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, Q1 2025
Institutional positions in Marketaxess Holdings Inc as of Mar 31, 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
- 511
- −1 vs. Q4 2024
- Shares held
- 37.2M
- −317.9K (−0.8%) vs. Q4 2024
- Total value
- $8.05B
- −$431.1M (−5.1%) vs. Q4 2024
- New holders
- 80
- 200 more added
- Sold out
- 81
- 179 more reduced
7 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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, Q1 2025
Shares, value and share of portfolio for each institution holding Marketaxess Holdings Inc; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 4,407,136 | $953.5M | 0.02% | −27,810−0.6% | Reduced |
| BlackRock, Inc. | 2,605,396 | $563.7M | 0.01% | −558,489−17.7% | Reduced |
| T. Rowe Price Investment Management, Inc. | 2,323,015 | $502.6M | 0.33% | +24,606+1.1% | Added |
| FMR LLC | 2,189,916 | $473.8M | 0.03% | −110,620−4.8% | Reduced |
| Van Eck Associates Corp | 2,005,916 | $434.0M | 0.56% | +5,180+0.3% | Added |
| Guardcap Asset Management Ltd | 1,523,006 | $329.5M | 6.38% | −240,202−13.6% | Reduced |
| State Street Corp | 1,465,406 | $317.0M | 0.01% | −164,105−10.1% | Reduced |
| Primecap Management Co | 1,361,512 | $294.6M | 0.24% | −7,590−0.6% | Reduced |
| Geode Capital Management, LLC | 1,134,750 | $245.2M | 0.02% | +21,442+1.9% | Added |
| Invesco Ltd. | 904,203 | $195.6M | 0.04% | −140,157−13.4% | Reduced |
| Wasatch Advisors Inc | 688,048 | $148.9M | 0.83% | +149,327+27.7% | Added |
| Findlay Park Partners LLP | 680,000 | $147.1M | 1.51% | +9,100+1.4% | Added |
| Millennium Management LLC | 618,922 | $133.9M | 0.13% | +474,776+329.4% | Added |
| Macquarie Group Ltd | 612,747 | $132.6M | 0.16% | −107,545−14.9% | Reduced |
| Norges Bank | 507,346 | $109.8M | 0.02% | −19,528−3.7% | Reduced |
| Citadel Advisors LLC | 474,345 | $102.6M | 0.10% | +373,757+371.6% | Added |
| Dimensional Fund Advisors LP | 470,760 | $101.8M | 0.03% | +72,893+18.3% | Added |
| JPMorgan Chase & Co | 445,289 | $96.3M | 0.01% | −185,237−29.4% | Reduced |
| Two Sigma Investments, LP | 430,522 | $93.1M | 0.20% | +142,203+49.3% | Added |
| Burgundy Asset Management Ltd. | 402,511 | $87.1M | 0.90% | +158,240+64.8% | Added |
| Bank of New York Mellon Corp | 389,054 | $84.2M | 0.02% | −51,880−11.8% | Reduced |
| Charles Schwab Investment Management Inc | 372,468 | $80.6M | 0.02% | +9,244+2.5% | Added |
| North Reef Capital Management LP | 360,000 | $77.9M | 3.37% | +88,682+32.7% | Added |
| Marshall Wace, LLP | 358,332 | $77.5M | 0.10% | −123,099−25.6% | Reduced |
| Congress Asset Management Co | 341,738 | $73.9M | 0.55% | +27,177+8.6% | Added |
| Two Sigma Advisers, LP | 329,400 | $71.3M | 0.16% | +96,300+41.3% | Added |
| Morgan Stanley | 314,549 | $68.1M | 0.00% | −21,220−6.3% | Reduced |
| Northern Trust Corp | 304,334 | $65.8M | 0.01% | −66,519−17.9% | Reduced |
| UBS Group AG | 262,765 | $56.8M | 0.01% | +66,986+34.2% | Added |
| Holocene Advisors, LP | 250,642 | $54.2M | 0.16% | +250,642 | New |
| Bank of America Corp | 230,588 | $49.9M | 0.00% | +93,270+67.9% | Added |
| NFJ Investment Group, LLC | 229,763 | $49.7M | 1.67% | +108,219+89.0% | Added |
| Baird Financial Group, Inc. | 228,856 | $49.5M | 0.10% | +15,921+7.5% | Added |
| American Century Companies Inc | 222,342 | $48.1M | 0.03% | +202,121+999.6% | Added |
| Baillie Gifford & Co | 221,240 | $47.9M | 0.04% | −81,960−27.0% | Reduced |
| Raymond James Financial Inc | 201,022 | $43.5M | 0.02% | −2,832−1.4% | Reduced |
| Assenagon Asset Management S.A. | 186,569 | $40.4M | 0.07% | +138,191+285.6% | Added |
| TD Asset Management Inc | 184,904 | $40.0M | 0.04% | −245−0.1% | Reduced |
| Deutsche Bank AG | 174,265 | $37.7M | 0.01% | −90,607−34.2% | Reduced |
| Walleye Capital LLC | 160,052 | $34.6M | 0.38% | +57,625+56.3% | Added |
| Bank of Montreal | 156,315 | $33.8M | 0.02% | +108,298+225.5% | Added |
| GW&K Investment Management, LLC | 142,374 | $30.8M | 0.29% | −269−0.2% | Reduced |
| UBS Asset Management Americas Inc | 141,134 | $30.5M | 0.01% | −153,516−52.1% | Reduced |
| Amundi | 137,620 | $29.7M | 0.01% | −67,490−32.9% | Reduced |
| Goldman Sachs Group Inc | 133,769 | $28.9M | 0.01% | −50,272−27.3% | Reduced |
| AQR Capital Management LLC | 129,508 | $28.0M | 0.03% | +35,303+37.5% | Added |
| Renaissance Technologies LLC | 129,500 | $28.0M | 0.04% | −98,380−43.2% | Reduced |
| Barclays PLC | 129,116 | $27.9M | 0.01% | +365+0.3% | Added |
| SEI Investments Co | 127,636 | $27.6M | 0.04% | +22,850+21.8% | Added |
| Nuveen, LLC | 123,808 | $26.8M | 0.01% | +123,808 | New |
| Savant Capital, LLC | 115,994 | $25.1M | 0.21% | −3,803−3.2% | Reduced |
| Janus Henderson Group PLC | 115,676 | $25.1M | 0.01% | +71,966+164.6% | Added |
| D. E. Shaw & Co., Inc. | 112,480 | $24.3M | 0.03% | +98,349+696.0% | Added |
| Schroder Investment Management Group | 111,918 | $24.3M | 0.02% | +19,782+21.5% | Added |
| Balyasny Asset Management LLC | 108,140 | $23.4M | 0.06% | −104,023−49.0% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 101,218 | $21.9M | 0.10% | +78,606+347.6% | Added |
| Ossiam | 98,000 | $21.2M | 0.30% | +98,000 | New |
| Jackson Square Partners, LLC | 97,715 | $21.1M | 2.84% | −19,696−16.8% | Reduced |
| Jane Street Group, LLC | 94,523 | $20.5M | 0.04% | +83,638+768.4% | Added |
| Arrowstreet Capital, Limited Partnership | 88,922 | $19.2M | 0.02% | +5,254+6.3% | Added |
| Westwood Holdings Group Inc. | 87,634 | $19.0M | 0.14% | +36,993+73.0% | Added |
| BNP Paribas Arbitrage, SA | 81,312 | $17.6M | 0.01% | −20,130−19.8% | Reduced |
| HSBC Holdings PLC | 81,086 | $17.6M | 0.01% | −151,848−65.2% | Reduced |
| Sone Capital Management, LLC | 80,913 | $17.5M | 1.80% | +38,240+89.6% | Added |
| Kodai Capital Management LP | 77,944 | $16.9M | 0.67% | −59,147−43.1% | Reduced |
| Rhumbline Advisers | 74,484 | $16.1M | 0.02% | −1,416−1.9% | Reduced |
| Swiss National Bank | 73,100 | $15.8M | 0.01% | +73,100 | New |
| Goodman Financial Corp | 72,820 | $15.8M | 3.40% | +72,820 | New |
| Squarepoint Ops LLC | 72,138 | $15.6M | 0.04% | +51,895+256.4% | Added |
| Legal & General Group Plc | 67,355 | $14.6M | 0.00% | −49,925−42.6% | Reduced |
| California Public Employees Retirement System | 63,464 | $13.7M | 0.01% | +859+1.4% | Added |
| Public Employees Retirement Association of Colorado | 63,186 | $13.7M | 0.06% | 00.0% | Unchanged |
| Wilson Asset Management (International) Pty Ltd | 60,492 | $13.1M | 3.50% | +12,697+26.6% | Added |
| Price T Rowe Associates Inc | 59,404 | $12.9M | 0.00% | −3,631−5.8% | Reduced |
| Robeco Institutional Asset Management B.V. | 59,315 | $12.8M | 0.02% | −23,745−28.6% | Reduced |
| Los Angeles Capital Management LLC | 59,214 | $12.8M | 0.06% | +5,240+9.7% | Added |
| Envestnet Asset Management Inc | 58,116 | $12.6M | 0.00% | −145,814−71.5% | Reduced |
| Canada Pension Plan Investment Board | 51,689 | $11.2M | 0.01% | +2,000+4.0% | Added |
| Citigroup Inc | 49,941 | $10.8M | 0.01% | +1,886+3.9% | Added |
| ExodusPoint Capital Management, LP | 48,202 | $10.4M | 0.14% | +46,076+2,167.3% | Added |
| Alps Advisors Inc | 47,040 | $10.2M | 0.06% | +3,358+7.7% | Added |
| Gillson Capital LP | 46,999 | $10.2M | 0.87% | +46,999 | New |
| Schonfeld Strategic Advisors LLC | 46,672 | $10.1M | 0.07% | +23,766+103.8% | Added |
| Kornitzer Capital Management Inc | 45,278 | $9.80M | 0.20% | −140−0.3% | Reduced |
| Man Group plc | 44,875 | $9.71M | 0.03% | −16,543−26.9% | Reduced |
| Prana Capital Management, LP | 44,411 | $9.61M | 0.39% | +10,889+32.5% | Added |
| HRT Financial LP | 44,026 | $9.53M | 0.06% | +39,851+954.5% | Added |
| Principal Financial Group Inc | 43,813 | $9.48M | 0.01% | −2,889−6.2% | Reduced |
| Kingsview Wealth Management, LLC | 42,387 | $9.17M | 0.17% | +5,417+14.7% | Added |
| Bahl & Gaynor Inc | 40,149 | $8.69M | 0.04% | −1,936−4.6% | Reduced |
| Royal Bank of Canada | 39,930 | $8.64M | 0.00% | −13,077−24.7% | Reduced |
| Alliancebernstein L.P. | 38,550 | $8.34M | 0.00% | −147−0.4% | Reduced |
| Congress Wealth Management LLC | 38,296 | $8.29M | 0.10% | +8,331+27.8% | Added |
| Algert Global LLC | 38,108 | $8.24M | 0.20% | +28,408+292.9% | Added |
| ICICI Prudential Asset Management Co Ltd | 37,889 | $8.20M | 1.07% | 00.0% | Unchanged |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 37,357 | $8.08M | 0.01% | −22,296−37.4% | Reduced |
| Norris Perne & French LLP | 36,744 | $7.95M | 0.60% | +814+2.3% | Added |
| California State Teachers Retirement System | 35,971 | $7.78M | 0.01% | −22,040−38.0% | Reduced |
| State of Wisconsin Investment Board | 35,011 | $7.57M | 0.02% | +6,253+21.7% | Added |
| State Board of Administration of Florida Retirement System | 34,852 | $7.54M | 0.01% | −2,138−5.8% | Reduced |