0.00% | −797−26.7% | Reduced |
| Mercer Global Advisors Inc | 2,172 | $469.9K | 0.00% | +583+36.7% | Added |