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, Q2 2021
Institutional positions in Marketaxess Holdings Inc as of Jun 30, 2021. 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
- 551
- −34 vs. Q1 2021
- Shares held
- 36.2M
- +1.35M (+3.9%) vs. Q1 2021
- Total value
- $16.8B
- −$588.4M (−3.4%) vs. Q1 2021
- New holders
- 49
- 194 more added
- Sold out
- 83
- 223 more reduced
4 institutions that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2021: 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, Q2 2021
Shares, value and share of portfolio for each institution holding Marketaxess Holdings Inc; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Norinchukin Bank, The | 1,158 | $537.0K | 0.01% | −15−1.3% | Reduced |
| Ameritas Investment Partners, Inc. | 1,169 | $542.0K | 0.02% | −33−2.7% | Reduced |
| Fortis Capital Management LLC | 1,182 | $548.0K | 0.28% | +437+58.7% | Added |
| Cigna Investments Inc | 1,221 | $566.0K | 0.04% | −270−18.1% | Reduced |
| Park Avenue Securities LLC | 1,221 | $566.0K | 0.01% | +192+18.7% | Added |
| ETF Managers Group, LLC | 1,206 | $569.0K | 0.01% | +246+25.6% | Added |
| WMS Partners, LLC | 1,229 | $570.0K | 0.08% | 00.0% | Unchanged |
| Wolverine Trading, LLC | 1,209 | $571.0K | 0.02% | −800−39.8% | Reduced |
| Guardian Capital Advisors LP | 1,235 | $573.0K | 0.06% | 00.0% | Unchanged |
| Tocqueville Asset Management L.P. | 1,250 | $579.0K | 0.01% | 00.0% | Unchanged |
| BIT Capital GmbH | 1,260 | $584.1K | 0.03% | +1,260 | New |
| Stephens Inc | 1,291 | $598.0K | 0.01% | +80+6.6% | Added |
| STRS Ohio | 1,299 | $602.0K | 0.00% | −2,317−64.1% | Reduced |
| Forsta Ap-Fonden | 1,300 | $603.0K | 0.01% | −8,200−86.3% | Reduced |
| New England Research & Management, Inc. | 1,300 | $603.0K | 0.31% | +650+100.0% | Added |
| Anchor Investment Management, LLC | 1,346 | $624.0K | 0.09% | +275+25.7% | Added |
| Apollon Wealth Management, LLC | 1,353 | $627.0K | 0.11% | +198+17.1% | Added |
| Geneva Capital Management LLC | 1,356 | $629.0K | 0.01% | +636+88.3% | Added |
| Captrust Financial Advisors | 1,399 | $649.0K | 0.01% | −788−36.0% | Reduced |
| Oppenheimer Asset Management Inc. | 1,467 | $680.0K | 0.01% | −22−1.5% | Reduced |
| Trexquant Investment LP | 1,481 | $687.0K | 0.06% | +1,481 | New |
| Accretive Wealth Partners, LLC | 1,489 | $690.0K | 0.50% | +147+11.0% | Added |
| TrimTabs Asset Management, LLC | 1,490 | $697.0K | 0.36% | −110−6.9% | Reduced |
| Mercer Global Advisors Inc | 1,537 | $713.0K | 0.01% | −78−4.8% | Reduced |
| Rockefeller Capital Management L.P. | 1,549 | $717.0K | 0.00% | −1,847−54.4% | Reduced |
| Vestmark Advisory Solutions, Inc. | 1,548 | $718.0K | 0.05% | +209+15.6% | Added |
| E. Ohman J:or Asset Management AB | 1,600 | $741.7K | 0.02% | 00.0% | Unchanged |
| Rational Advisors LLC | 1,605 | $744.0K | 0.09% | −549−25.5% | Reduced |
| Buckingham Strategic Wealth, LLC | 1,615 | $749.0K | 0.02% | −30−1.8% | Reduced |
| Tributary Capital Management, LLC | 1,640 | $760.0K | 0.06% | −1,960−54.4% | Reduced |
| First Foundation Advisors | 1,658 | $769.0K | 0.03% | +34+2.1% | Added |
| PDT Partners, LLC | 1,719 | $797.0K | 0.05% | −6,188−78.3% | Reduced |
| Northwestern Mutual Investment Management Company, LLC | 1,725 | $800.0K | 0.01% | +2+0.1% | Added |
| OPSEU Pension Plan Trust Fund | 1,749 | $806.0K | 0.21% | −2,260−56.4% | Reduced |
| Amica Retiree Medical Trust | 1,751 | $812.0K | 0.51% | 00.0% | Unchanged |
| Baker Tilly Wealth Management, LLC | 1,764 | $818.0K | 0.13% | +77+4.6% | Added |
| Oak Ridge Investments LLC | 1,769 | $820.0K | 0.07% | −14−0.8% | Reduced |
| Vestcor Inc | 1,772 | $821.0K | 0.03% | −69−3.7% | Reduced |
| Marshall Financial Group LLC | 1,854 | $859.0K | 0.46% | −416−18.3% | Reduced |
| Alamar Capital Management, LLC | 1,871 | $867.0K | 0.76% | +32+1.7% | Added |
| CWM Advisors, LLC | 1,881 | $872.0K | 0.11% | +825+78.1% | Added |
| Canandaigua National Corp | 1,900 | $881.0K | 0.14% | 00.0% | Unchanged |
| Hancock Whitney Corp | 1,924 | $892.0K | 0.03% | −33,351−94.5% | Reduced |
| Schroder Investment Management Group | 1,976 | $916.0K | 0.00% | −1−0.1% | Reduced |
| Regions Financial Corp | 2,004 | $929.0K | 0.01% | +30+1.5% | Added |
| Jefferies Group LLC | 2,017 | $935.1K | 0.02% | +2,017 | New |
| Penobscot Investment Management Company, Inc. | 2,020 | $936.0K | 0.14% | +250+14.1% | Added |
| Myriad Asset Management Ltd. | 2,036 | $944.0K | 0.07% | +2,036 | New |
| Leverage Partners Absolute Return Fund SPC | 2,050 | $950.0K | 0.66% | −100−4.7% | Reduced |
| X-Square Capital, LLC | 2,061 | $951.0K | 0.45% | +181+9.6% | Added |
| Lazard Asset Management LLC | 2,072 | $960.0K | 0.00% | −1,831−46.9% | Reduced |
| Algert Global LLC | 2,074 | $961.0K | 0.32% | +2,074 | New |
| Citizens Financial Group Inc | 2,080 | $964.0K | 0.04% | +2,080 | New |
| Magnetar Financial LLC | 2,100 | $974.0K | 0.01% | +2,100 | New |
| Panagora Asset Management Inc | 2,109 | $978.0K | 0.01% | −52,949−96.2% | Reduced |
| Nordea Investment Management AB | 2,156 | $1.00M | 0.00% | −24−1.1% | Reduced |
| Illinois Municipal Retirement Fund | 2,162 | $1.00M | 0.04% | −10,004−82.2% | Reduced |
| Candriam Luxembourg S.C.A. | 2,176 | $1.01M | 0.01% | +2,176 | New |
| AGF Investments LLC | 2,180 | $1.01M | 0.10% | +149+7.3% | Added |
| GW&K Investment Management, LLC | 2,184 | $1.01M | 0.01% | −78−3.4% | Reduced |
| Kentucky Retirement Systems | 2,212 | $1.02M | 0.05% | −124−5.3% | Reduced |
| XTX Topco Ltd | 2,228 | $1.03M | 0.35% | +1,623+268.3% | Added |
| Fred Alger Management, LLC | 2,235 | $1.04M | 0.00% | −3,511−61.1% | Reduced |
| Flagship Harbor Advisors, LLC | 2,243 | $1.04M | 0.11% | −104−4.4% | Reduced |
| Sentry Investment Management LLC | 2,286 | $1.06M | 0.27% | +1,916+517.8% | Added |
| Pacer Advisors, Inc. | 2,297 | $1.06M | 0.02% | +18+0.8% | Added |
| Cim Investment Mangement Inc | 2,310 | $1.07M | 0.33% | +946+69.4% | Added |
| Proequities, Inc. | 2,386 | $1.11M | 0.07% | +226+10.5% | Added |
| Louisiana State Employees Retirement System | 2,400 | $1.11M | 0.03% | 00.0% | Unchanged |
| SRN Advisors, LLC | 2,505 | $1.16M | 0.40% | −158−5.9% | Reduced |
| Natixis | 2,541 | $1.18M | 0.01% | +3+0.1% | Added |
| New Mexico Educational Retirement Board | 2,550 | $1.18M | 0.04% | +100+4.1% | Added |
| Cavalier Investments, LLC | 2,579 | $1.20M | 0.43% | 00.0% | Unchanged |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 2,623 | $1.22M | 0.03% | −15−0.6% | Reduced |
| JustInvest LLC | 2,638 | $1.22M | 0.13% | +2,638 | New |
| People's United Financial, Inc. | 2,649 | $1.23M | 0.03% | −810−23.4% | Reduced |
| Campbell Newman Asset Management Inc | 2,649 | $1.23M | 0.12% | +138+5.5% | Added |
| Davidson Capital Management Inc. | 2,670 | $1.24M | 0.60% | +473+21.5% | Added |
| Pearl River Capital, LLC | 2,807 | $1.30M | 0.36% | +2,807 | New |
| Horizon Investments, LLC | 2,819 | $1.30M | 0.04% | +2,139+314.6% | Added |
| Wealthfront Advisers LLC | 2,831 | $1.31M | 0.01% | −1,110−28.2% | Reduced |
| Maryland State Retirement & Pension System | 2,820 | $1.33M | 0.04% | 00.0% | Unchanged |
| HighTower Advisors, LLC | 2,879 | $1.33M | 0.00% | −33−1.1% | Reduced |
| Simplex Trading, LLC | 2,929 | $1.36M | 0.05% | +781+36.4% | Added |
| Tower Research Capital LLC (TRC) | 2,931 | $1.36M | 0.04% | +246+9.2% | Added |
| Aigen Investment Management, LP | 3,053 | $1.42M | 0.25% | +3,053 | New |
| Vident Investment Advisory, LLC | 3,075 | $1.43M | 0.04% | −602−16.4% | Reduced |
| ING Groep NV | 3,120 | $1.45M | 0.02% | +3,120 | New |
| Federation des caisses Desjardins du Quebec | 3,189 | $1.48M | 0.01% | +123+4.0% | Added |
| DekaBank Deutsche Girozentrale | 3,168 | $1.48M | 0.00% | −243−7.1% | Reduced |
| Mackenzie Financial Corp | 3,232 | $1.50M | 0.00% | −1,591−33.0% | Reduced |
| Congress Asset Management Co | 3,234 | $1.50M | 0.01% | +18+0.6% | Added |
| Banco Santander, S.A. | 3,237 | $1.50M | 0.01% | 00.0% | Unchanged |
| Jacobs Levy Equity Management, Inc | 3,239 | $1.50M | 0.01% | +1,715+112.5% | Added |
| Catalyst Capital Advisors LLC | 3,280 | $1.52M | 0.08% | 00.0% | Unchanged |
| Bradley Mark J. | 3,291 | $1.53M | 1.02% | −275−7.7% | Reduced |
| First Trust Advisors LP | 3,316 | $1.54M | 0.00% | −17,451−84.0% | Reduced |
| Securian Asset Management, Inc | 3,319 | $1.54M | 0.03% | −100−2.9% | Reduced |
| Paloma Partners Management Co | 3,324 | $1.54M | 0.04% | −839−20.2% | Reduced |
| Fiera Capital Corp | 3,371 | $1.56M | 0.00% | +2,011+147.9% | Added |