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 2021
Institutional positions in Marketaxess Holdings Inc as of Sep 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
- 508
- −37 vs. Q2 2021
- Shares held
- 36.5M
- +431.1K (+1.2%) vs. Q2 2021
- Total value
- $15.3B
- −$1.35B (−8.1%) vs. Q2 2021
- New holders
- 30
- 195 more added
- Sold out
- 67
- 197 more reduced
6 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2021
Shares, value and share of portfolio for each institution holding Marketaxess Holdings Inc; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Guardcap Asset Management Ltd | 1,183,401 | $497.8M | 6.86% | +666,218+128.8% | Added |
| Wells Fargo & Company | 1,215,901 | $511.5M | 0.12% | −84,729−6.5% | Reduced |
| Ownership Capital B.V. | 1,237,192 | $520.5M | 5.90% | −70,486−5.4% | Reduced |
| Baillie Gifford & Co | 1,754,514 | $738.1M | 0.39% | −20,117−1.1% | Reduced |
| State Street Corp | 1,817,471 | $764.6M | 0.04% | +30,882+1.7% | Added |
| BlackRock Inc. | 3,509,477 | $1.48B | 0.04% | −35,424−1.0% | Reduced |
| Price T Rowe Associates Inc | 3,660,311 | $1.54B | 0.15% | +71,583+2.0% | Added |
| Vanguard Group Inc | 4,136,237 | $1.74B | 0.04% | +38,779+0.9% | Added |
| Arrowstreet Capital, Limited Partnership | 0 | $0 | 0.00% | −55,977−100.0% | Sold out |
| Nan Shan Life Insurance Co., Ltd. | 0 | $0 | 0.00% | −51,800−100.0% | Sold out |
| Islet Management, LP | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| Marshall Wace North America L.P. | 0 | $0 | 0.00% | −40,264−100.0% | Sold out |
| Capital International Investors | 0 | $0 | 0.00% | −29,200−100.0% | Sold out |
| Pinebridge Investments, L.P. | 0 | $0 | 0.00% | −18,696−100.0% | Sold out |
| Stanley-Laman Group, Ltd. | 0 | $0 | 0.00% | −14,054−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −13,520−100.0% | Sold out |
| MUFG Securities EMEA plc | 0 | $0 | 0.00% | −12,000−100.0% | Sold out |
| AE Wealth Management LLC | 0 | $0 | 0.00% | −10,525−100.0% | Sold out |
| Jag Capital Management, LLC | 0 | $0 | 0.00% | −8,831−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −8,116−100.0% | Sold out |
| Ossiam | 0 | $0 | 0.00% | −6,948−100.0% | Sold out |
| Worldquant Millennium Advisors LLC | 0 | $0 | 0.00% | −6,016−100.0% | Sold out |
| Robeco Institutional Asset Management B.V. | 0 | $0 | 0.00% | −4,428−100.0% | Sold out |
| Catalyst Capital Advisors LLC | 0 | $0 | 0.00% | −3,280−100.0% | Sold out |
| Aigen Investment Management, LP | 0 | $0 | 0.00% | −3,053−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −2,228−100.0% | Sold out |
| Magnetar Financial LLC | 0 | $0 | 0.00% | −2,100−100.0% | Sold out |
| Citizens Financial Group Inc | 0 | $0 | 0.00% | −2,080−100.0% | Sold out |
| Algert Global LLC | 0 | $0 | 0.00% | −2,074−100.0% | Sold out |
| Oak Ridge Investments LLC | 0 | $0 | 0.00% | −1,769−100.0% | Sold out |
| PDT Partners, LLC | 0 | $0 | 0.00% | −1,719−100.0% | Sold out |
| First Foundation Advisors | 0 | $0 | 0.00% | −1,658−100.0% | Sold out |
| Rational Advisors LLC | 0 | $0 | 0.00% | −1,605−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −1,481−100.0% | Sold out |
| BIT Capital GmbH | 0 | $0 | 0.00% | −1,260−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −1,090−100.0% | Sold out |
| Exchange Traded Concepts, LLC | 0 | $0 | 0.00% | −1,083−100.0% | Sold out |
| Stevens Capital Management LP | 0 | $0 | 0.00% | −998−100.0% | Sold out |
| Bridgefront Capital, LLC | 0 | $0 | 0.00% | −997−100.0% | Sold out |
| Everence Capital Management Inc | 0 | $0 | 0.00% | −960−100.0% | Sold out |
| BP PLC | 0 | $0 | 0.00% | −916−100.0% | Sold out |
| Summit Global Investments | 0 | $0 | 0.00% | −898−100.0% | Sold out |
| Charles Schwab Investment Advisory, Inc. | 0 | $0 | 0.00% | −907−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −827−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −754−100.0% | Sold out |
| Blueshift Asset Management, LLC | 0 | $0 | 0.00% | −680−100.0% | Sold out |
| Alps Advisors Inc | 0 | $0 | 0.00% | −655−100.0% | Sold out |
| Castleark Management LLC | 0 | $0 | 0.00% | −570−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −535−100.0% | Sold out |
| HBK Sorce Advisory LLC | 0 | $0 | 0.00% | −499−100.0% | Sold out |
| Chesapeake Wealth Management | 0 | $0 | 0.00% | −493−100.0% | Sold out |
| V Wealth Advisors LLC | 0 | $0 | 0.00% | −465−100.0% | Sold out |
| Conning Inc. | 0 | $0 | 0.00% | −452−100.0% | Sold out |
| Ontario Teachers Pension Plan Board | 0 | $0 | 0.00% | −453−100.0% | Sold out |
| JSF Financial, LLC | 0 | $0 | 0.00% | −439−100.0% | Sold out |
| Cetera Advisor Networks LLC | 0 | $0 | 0.00% | −435−100.0% | Sold out |
| Strategic Blueprint, LLC | 0 | $0 | 0.00% | −262−100.0% | Sold out |
| Anfield Capital Management, LLC | 0 | $0 | 0.00% | −240−100.0% | Sold out |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −147−100.0% | Sold out |
| CVA Family Office, LLC | 0 | $0 | 0.00% | −131−100.0% | Sold out |
| Canada Pension Plan Investment Board | 0 | $0 | 0.00% | −102−100.0% | Sold out |
| Heritage Wealth Advisors | 0 | $0 | 0.00% | −94−100.0% | Sold out |
| KB Financial Partners, LLC | 0 | $0 | 0.00% | −74−100.0% | Sold out |
| Lloyd Advisory Services, LLC. | 0 | $0 | 0.00% | −72−100.0% | Sold out |
| Jacobi Capital Management LLC | 0 | $0 | 0.00% | −51−100.0% | Sold out |
| SkyView Investment Advisors, LLC | 0 | $0 | 0.00% | −29−100.0% | Sold out |
| SRS Capital Advisors, Inc. | 0 | $0 | 0.00% | −21−100.0% | Sold out |
| Carolinas Wealth Consulting LLC | 0 | $0 | 0.00% | −18−100.0% | Sold out |
| Enterprise Financial Services Corp | 0 | $0 | 0.00% | −7−100.0% | Sold out |
| Standard Family Office LLC | 0 | $0 | 0.00% | −4−100.0% | Sold out |
| Better Money Decisions, LLC | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| Patriot Financial Group Insurance Agency, LLC | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Kelly Financial Services LLC | 0 | $0 | 0.00% | −14,838−100.0% | Sold out |
| Private Ocean, LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Harel Insurance Investments & Financial Services Ltd. | 0 | $0 | 0.00% | −239−100.0% | Sold out |
| Marathon Asset Management LLP | – | – | – | – | Not filed |
| Pictet Asset Management Ltd | – | – | – | – | Not filed |
| CWM, LLC | – | – | – | – | Not filed |
| GoalVest Advisory LLC | – | – | – | – | Not filed |
| Castleview Partners, LLC | – | – | – | – | Not filed |
| First Horizon Corp | – | – | – | – | Not filed |