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 |
|---|---|---|---|---|---|
| Allianz Asset Management GmbH | 0 | $0 | 0.00% | −2,469−100.0% | Sold out |
| Norden Group LLC | 0 | $0 | 0.00% | −2,457−100.0% | Sold out |
| Standard Life Aberdeen plc | 0 | $0 | 0.00% | −2,319−100.0% | Sold out |
| Hartford Investment Management Co | 0 | $0 | 0.00% | −2,279−100.0% | Sold out |
| M&T Bank Corp | 0 | $0 | 0.00% | −2,247−100.0% | Sold out |
| Norinchukin Bank, The | 0 | $0 | 0.00% | −2,153−100.0% | Sold out |
| Versor Investments LP | 0 | $0 | 0.00% | −2,096−100.0% | Sold out |
| Entropy Technologies, LP | 0 | $0 | 0.00% | −2,090−100.0% | Sold out |
| Franklin Resources Inc | 0 | $0 | 0.00% | −2,059−100.0% | Sold out |
| Teza Capital Management LLC | 0 | $0 | 0.00% | −1,956−100.0% | Sold out |
| Securian Asset Management, Inc | 0 | $0 | 0.00% | −1,933−100.0% | Sold out |
| Optimize Financial Inc | 0 | $0 | 0.00% | −1,900−100.0% | Sold out |
| Sivia Capital Partners, LLC | 0 | $0 | 0.00% | −1,818−100.0% | Sold out |
| Guggenheim Capital LLC | 0 | $0 | 0.00% | −1,812−100.0% | Sold out |
| New Mexico Educational Retirement Board | 0 | $0 | 0.00% | −1,750−100.0% | Sold out |
| MML Investors Services, LLC | 0 | $0 | 0.00% | −1,737−100.0% | Sold out |
| HB Wealth Management, LLC | 0 | $0 | 0.00% | −1,736−100.0% | Sold out |
| Allspring Global Investments Holdings, LLC | 0 | $0 | 0.00% | −1,713−100.0% | Sold out |
| Park Avenue Securities LLC | 0 | $0 | 0.00% | −1,711−100.0% | Sold out |
| Sumitomo Mitsui Trust Holdings, Inc. | 0 | $0 | 0.00% | −1,698−100.0% | Sold out |
| Highland Capital Management, LLC | 0 | $0 | 0.00% | −1,354−100.0% | Sold out |
| Independent Financial Group, LLC | 0 | $0 | 0.00% | −1,299−100.0% | Sold out |
| Everence Capital Management Inc | 0 | $0 | 0.00% | −1,230−100.0% | Sold out |
| Evoke Wealth, LLC | 0 | $0 | 0.00% | −1,222−100.0% | Sold out |
| MBB Public Markets I LLC | 0 | $0 | 0.00% | −1,204−100.0% | Sold out |
| Northwestern Mutual Investment Management Company, LLC | 0 | $0 | 0.00% | −1,197−100.0% | Sold out |
| V-Square Quantitative Management LLC | 0 | $0 | 0.00% | −1,188−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −1,167−100.0% | Sold out |
| Davenport & Co LLC | 0 | $0 | 0.00% | −1,158−100.0% | Sold out |
| Commonwealth Equity Services, LLC | 0 | $0 | 0.00% | −1,137−100.0% | Sold out |
| PharVision Advisers, LLC | 0 | $0 | 0.00% | −1,135−100.0% | Sold out |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 0 | $0 | 0.00% | −1,117−100.0% | Sold out |
| Legacy Wealth Asset Management, LLC | 0 | $0 | 0.00% | −1,113−100.0% | Sold out |
| Atria Investments LLC | 0 | $0 | 0.00% | −1,096−100.0% | Sold out |
| Portside Wealth Group, LLC | 0 | $0 | 0.00% | −1,069−100.0% | Sold out |
| Cambridge Investment Research Advisors, Inc. | 0 | $0 | 0.00% | −1,064−100.0% | Sold out |
| Claret Asset Management Corp | 0 | $0 | 0.00% | −1,059−100.0% | Sold out |
| Sym Financial Corp | 0 | $0 | 0.00% | −1,050−100.0% | Sold out |
| Atomi Financial Group, Inc. | 0 | $0 | 0.00% | −1,027−100.0% | Sold out |
| Patton Fund Management, Inc. | 0 | $0 | 0.00% | −1,005−100.0% | Sold out |
| waypoint wealth counsel | 0 | $0 | 0.00% | −1,003−100.0% | Sold out |
| Mount Yale Investment Advisors, LLC | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |
| Intrust Bank NA | 0 | $0 | 0.00% | −999−100.0% | Sold out |
| Fiduciary Trust Co | 0 | $0 | 0.00% | −997−100.0% | Sold out |
| Waddell & Associates, LLC | 0 | $0 | 0.00% | −997−100.0% | Sold out |
| Journey Strategic Wealth LLC | 0 | $0 | 0.00% | −976−100.0% | Sold out |
| HighPoint Advisor Group LLC | 0 | $0 | 0.00% | −974−100.0% | Sold out |
| Alliance Wealth Advisors, LLC | 0 | $0 | 0.00% | −941−100.0% | Sold out |
| Commerce Bank | 0 | $0 | 0.00% | −936−100.0% | Sold out |
| Bank of Nova Scotia Trust Co | 0 | $0 | 0.00% | −929−100.0% | Sold out |
| Landscape Capital Management, L.L.C. | 0 | $0 | 0.00% | −924−100.0% | Sold out |
| Transcend Wealth Collective, LLC | 0 | $0 | 0.00% | −912−100.0% | Sold out |
| Regions Financial Corp | 0 | $0 | 0.00% | −908−100.0% | Sold out |
| David Loasby | 0 | $0 | 0.00% | −970−100.0% | Sold out |
| Metis Global Partners, LLC | 0 | $0 | 0.00% | −896−100.0% | Sold out |
| MUFG Securities Americas Inc. | 0 | $0 | 0.00% | −831−100.0% | Sold out |
| Goodman Advisory Group, LLC | 0 | $0 | 0.00% | −705−100.0% | Sold out |
| Canada Post Corp Registered Pension Plan | 0 | $0 | 0.00% | −620−100.0% | Sold out |
| State of Wyoming | 0 | $0 | 0.00% | −580−100.0% | Sold out |
| Resona Asset Management Co.,Ltd. | 0 | $0 | 0.00% | −392−100.0% | Sold out |
| Ameritas Investment Partners, Inc. | 0 | $0 | 0.00% | −354−100.0% | Sold out |
| PEAK6 LLC | 0 | $0 | 0.00% | −295−100.0% | Sold out |
| Skopos Labs, Inc. | 0 | $0 | 0.00% | −243−100.0% | Sold out |
| Park Place Capital Corp | 0 | $0 | 0.00% | −236−100.0% | Sold out |
| Harbor Capital Advisors, Inc. | 0 | $0 | 0.00% | −225−100.0% | Sold out |
| Sentry Investment Management LLC | 0 | $0 | 0.00% | −130−100.0% | Sold out |
| MUFG Securities EMEA plc | 0 | $0 | 0.00% | −111−100.0% | Sold out |
| Newbridge Financial Services Group, Inc. | 0 | $0 | 0.00% | −94−100.0% | Sold out |
| Matrix Trust Co | 0 | $0 | 0.00% | −92−100.0% | Sold out |
| Bokf, NA | 0 | $0 | 0.00% | −74−100.0% | Sold out |
| Bryn Mawr Trust Co | 0 | $0 | 0.00% | −54−100.0% | Sold out |
| Accent Capital Management, LLC | 0 | $0 | 0.00% | −45−100.0% | Sold out |
| Clear Street Markets LLC | 0 | $0 | 0.00% | −25−100.0% | Sold out |
| ORG Partners LLC | 0 | $0 | 0.00% | −22−100.0% | Sold out |
| HHM Wealth Advisors, LLC | 0 | $0 | 0.00% | −19−100.0% | Sold out |
| Twin Peaks Wealth Advisors, LLC | 0 | $0 | 0.00% | −12−100.0% | Sold out |
| Kayne Anderson Rudnick Investment Management LLC | 0 | $0 | 0.00% | −9−100.0% | Sold out |
| Red Tortoise LLC | 0 | $0 | 0.00% | −9−100.0% | Sold out |
| Howard Hughes Medical Institute | 0 | $0 | 0.00% | −8−100.0% | Sold out |
| JFS Wealth Advisors, LLC | 0 | $0 | 0.00% | −7−100.0% | Sold out |
| UMA Financial Services, Inc. | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| SJS Investment Consulting Inc. | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Stephens Consulting, LLC | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Clark Wealth Partners | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| WestEnd Advisors, LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| AdvisorNet Financial, Inc | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| LGT Financial Advisors LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Y.D. More Investments Ltd | 0 | $0 | 0.00% | −36−100.0% | Sold out |
| Norges Bank | – | – | – | – | Not filed |
| Congress Wealth Management LLC | – | – | – | – | Not filed |
| CIBC World Markets Corp | – | – | – | – | Not filed |
| Exchange Capital Management, Inc. | – | – | – | – | Not filed |
| Forte Capital LLC | – | – | – | – | Not filed |
| First Horizon Advisors, Inc. | – | – | – | – | Not filed |
| Parkworth Wealth Management, Inc. | – | – | – | – | Not filed |