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, Q4 2025
Institutional positions in Marketaxess Holdings Inc as of Dec 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
- 487
- +47 vs. Q3 2025
- Shares held
- 36.5M
- +1.81M (+5.2%) vs. Q3 2025
- Total value
- $6.62B
- +$566.0M (+9.4%) vs. Q3 2025
- New holders
- 118
- 155 more added
- Sold out
- 71
- 171 more reduced
12 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Marketaxess Holdings Inc; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Groupama Asset Managment | 1,995 | $361.6K | 0.01% | −206−9.4% | Reduced |
| Ashford Capital Management Inc | 2,000 | $362.5K | 0.04% | 00.0% | Unchanged |
| X-Square Capital, LLC | 2,027 | $367.0K | 0.12% | +154+8.2% | Added |
| Capital Performance Advisors LLP | 2,055 | $372.5K | 0.03% | +2,055 | New |
| Kaufman Rossin Wealth, LLC | 2,074 | $375.9K | 0.20% | +2,074 | New |
| Perigon Wealth Management, LLC | 2,100 | $380.6K | 0.01% | +2,100 | New |
| Sym Financial Corp | 2,149 | $389.5K | 0.04% | +2,149 | New |
| Sterling Capital Management LLC | 2,156 | $390.8K | 0.01% | −98−4.3% | Reduced |
| Fieldview Capital Management, LLC | 2,185 | $396.0K | 0.07% | +2,185 | New |
| Fifth Third Bancorp | 2,246 | $407.1K | 0.00% | −1,077−32.4% | Reduced |
| Profund Advisors LLC | 2,266 | $410.7K | 0.01% | +2,266 | New |
| Unique Wealth Strategies, LLC | 2,274 | $412.2K | 0.16% | +376+19.8% | Added |
| Sentinus, LLC | 2,276 | $412.5K | 0.04% | +2,276 | New |
| CIBC Asset Management Inc | 2,283 | $413.8K | 0.00% | −1,210−34.6% | Reduced |
| Reynders McVeigh Capital Management, LLC | 2,290 | $415.0K | 0.02% | −500−17.9% | Reduced |
| Evoke Wealth, LLC | 2,346 | $425.1K | 0.01% | +2,346 | New |
| Amica Mutual Insurance Co | 2,352 | $426.0K | 0.04% | +401+20.6% | Added |
| Diversified Trust Co | 2,377 | $430.8K | 0.01% | +2,377 | New |
| Clearstead Advisors, LLC | 2,382 | $431.8K | 0.01% | +1,940+438.9% | Added |
| Assetmark, Inc | 2,409 | $436.6K | 0.00% | −272−10.1% | Reduced |
| Financial Advisory Corp | 2,424 | $439.0K | 0.12% | +80+3.4% | Added |
| Citizens Financial Group Inc | 2,439 | $442.0K | 0.01% | +260+11.9% | Added |
| Envestnet Asset Management Inc | 2,447 | $443.5K | 0.00% | −20,851−89.5% | Reduced |
| Transcend Wealth Collective, LLC | 2,519 | $456.6K | 0.04% | +2,519 | New |
| GWM Advisors LLC | 2,526 | $458.0K | 0.00% | +1,288+104.0% | Added |
| waypoint wealth counsel | 2,540 | $460.4K | 0.17% | +2,540 | New |
| HB Wealth Management, LLC | 2,564 | $464.7K | 0.00% | +2,564 | New |
| denkapparat Operations GmbH | 2,574 | $466.5K | 0.25% | +2,574 | New |
| Rothschild Investment LLC | 2,622 | $475.2K | 0.03% | +886+51.0% | Added |
| Nia Impact Advisors, LLC | 2,665 | $482.9K | 0.16% | −775−22.5% | Reduced |
| Waddell & Associates, LLC | 2,772 | $502.4K | 0.03% | +2,772 | New |
| Axq Capital, LP | 2,813 | $509.9K | 0.11% | +242+9.4% | Added |
| EverSource Wealth Advisors, LLC | 2,826 | $512.2K | 0.02% | +2,183+339.5% | Added |
| Lighthouse Investment Partners, LLC | 2,835 | $513.8K | 0.02% | +2,835 | New |
| HSBC Holdings PLC | 2,844 | $517.2K | 0.00% | −1,795,922−99.8% | Reduced |
| Qsemble Capital Management, LP | 2,858 | $518.0K | 0.04% | −5,061−63.9% | Reduced |
| Aviva PLC | 2,881 | $522.2K | 0.00% | +271+10.4% | Added |
| Warren Averett Asset Management, LLC | 2,900 | $525.6K | 0.00% | +2,900 | New |
| HighTower Advisors, LLC | 2,907 | $526.9K | 0.00% | +1,752+151.7% | Added |
| Formidable Asset Management, LLC | 2,963 | $537.0K | 0.08% | 00.0% | Unchanged |
| Bessemer Group Inc | 2,976 | $540.0K | 0.00% | +2,941+8,402.9% | Added |
| RMB Capital Management, LLC | 2,990 | $541.9K | 0.01% | +2,990 | New |
| Inspire Advisors, LLC | 2,990 | $542.0K | 0.05% | −37−1.2% | Reduced |
| MYDA Advisors LLC | 3,000 | $543.8K | 0.15% | +1,485+98.0% | Added |
| Wiley Bros.-Aintree Capital, LLC | 3,207 | $548.6K | 0.00% | −410−11.3% | Reduced |
| Larson Financial Group LLC | 3,044 | $551.6K | 0.02% | +265+9.5% | Added |
| Lido Advisors, LLC | 3,058 | $553.8K | 0.00% | +642+26.6% | Added |
| Keybank National Association | 3,241 | $587.4K | 0.00% | −551−14.5% | Reduced |
| Jacobs Levy Equity Management, Inc | 3,314 | $600.7K | 0.00% | +3,314 | New |
| New Age Alpha Advisors, LLC | 3,315 | $600.8K | 0.03% | +3,315 | New |
| Parcion Private Wealth LLC | 3,330 | $603.6K | 0.04% | +3,330 | New |
| Jackson Thornton Asset Management, LLC | 3,330 | $604.1K | 0.06% | +717+27.4% | Added |
| Panagora Asset Management Inc | 3,430 | $621.7K | 0.00% | +3,430 | New |
| Advisor Group Holdings, Inc. | 3,442 | $624.3K | 0.00% | −2,382−40.9% | Reduced |
| New York Life Investment Management LLC | 3,455 | $626.2K | 0.01% | −291−7.8% | Reduced |
| CIBC Private Wealth Group, LLC | 3,515 | $637.0K | 0.00% | −878−20.0% | Reduced |
| RNC Capital Management LLC | 3,583 | $649.4K | 0.03% | −2,182−37.8% | Reduced |
| US Bancorp | 3,586 | $650.0K | 0.00% | −517−12.6% | Reduced |
| Chicago Partners Investment Group LLC | 3,891 | $667.4K | 0.02% | +2,579+196.6% | Added |
| Fox Run Management, L.L.C. | 3,816 | $691.6K | 0.11% | −4,888−56.2% | Reduced |
| LPL Financial LLC | 3,874 | $702.2K | 0.00% | −1,910−33.0% | Reduced |
| Sivia Capital Partners, LLC | 3,881 | $703.4K | 0.14% | +3,881 | New |
| Public Employees Retirement Association of Colorado | 3,908 | $708.0K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 3,937 | $713.6K | 0.00% | +138+3.6% | Added |
| JustInvest LLC | 3,986 | $722.5K | 0.01% | +271+7.3% | Added |
| Purpose Unlimited Inc. | 4,054 | $734.8K | 0.03% | +4,054 | New |
| Odyssean, LLC | 4,157 | $753.5K | 0.54% | +4,157 | New |
| Capstone Investment Advisors, LLC | 4,182 | $758.0K | 0.01% | +2,949+239.2% | Added |
| TD Asset Management Inc | 4,188 | $759.1K | 0.00% | −91,852−95.6% | Reduced |
| Mutual of America Capital Management LLC | 4,249 | $770.1K | 0.01% | +64+1.5% | Added |
| Hennion & Walsh Asset Management, Inc. | 4,249 | $770.1K | 0.03% | +544+14.7% | Added |
| Caerus Investment Advisors, LLC | 4,263 | $772.7K | 0.26% | +2,299+117.1% | Added |
| IFP Advisors, Inc | 4,266 | $773.2K | 0.02% | +3,796+807.7% | Added |
| PDT Partners, LLC | 4,280 | $775.8K | 0.05% | +4,280 | New |
| Brevan Howard Capital Management LP | 4,288 | $777.2K | 0.01% | −29,654−87.4% | Reduced |
| Ancora Advisors, LLC | 4,339 | $786.4K | 0.02% | +817+23.2% | Added |
| Federation des caisses Desjardins du Quebec | 4,507 | $816.9K | 0.00% | −887−16.4% | Reduced |
| AIA Group Ltd | 4,573 | $828.9K | 0.01% | −2,990−39.5% | Reduced |
| Dark Forest Capital Management LP | 4,628 | $838.8K | 0.04% | −5,045−52.2% | Reduced |
| Jefferies Financial Group Inc. | 4,758 | $862.4K | 0.01% | −33,335−87.5% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 4,840 | $877.3K | 0.00% | −121−2.4% | Reduced |
| Voya Investment Management LLC | 4,876 | $883.8K | 0.00% | −914−15.8% | Reduced |
| Gsa Capital Partners LLP | 5,137 | $931.0K | 0.08% | +5,137 | New |
| Y-Intercept (Hong Kong) Ltd | 5,160 | $935.3K | 0.02% | +5,160 | New |
| Legato Capital Management LLC | 5,168 | $936.7K | 0.08% | +5,168 | New |
| Essential Partners LLC | 5,173 | $937.6K | 0.29% | +3,209+163.4% | Added |
| Wells Fargo & Company | 5,295 | $959.7K | 0.00% | −6,871−56.5% | Reduced |
| Pictet Asset Management Holding SA | 5,320 | $964.3K | 0.00% | +310+6.2% | Added |
| Two Sigma Securities, LLC | 5,453 | $988.4K | 0.14% | +3,982+270.7% | Added |
| Nordea Investment Management AB | 5,461 | $994.8K | 0.00% | −694−11.3% | Reduced |
| Quantbot Technologies LP | 5,661 | $1.03M | 0.03% | −64,475−91.9% | Reduced |
| Deutsche Bank AG | 5,723 | $1.04M | 0.00% | +1,915+50.3% | Added |
| Northwest & Ethical Investments L.P. | 5,736 | $1.04M | 0.02% | −817−12.5% | Reduced |
| Parvin Asset Management, LLC | 5,774 | $1.05M | 0.85% | +4,424+327.7% | Added |
| Toronto Dominion Bank | 5,781 | $1.05M | 0.00% | 00.0% | Unchanged |
| Summit Trail Advisors, LLC | 5,834 | $1.06M | 0.02% | +657+12.7% | Added |
| Intech Investment Management LLC | 6,019 | $1.09M | 0.01% | −808−11.8% | Reduced |
| DekaBank Deutsche Girozentrale | 5,080 | $1.13M | 0.00% | 00.0% | Unchanged |
| NorthCrest Asset Manangement, LLC | 6,567 | $1.18M | 0.03% | +4,287+188.0% | Added |
| QSV Equity Investors LLC | 6,753 | $1.22M | 1.81% | +6,753 | New |