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 |
|---|---|---|---|---|---|
| Northwest & Ethical Investments L.P. | 6,553 | $1.14M | 0.03% | +240+3.8% | Added |
| Nordea Investment Management AB | 6,155 | $1.08M | 0.00% | −13,579−68.8% | Reduced |
| Bangor Savings Bank | 6,086 | $1.06M | 0.09% | −217−3.4% | Reduced |
| Toronto Dominion Bank | 5,781 | $1.03M | 0.00% | −19,684−77.3% | Reduced |
| Advisor Group Holdings, Inc. | 5,824 | $1.02M | 0.00% | +517+9.7% | Added |
| Voya Investment Management LLC | 5,790 | $1.01M | 0.00% | −5,218−47.4% | Reduced |
| LPL Financial LLC | 5,784 | $1.01M | 0.00% | −14,337−71.3% | Reduced |
| RNC Capital Management LLC | 5,765 | $1.00M | 0.05% | +5,765 | New |
| ISAM Funds (UK) Ltd | 5,720 | $996.7K | 0.20% | +5,720 | New |
| Polymer Capital Management (US) LLC | 5,607 | $977.0K | 0.13% | +5,607 | New |
| Federation des caisses Desjardins du Quebec | 5,394 | $939.8K | 0.00% | +2,446+83.0% | Added |
| Summit Trail Advisors, LLC | 5,177 | $902.1K | 0.01% | +4,171+414.6% | Added |
| DekaBank Deutsche Girozentrale | 5,080 | $892.0K | 0.00% | 00.0% | Unchanged |
| Pictet Asset Management Holding SA | 5,010 | $873.0K | 0.00% | −2,894−36.6% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 4,961 | $864.5K | 0.00% | −5,107−50.7% | Reduced |
| Exchange Traded Concepts, LLC | 4,781 | $833.1K | 0.01% | +624+15.0% | Added |
| Colony Group, LLC | 4,778 | $832.6K | 0.00% | +1,139+31.3% | Added |
| Krilogy Financial LLC | 5,171 | $832.5K | 0.03% | +5,171 | New |
| SRS Capital Advisors, Inc. | 4,495 | $783.3K | 0.01% | +4,473+20,331.8% | Added |
| Captrust Financial Advisors | 4,432 | $772.3K | 0.00% | −1,549−25.9% | Reduced |
| CIBC Private Wealth Group, LLC | 4,393 | $765.6K | 0.00% | −167−3.7% | Reduced |
| Mutual of America Capital Management LLC | 4,185 | $729.2K | 0.01% | −116−2.7% | Reduced |
| US Bancorp | 4,103 | $714.9K | 0.00% | −2,200−34.9% | Reduced |
| Aigen Investment Management, LP | 4,084 | $711.6K | 0.11% | +2,881+239.5% | Added |
| Public Employees Retirement Association of Colorado | 3,908 | $681.0K | 0.00% | −59,211−93.8% | Reduced |
| Deutsche Bank AG | 3,808 | $663.5K | 0.00% | −150,406−97.5% | Reduced |
| Nisa Investment Advisors, LLC | 3,799 | $662.0K | 0.00% | −1,143−23.1% | Reduced |
| Keybank National Association | 3,792 | $660.8K | 0.00% | −2,666−41.3% | Reduced |
| Danske Bank A/S | 3,763 | $655.7K | 0.00% | −3,350−47.1% | Reduced |
| New York Life Investment Management LLC | 3,746 | $652.7K | 0.01% | −5,175−58.0% | Reduced |
| JustInvest LLC | 3,715 | $647.3K | 0.01% | −732−16.5% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 3,705 | $645.6K | 0.02% | +1,414+61.7% | Added |
| Wiley Bros.-Aintree Capital, LLC | 3,617 | $629.9K | 0.00% | −693−16.1% | Reduced |
| Campbell Newman Asset Management Inc | 3,548 | $618.2K | 0.05% | +13+0.4% | Added |
| Ancora Advisors, LLC | 3,522 | $613.7K | 0.01% | +67+1.9% | Added |
| CIBC Asset Management Inc | 3,493 | $608.7K | 0.00% | −1,261−26.5% | Reduced |
| The PNC Financial Services Group, Inc. | 3,449 | $601.1K | 0.00% | +414+13.6% | Added |
| Nia Impact Advisors, LLC | 3,440 | $599.3K | 0.19% | 00.0% | Unchanged |
| Pallas Capital Advisors LLC | 3,421 | $596.1K | 0.02% | −2,208−39.2% | Reduced |
| Fifth Third Bancorp | 3,323 | $579.0K | 0.00% | +60+1.8% | Added |
| Farringdon Capital, Ltd. | 3,204 | $558.3K | 0.14% | +2,087+186.8% | Added |
| Inspire Advisors, LLC | 3,027 | $527.5K | 0.05% | +83+2.8% | Added |
| Brighton Jones LLC | 3,012 | $524.9K | 0.01% | −866−22.3% | Reduced |
| Formidable Asset Management, LLC | 2,963 | $516.3K | 0.08% | 00.0% | Unchanged |
| Reynders McVeigh Capital Management, LLC | 2,790 | $486.0K | 0.02% | −515−15.6% | Reduced |
| Larson Financial Group LLC | 2,779 | $484.3K | 0.02% | −134−4.6% | Reduced |
| Wolverine Trading, LLC | 2,719 | $483.0K | 0.01% | +2,719 | New |
| Assetmark, Inc | 2,681 | $467.2K | 0.00% | +652+32.1% | Added |
| Aviva PLC | 2,610 | $454.8K | 0.00% | +452+20.9% | Added |
| Jackson Thornton Asset Management, LLC | 2,613 | $449.8K | 0.05% | +2,613 | New |
| Axq Capital, LP | 2,571 | $448.0K | 0.17% | +746+40.9% | Added |
| Arrowpoint Investment Partners (Singapore) Pte. Ltd. | 2,515 | $438.2K | 0.64% | +2,515 | New |
| Catalyst Funds Management Pty Ltd | 2,500 | $435.6K | 0.07% | +2,500 | New |
| EntryPoint Capital, LLC | 2,480 | $432.1K | 0.17% | +193+8.4% | Added |
| Lido Advisors, LLC | 2,416 | $421.0K | 0.00% | +2,416 | New |
| Merit Financial Group, LLC | 2,381 | $414.9K | 0.00% | −2,840−54.4% | Reduced |
| Financial Advisory Corp | 2,344 | $409.0K | 0.11% | −94−3.9% | Reduced |
| 111 Capital | 2,343 | $408.3K | 0.08% | +216+10.2% | Added |
| Simplex Trading, LLC | 2,289 | $398.0K | 0.01% | −230−9.1% | Reduced |
| Sterling Capital Management LLC | 2,254 | $392.8K | 0.01% | −172−7.1% | Reduced |
| Dundas Partners LLP | 2,239 | $390.1K | 0.03% | 00.0% | Unchanged |
| Walleye Trading LLC | 2,220 | $386.8K | 0.01% | −2,000−47.4% | Reduced |
| Groupama Asset Managment | 2,201 | $383.5K | 0.01% | +474+27.4% | Added |
| NorthCrest Asset Manangement, LLC | 2,280 | $383.4K | 0.01% | +2,280 | New |
| R Squared Ltd | 2,194 | $382.3K | 0.16% | +457+26.3% | Added |
| Citizens Financial Group Inc | 2,179 | $379.6K | 0.01% | +2,179 | New |
| Sequoia Financial Advisors, LLC | 2,147 | $374.1K | 0.00% | +841+64.4% | Added |
| Pathstone Holdings, LLC | 2,096 | $365.2K | 0.00% | +105+5.3% | Added |
| RMR Wealth Builders | 2,084 | $363.1K | 0.03% | +59+2.9% | Added |
| Neuberger Berman Group LLC | 2,066 | $360.0K | 0.00% | −3,024−59.4% | Reduced |
| Gateway Investment Advisers LLC | 2,034 | $354.4K | 0.00% | −17−0.8% | Reduced |
| Impact Partnership Wealth, LLC | 2,012 | $350.6K | 0.05% | +603+42.8% | Added |
| Ashford Capital Management Inc | 2,000 | $348.5K | 0.04% | −5,771−74.3% | Reduced |
| CI Private Wealth, LLC | 1,998 | $348.1K | 0.00% | −216−9.8% | Reduced |
| Bayforest Capital Ltd | 1,979 | $344.8K | 0.16% | +9+0.5% | Added |
| Essential Partners LLC | 1,964 | $342.2K | 0.11% | +218+12.5% | Added |
| Caerus Investment Advisors, LLC | 1,964 | $342.2K | 0.14% | +1,964 | New |
| Amica Mutual Insurance Co | 1,951 | $340.0K | 0.03% | 00.0% | Unchanged |
| Horizon Kinetics Asset Management LLC | 1,950 | $339.8K | 0.00% | +76+4.1% | Added |
| Norris Perne & French LLP | 1,935 | $337.2K | 0.02% | −35,004−94.8% | Reduced |
| Knollwood Investment Advisory, LLC | 1,934 | $337.0K | 0.03% | −45−2.3% | Reduced |
| Utah Retirement Systems | 1,927 | $335.8K | 0.00% | −4,112−68.1% | Reduced |
| Unique Wealth Strategies, LLC | 1,898 | $330.7K | 0.13% | +1,898 | New |
| Xponance, Inc. | 1,884 | $328.3K | 0.00% | −1,450−43.5% | Reduced |
| Meeder Advisory Services, Inc. | 1,874 | $326.6K | 0.02% | +1,874 | New |
| Benedict Financial Advisors Inc | 1,871 | $326.1K | 0.07% | +269+16.8% | Added |
| X-Square Capital, LLC | 1,873 | $326.0K | 0.10% | −1−0.1% | Reduced |
| SummitTX Capital, L.P. | 1,828 | $318.5K | 0.01% | −1,969−51.9% | Reduced |
| Summit Wealth Group LLC | 1,462 | $312.3K | 0.04% | +1,462 | New |
| Boothbay Fund Management, LLC | 1,783 | $310.7K | 0.01% | +541+43.6% | Added |
| Rothschild Investment LLC | 1,736 | $302.5K | 0.02% | +1,734+86,700.0% | Added |
| Jones Financial Companies LLLP | 1,676 | $301.8K | 0.00% | +67+4.2% | Added |
| Swiss Life Asset Management Ltd | 1,721 | $299.9K | 0.00% | −187−9.8% | Reduced |
| Graham Capital Management, L.P. | 1,708 | $297.6K | 0.01% | −6,330−78.8% | Reduced |
| Blair William & Co | 1,687 | $293.9K | 0.00% | +400+31.1% | Added |
| Machina Capital S.A.S. | 1,649 | $287.3K | 0.05% | +1,649 | New |
| Globeflex Capital L P | 1,648 | $287.2K | 0.04% | 00.0% | Unchanged |
| Banque Pictet & Cie SA | 1,645 | $286.6K | 0.00% | −11−0.7% | Reduced |
| Sage Rhino Capital LLC | 1,625 | $283.2K | 0.05% | +1,625 | New |
| Glenmede Investment Management, LP | 1,583 | $275.8K | 0.00% | +600+61.0% | Added |