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 |
|---|---|---|---|---|---|
| Fideuram - Intesa Sanpaolo Private Banking S.P.A. | 29,307 | $5.31M | 0.19% | +29,307 | New |
| Robertson Opportunity Capital, LLC | 28,830 | $5.23M | 1.90% | +28,830 | New |
| Gotham Asset Management, LLC | 28,722 | $5.21M | 0.02% | +15,390+115.4% | Added |
| Amundi | 28,621 | $5.19M | 0.00% | −149,773−84.0% | Reduced |
| Heartland Advisors Inc | 28,421 | $5.15M | 0.28% | +28,421 | New |
| Barclays PLC | 27,902 | $5.06M | 0.00% | −7,270−20.7% | Reduced |
| Geneva Capital Management LLC | 27,446 | $4.97M | 0.09% | +3,418+14.2% | Added |
| Robeco Institutional Asset Management B.V. | 25,000 | $4.53M | 0.01% | −35,000−58.3% | Reduced |
| Guardian Capital LP | 23,700 | $4.30M | 0.13% | −9,897−29.5% | Reduced |
| Tudor Investment Corp Et Al | 23,589 | $4.28M | 0.02% | −106,169−81.8% | Reduced |
| Taylor Hoffman Capital Management LLC | 23,583 | $4.27M | 1.30% | +4,296+22.3% | Added |
| Lombard Odier Asset Management (Europe) Ltd | 23,500 | $4.26M | 0.22% | +9,250+64.9% | Added |
| Readystate Asset Management LP | 23,373 | $4.24M | 0.19% | +23,373 | New |
| Morningstar Investment Management LLC | 23,007 | $4.17M | 0.25% | −7,969−25.7% | Reduced |
| Cinctive Capital Management LP | 22,853 | $4.14M | 0.24% | +9,937+76.9% | Added |
| Caisse de Depot Et Placement du Quebec | 22,484 | $4.08M | 0.01% | +22,484 | New |
| Aquatic Capital Management LLC | 21,263 | $3.85M | 0.11% | −20,769−49.4% | Reduced |
| Russell Investments Group, Ltd. | 21,119 | $3.83M | 0.00% | +10,063+91.0% | Added |
| Alliancebernstein L.P. | 20,549 | $3.72M | 0.00% | +2,646+14.8% | Added |
| New York State Common Retirement Fund | 20,262 | $3.67M | 0.00% | +143+0.7% | Added |
| FJ Capital Management LLC | 20,252 | $3.67M | 0.41% | +20,252 | New |
| D.A. Davidson & Co. | 20,234 | $3.67M | 0.02% | +1,399+7.4% | Added |
| Baird Financial Group, Inc. | 19,344 | $3.51M | 0.01% | −152,039−88.7% | Reduced |
| Vident Advisory, LLC | 18,984 | $3.44M | 0.03% | +1,931+11.3% | Added |
| Illinois Municipal Retirement Fund | 18,941 | $3.43M | 0.04% | +18,941 | New |
| State of Alaska, Department of Revenue | 18,923 | $3.43M | 0.04% | +123+0.7% | Added |
| Captrust Financial Advisors | 18,254 | $3.31M | 0.01% | +13,822+311.9% | Added |
| Agf Management Ltd | 17,972 | $3.26M | 0.01% | +1,134+6.7% | Added |
| Hunter Perkins Capital Management, LLC | 17,202 | $3.12M | 0.72% | +17,202 | New |
| Louisiana State Employees Retirement System | 17,000 | $3.08M | 0.05% | −200−1.2% | Reduced |
| Polar Asset Management Partners Inc. | 16,700 | $3.03M | 0.06% | −23,546−58.5% | Reduced |
| Ensign Peak Advisors, Inc | 16,662 | $3.02M | 0.01% | +3,473+26.3% | Added |
| State of Tennessee, Treasury Department | 17,573 | $2.97M | 0.01% | −3,564−16.9% | Reduced |
| Toroso Investments, LLC | 15,905 | $2.88M | 0.01% | −171−1.1% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 15,845 | $2.87M | 0.02% | −227−1.4% | Reduced |
| Alamar Capital Management, LLC | 15,612 | $2.83M | 1.56% | −1,220−7.2% | Reduced |
| Treasurer of the State of North Carolina | 15,269 | $2.77M | 0.01% | −1,122−6.8% | Reduced |
| Creative Planning | 15,261 | $2.77M | 0.00% | +5,591+57.8% | Added |
| American Century Companies Inc | 15,081 | $2.73M | 0.00% | −402−2.6% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 14,441 | $2.62M | 0.01% | +1,017+7.6% | Added |
| XTX Topco Ltd | 14,232 | $2.58M | 0.07% | +12,909+975.7% | Added |
| SEI Investments Co | 14,184 | $2.57M | 0.00% | −514−3.5% | Reduced |
| Colony Group, LLC | 14,146 | $2.56M | 0.00% | +9,368+196.1% | Added |
| Sanctuary Advisors, LLC | 14,131 | $2.56M | 0.01% | +2,079+17.3% | Added |
| Pallas Capital Advisors LLC | 13,624 | $2.47M | 0.08% | +10,203+298.2% | Added |
| SummitTX Capital, L.P. | 13,612 | $2.47M | 0.07% | +11,784+644.6% | Added |
| Merit Financial Group, LLC | 13,374 | $2.42M | 0.02% | +10,993+461.7% | Added |
| Bridgewater Associates, LP | 13,261 | $2.40M | 0.01% | +13,261 | New |
| Bank of Nova Scotia | 13,183 | $2.39M | 0.00% | −876−6.2% | Reduced |
| State of New Jersey Common Pension Fund D | 13,183 | $2.39M | 0.01% | +266+2.1% | Added |
| Buckingham Strategic Partners | 13,082 | $2.37M | 0.03% | +4,942+60.7% | Added |
| Hudson Bay Capital Management LP | 13,054 | $2.37M | 0.01% | −919−6.6% | Reduced |
| Public Employees Retirement System of Ohio | 12,706 | $2.30M | 0.01% | +183+1.5% | Added |
| Bridgefront Capital, LLC | 12,659 | $2.29M | 0.58% | +5,493+76.7% | Added |
| Exchange Traded Concepts, LLC | 12,579 | $2.28M | 0.02% | +7,798+163.1% | Added |
| Jane Street Group, LLC | 12,392 | $2.25M | 0.00% | −155,230−92.6% | Reduced |
| Los Angeles Capital Management LLC | 13,613 | $2.18M | 0.01% | −39,977−74.6% | Reduced |
| Amalgamated Bank | 11,726 | $2.13M | 0.02% | +6+0.1% | Added |
| Fred Alger Management, LLC | 11,649 | $2.11M | 0.01% | −1,449−11.1% | Reduced |
| Lazard Asset Management LLC | 11,460 | $2.08M | 0.00% | −545−4.5% | Reduced |
| SG Americas Securities, LLC | 11,432 | $2.07M | 0.00% | −12,717−52.7% | Reduced |
| Gator Capital Management, LLC | 11,119 | $2.02M | 0.42% | +11,119 | New |
| Franklin Resources Inc | 10,806 | $1.96M | 0.00% | +10,806 | New |
| Lecap Asset Management Ltd | 10,596 | $1.92M | 0.76% | −3,063−22.4% | Reduced |
| Jump Financial, LLC | 10,557 | $1.91M | 0.02% | −28,956−73.3% | Reduced |
| Sone Capital Management, LLC | 10,355 | $1.88M | 0.15% | −76,313−88.1% | Reduced |
| Arizona State Retirement System | 10,342 | $1.87M | 0.01% | −746−6.7% | Reduced |
| Walled Lake Planning & Wealth Management, LLC | 10,332 | $1.87M | 0.59% | +171+1.7% | Added |
| CIBC World Markets Inc. | 10,253 | $1.86M | 0.00% | +2,126+26.2% | Added |
| Oak Thistle LLC | 9,892 | $1.79M | 0.25% | −512−4.9% | Reduced |
| Yousif Capital Management, LLC | 10,142 | $1.75M | 0.02% | −1,565−13.4% | Reduced |
| Handelsbanken Fonder AB | 9,344 | $1.69M | 0.01% | 00.0% | Unchanged |
| Verition Fund Management LLC | 9,341 | $1.69M | 0.01% | +1,349+16.9% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 9,203 | $1.67M | 0.01% | −313−3.3% | Reduced |
| Teachers Retirement System of the State of Kentucky | 9,202 | $1.67M | 0.01% | +1,314+16.7% | Added |
| Oregon Public Employees Retirement Fund | 8,544 | $1.55M | 0.02% | +144+1.7% | Added |
| Manufacturers Life Insurance Company, The | 8,115 | $1.47M | 0.00% | −1,296−13.8% | Reduced |
| Comerica Bank | 8,072 | $1.46M | 0.01% | −2,337−22.5% | Reduced |
| KLP Kapitalforvaltning AS | 8,000 | $1.45M | 0.01% | +200+2.6% | Added |
| Integrated Wealth Concepts LLC | 7,960 | $1.44M | 0.02% | +7,960 | New |
| Evolve Private Wealth, LLC | 7,738 | $1.40M | 0.08% | +7,738 | New |
| Dockside LLC | 7,619 | $1.38M | 0.35% | +7,619 | New |
| MUFG Securities EMEA plc | 7,530 | $1.36M | 0.02% | +7,530 | New |
| Krilogy Financial LLC | 7,807 | $1.34M | 0.05% | +2,636+51.0% | Added |
| Alpha Omega Wealth Management LLC | 7,315 | $1.33M | 0.22% | +7,315 | New |
| Maryland State Retirement & Pension System | 7,181 | $1.30M | 0.03% | +81+1.1% | Added |
| Stiles Financial Services Inc | 6,975 | $1.26M | 0.39% | −1,420−16.9% | Reduced |
| QSV Equity Investors LLC | 6,753 | $1.22M | 1.81% | +6,753 | New |
| NorthCrest Asset Manangement, LLC | 6,567 | $1.18M | 0.03% | +4,287+188.0% | Added |
| DekaBank Deutsche Girozentrale | 5,080 | $1.13M | 0.00% | 00.0% | Unchanged |
| Intech Investment Management LLC | 6,019 | $1.09M | 0.01% | −808−11.8% | Reduced |
| Summit Trail Advisors, LLC | 5,834 | $1.06M | 0.02% | +657+12.7% | Added |
| Toronto Dominion Bank | 5,781 | $1.05M | 0.00% | 00.0% | Unchanged |
| Parvin Asset Management, LLC | 5,774 | $1.05M | 0.85% | +4,424+327.7% | Added |
| Northwest & Ethical Investments L.P. | 5,736 | $1.04M | 0.02% | −817−12.5% | Reduced |
| Deutsche Bank AG | 5,723 | $1.04M | 0.00% | +1,915+50.3% | Added |
| Quantbot Technologies LP | 5,661 | $1.03M | 0.03% | −64,475−91.9% | Reduced |
| Nordea Investment Management AB | 5,461 | $994.8K | 0.00% | −694−11.3% | Reduced |
| Two Sigma Securities, LLC | 5,453 | $988.4K | 0.14% | +3,982+270.7% | Added |
| Pictet Asset Management Holding SA | 5,320 | $964.3K | 0.00% | +310+6.2% | Added |