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, Q3 2025
Institutional positions in Marketaxess Holdings Inc as of Sep 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
- 452
- −72 vs. Q2 2025
- Shares held
- 35.6M
- −763.0K (−2.1%) vs. Q2 2025
- Total value
- $6.21B
- −$1.90B (−23.5%) vs. Q2 2025
- New holders
- 64
- 160 more added
- Sold out
- 136
- 185 more reduced
7 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Marketaxess Holdings Inc; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Arrowpoint Investment Partners (Singapore) Pte. Ltd. | 2,515 | $438.2K | 0.64% | +2,515 | New |
| Axq Capital, LP | 2,571 | $448.0K | 0.17% | +746+40.9% | Added |
| Jackson Thornton Asset Management, LLC | 2,613 | $449.8K | 0.05% | +2,613 | New |
| Aviva PLC | 2,610 | $454.8K | 0.00% | +452+20.9% | Added |
| Assetmark, Inc | 2,681 | $467.2K | 0.00% | +652+32.1% | Added |
| Wolverine Trading, LLC | 2,719 | $483.0K | 0.01% | +2,719 | New |
| Larson Financial Group LLC | 2,779 | $484.3K | 0.02% | −134−4.6% | Reduced |
| Reynders McVeigh Capital Management, LLC | 2,790 | $486.0K | 0.02% | −515−15.6% | Reduced |
| Formidable Asset Management, LLC | 2,963 | $516.3K | 0.08% | 00.0% | Unchanged |
| Brighton Jones LLC | 3,012 | $524.9K | 0.01% | −866−22.3% | Reduced |
| Inspire Advisors, LLC | 3,027 | $527.5K | 0.05% | +83+2.8% | Added |
| Farringdon Capital, Ltd. | 3,204 | $558.3K | 0.14% | +2,087+186.8% | Added |
| Fifth Third Bancorp | 3,323 | $579.0K | 0.00% | +60+1.8% | Added |
| Pallas Capital Advisors LLC | 3,421 | $596.1K | 0.02% | −2,208−39.2% | Reduced |
| Nia Impact Advisors, LLC | 3,440 | $599.3K | 0.19% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 3,449 | $601.1K | 0.00% | +414+13.6% | Added |
| CIBC Asset Management Inc | 3,493 | $608.7K | 0.00% | −1,261−26.5% | Reduced |
| Ancora Advisors, LLC | 3,522 | $613.7K | 0.01% | +67+1.9% | Added |
| Campbell Newman Asset Management Inc | 3,548 | $618.2K | 0.05% | +13+0.4% | Added |
| Wiley Bros.-Aintree Capital, LLC | 3,617 | $629.9K | 0.00% | −693−16.1% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 3,705 | $645.6K | 0.02% | +1,414+61.7% | Added |
| JustInvest LLC | 3,715 | $647.3K | 0.01% | −732−16.5% | Reduced |
| New York Life Investment Management LLC | 3,746 | $652.7K | 0.01% | −5,175−58.0% | Reduced |
| Danske Bank A/S | 3,763 | $655.7K | 0.00% | −3,350−47.1% | Reduced |
| Keybank National Association | 3,792 | $660.8K | 0.00% | −2,666−41.3% | Reduced |
| Nisa Investment Advisors, LLC | 3,799 | $662.0K | 0.00% | −1,143−23.1% | Reduced |
| Deutsche Bank AG | 3,808 | $663.5K | 0.00% | −150,406−97.5% | Reduced |
| Public Employees Retirement Association of Colorado | 3,908 | $681.0K | 0.00% | −59,211−93.8% | Reduced |
| Aigen Investment Management, LP | 4,084 | $711.6K | 0.11% | +2,881+239.5% | Added |
| US Bancorp | 4,103 | $714.9K | 0.00% | −2,200−34.9% | Reduced |
| Mutual of America Capital Management LLC | 4,185 | $729.2K | 0.01% | −116−2.7% | Reduced |
| CIBC Private Wealth Group, LLC | 4,393 | $765.6K | 0.00% | −167−3.7% | Reduced |
| Captrust Financial Advisors | 4,432 | $772.3K | 0.00% | −1,549−25.9% | Reduced |
| SRS Capital Advisors, Inc. | 4,495 | $783.3K | 0.01% | +4,473+20,331.8% | Added |
| Krilogy Financial LLC | 5,171 | $832.5K | 0.03% | +5,171 | New |
| Colony Group, LLC | 4,778 | $832.6K | 0.00% | +1,139+31.3% | Added |
| Exchange Traded Concepts, LLC | 4,781 | $833.1K | 0.01% | +624+15.0% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 4,961 | $864.5K | 0.00% | −5,107−50.7% | Reduced |
| Pictet Asset Management Holding SA | 5,010 | $873.0K | 0.00% | −2,894−36.6% | Reduced |
| DekaBank Deutsche Girozentrale | 5,080 | $892.0K | 0.00% | 00.0% | Unchanged |
| Summit Trail Advisors, LLC | 5,177 | $902.1K | 0.01% | +4,171+414.6% | Added |
| Federation des caisses Desjardins du Quebec | 5,394 | $939.8K | 0.00% | +2,446+83.0% | Added |
| Polymer Capital Management (US) LLC | 5,607 | $977.0K | 0.13% | +5,607 | New |
| ISAM Funds (UK) Ltd | 5,720 | $996.7K | 0.20% | +5,720 | New |
| RNC Capital Management LLC | 5,765 | $1.00M | 0.05% | +5,765 | New |
| LPL Financial LLC | 5,784 | $1.01M | 0.00% | −14,337−71.3% | Reduced |
| Voya Investment Management LLC | 5,790 | $1.01M | 0.00% | −5,218−47.4% | Reduced |
| Advisor Group Holdings, Inc. | 5,824 | $1.02M | 0.00% | +517+9.7% | Added |
| Toronto Dominion Bank | 5,781 | $1.03M | 0.00% | −19,684−77.3% | Reduced |
| Bangor Savings Bank | 6,086 | $1.06M | 0.09% | −217−3.4% | Reduced |
| Nordea Investment Management AB | 6,155 | $1.08M | 0.00% | −13,579−68.8% | Reduced |
| Northwest & Ethical Investments L.P. | 6,553 | $1.14M | 0.03% | +240+3.8% | Added |
| Scientech Research LLC | 6,573 | $1.15M | 0.40% | −694−9.6% | Reduced |
| Intech Investment Management LLC | 6,827 | $1.19M | 0.01% | −26,716−79.6% | Reduced |
| Boston Private Wealth LLC | 6,928 | $1.21M | 0.06% | +191+2.8% | Added |
| Maryland State Retirement & Pension System | 7,100 | $1.24M | 0.03% | +5,374+311.4% | Added |
| Bridgefront Capital, LLC | 7,166 | $1.25M | 0.37% | +5,439+314.9% | Added |
| Elevate Capital Advisors, LLC | 7,315 | $1.27M | 0.89% | −1,934−20.9% | Reduced |
| AIA Group Ltd | 7,563 | $1.32M | 0.02% | −698−8.4% | Reduced |
| Point72 Asia (Singapore) Pte. Ltd. | 7,625 | $1.33M | 0.21% | +7,625 | New |
| KLP Kapitalforvaltning AS | 7,800 | $1.36M | 0.01% | 00.0% | Unchanged |
| Kornitzer Capital Management Inc | 7,874 | $1.37M | 0.03% | −37,372−82.6% | Reduced |
| Teachers Retirement System of the State of Kentucky | 7,888 | $1.38M | 0.01% | +5,000+173.1% | Added |
| Qsemble Capital Management, LP | 7,919 | $1.38M | 0.14% | +7,919 | New |
| Buckingham Strategic Partners | 8,140 | $1.39M | 0.02% | +4,252+109.4% | Added |
| Verition Fund Management LLC | 7,992 | $1.39M | 0.01% | −53,465−87.0% | Reduced |
| CIBC World Markets Inc. | 8,127 | $1.42M | 0.00% | +123+1.5% | Added |
| Horizon Investments, LLC | 8,205 | $1.43M | 0.02% | +2,126+35.0% | Added |
| Matauro, LLC | 8,312 | $1.45M | 0.23% | +8,312 | New |
| Stiles Financial Services Inc | 8,395 | $1.46M | 0.46% | +389+4.9% | Added |
| Oregon Public Employees Retirement Fund | 8,400 | $1.46M | 0.02% | +5,169+160.0% | Added |
| Fox Run Management, L.L.C. | 8,704 | $1.52M | 0.24% | +3,686+73.5% | Added |
| Mercer Global Advisors Inc | 9,033 | $1.57M | 0.00% | +4,126+84.1% | Added |
| Handelsbanken Fonder AB | 9,344 | $1.63M | 0.01% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 9,411 | $1.64M | 0.00% | −19,486−67.4% | Reduced |
| Quest Partners LLC | 9,417 | $1.64M | 0.11% | +4,465+90.2% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 9,516 | $1.66M | 0.01% | +318+3.5% | Added |
| Creative Planning | 9,670 | $1.69M | 0.00% | +6,237+181.7% | Added |
| Dark Forest Capital Management LP | 9,673 | $1.69M | 0.06% | +2,151+28.6% | Added |
| Walled Lake Planning & Wealth Management, LLC | 10,161 | $1.77M | 0.58% | +10,161 | New |
| First Trust Advisors LP | 10,228 | $1.78M | 0.00% | +1,793+21.3% | Added |
| Oak Thistle LLC | 10,404 | $1.81M | 0.28% | +5,657+119.2% | Added |
| Comerica Bank | 10,409 | $1.81M | 0.01% | +5,240+101.4% | Added |
| Point72 (DIFC) Ltd | 10,490 | $1.83M | 0.13% | +8,064+332.4% | Added |
| Virtu Financial LLC | 10,799 | $1.88M | 0.11% | +8,351+341.1% | Added |
| Russell Investments Group, Ltd. | 11,056 | $1.93M | 0.00% | −943−7.9% | Reduced |
| Quantinno Capital Management LP | 11,061 | $1.93M | 0.01% | −4,375−28.3% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 11,481 | $1.93M | 0.00% | −2,855−19.9% | Reduced |
| Arizona State Retirement System | 11,088 | $1.93M | 0.01% | +100+0.9% | Added |
| Castle Hook Partners LP | 11,235 | $1.96M | 0.03% | +11,235 | New |
| Rakuten Investment Management, Inc. | 20,381 | $2.03M | 0.01% | +20,381 | New |
| Yousif Capital Management, LLC | 11,707 | $2.04M | 0.02% | +7,185+158.9% | Added |
| Amalgamated Bank | 11,720 | $2.04M | 0.01% | +4,159+55.0% | Added |
| Lazard Asset Management LLC | 12,005 | $2.09M | 0.00% | +7,355+158.2% | Added |
| Sanctuary Advisors, LLC | 12,052 | $2.10M | 0.01% | −475−3.8% | Reduced |
| Headlands Technologies LLC | 12,127 | $2.11M | 0.17% | +9,022+290.6% | Added |
| Wells Fargo & Company | 12,166 | $2.12M | 0.00% | −7,855−39.2% | Reduced |
| LRT Capital Management, LLC | 12,170 | $2.12M | 1.41% | −3,725−23.4% | Reduced |
| Mariner, LLC | 12,320 | $2.15M | 0.00% | +1,330+12.1% | Added |
| Capital Fund Management S.A. | 12,367 | $2.15M | 0.02% | −41,025−76.8% | Reduced |