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 2025
Institutional positions in Marketaxess Holdings Inc as of Jun 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
- 531
- +27 vs. Q1 2025
- Shares held
- 36.9M
- −208.8K (−0.6%) vs. Q1 2025
- Total value
- $8.24B
- +$209.3M (+2.6%) vs. Q1 2025
- New holders
- 85
- 229 more added
- Sold out
- 58
- 159 more reduced
7 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2025
Shares, value and share of portfolio for each institution holding Marketaxess Holdings Inc; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Geneva Capital Management LLC | 23,969 | $5.35M | 0.09% | +5,282+28.3% | Added |
| Grandeur Peak Global Advisors, LLC | 24,546 | $5.48M | 0.66% | −4,075−14.2% | Reduced |
| Lombard Odier Asset Management (Europe) Ltd | 24,750 | $5.53M | 0.40% | +24,750 | New |
| Caisse de Depot Et Placement du Quebec | 25,267 | $5.64M | 0.01% | +15,867+168.8% | Added |
| Toronto Dominion Bank | 25,465 | $5.69M | 0.01% | +5,508+27.6% | Added |
| Stifel Financial Corp | 25,523 | $5.70M | 0.01% | +18,164+246.8% | Added |
| Guardian Capital LP | 26,300 | $5.87M | 0.21% | 00.0% | Unchanged |
| Cerity Partners LLC | 28,041 | $6.26M | 0.01% | +19,211+217.6% | Added |
| Manufacturers Life Insurance Company, The | 28,897 | $6.45M | 0.01% | −803−2.7% | Reduced |
| Hantz Financial Services, Inc. | 29,239 | $6.53M | 0.11% | −3,767−11.4% | Reduced |
| New York State Teachers Retirement System | 29,493 | $6.59M | 0.01% | −30.0% | Reduced |
| Teacher Retirement System of Texas | 29,558 | $6.60M | 0.03% | +314+1.1% | Added |
| Susquehanna International Group, LLP | 30,150 | $6.73M | 0.01% | +12,488+70.7% | Added |
| Prana Capital Management, LP | 30,815 | $6.88M | 0.25% | −13,596−30.6% | Reduced |
| Congress Wealth Management LLC | 31,389 | $7.01M | 0.07% | −6,907−18.0% | Reduced |
| SG Americas Securities, LLC | 31,787 | $7.10M | 0.03% | +23,577+287.2% | Added |
| Magnetar Financial LLC | 31,881 | $7.12M | 0.03% | +23,674+288.5% | Added |
| Interval Partners, LP | 32,114 | $7.17M | 0.16% | +10,838+50.9% | Added |
| Aquatic Capital Management LLC | 32,447 | $7.25M | 0.15% | +6,483+25.0% | Added |
| Schonfeld Strategic Advisors LLC | 32,867 | $7.34M | 0.06% | −13,805−29.6% | Reduced |
| Bank of Montreal | 33,050 | $7.38M | 0.00% | −123,265−78.9% | Reduced |
| Intech Investment Management LLC | 33,543 | $7.49M | 0.07% | +26,465+373.9% | Added |
| National Bank of Canada | 33,702 | $7.53M | 0.01% | +4,010+13.5% | Added |
| Envestnet Portfolio Solutions, Inc. | 34,020 | $7.60M | 0.03% | +10,594+45.2% | Added |
| Twinbeech Capital LP | 34,216 | $7.64M | 0.17% | +34,216 | New |
| Adage Capital Partners GP, L.L.C. | 34,350 | $7.67M | 0.01% | +9,900+40.5% | Added |
| First Citizens Bank & Trust Co | 35,700 | $7.97M | 0.14% | +11,029+44.7% | Added |
| California State Teachers Retirement System | 35,971 | $8.03M | 0.01% | 00.0% | Unchanged |
| Wasatch Advisors Inc | 36,532 | $8.16M | 0.04% | −651,516−94.7% | Reduced |
| State Board of Administration of Florida Retirement System | 36,876 | $8.24M | 0.01% | +2,024+5.8% | Added |
| Norris Perne & French LLP | 36,939 | $8.25M | 0.57% | +195+0.5% | Added |
| Bahl & Gaynor Inc | 37,707 | $8.42M | 0.04% | −2,442−6.1% | Reduced |
| ICICI Prudential Asset Management Co Ltd | 37,889 | $8.46M | 1.05% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 38,068 | $8.50M | 0.00% | −482−1.3% | Reduced |
| Sone Capital Management, LLC | 38,603 | $8.62M | 0.80% | −42,310−52.3% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 39,054 | $8.72M | 0.01% | +1,697+4.5% | Added |
| State of Wisconsin Investment Board | 39,980 | $8.93M | 0.02% | +4,969+14.2% | Added |
| Ossiam | 40,000 | $8.93M | 0.10% | −58,000−59.2% | Reduced |
| Algert Global LLC | 40,487 | $9.04M | 0.19% | +2,379+6.2% | Added |
| Kingsview Wealth Management, LLC | 41,402 | $9.25M | 0.16% | −985−2.3% | Reduced |
| Engineers Gate Manager LP | 45,188 | $10.1M | 0.13% | +24,437+117.8% | Added |
| Kornitzer Capital Management Inc | 45,246 | $10.1M | 0.20% | −32−0.1% | Reduced |
| DF Dent & Co Inc | 46,126 | $10.3M | 0.13% | +46,126 | New |
| Alps Advisors Inc | 46,710 | $10.4M | 0.06% | −330−0.7% | Reduced |
| Citigroup Inc | 48,248 | $10.8M | 0.01% | −1,693−3.4% | Reduced |
| Trexquant Investment LP | 49,416 | $11.0M | 0.12% | +27,313+123.6% | Added |
| Candriam Luxembourg S.C.A. | 50,000 | $11.2M | 0.06% | +50,000 | New |
| Principal Financial Group Inc | 51,597 | $11.5M | 0.01% | +7,784+17.8% | Added |
| Capital Fund Management S.A. | 53,392 | $11.9M | 0.13% | +36,397+214.2% | Added |
| HRT Financial LP | 55,315 | $12.4M | 0.05% | +11,289+25.6% | Added |
| Point72 Asset Management, L.P. | 55,468 | $12.4M | 0.03% | +55,468 | New |
| Los Angeles Capital Management LLC | 56,423 | $12.6M | 0.05% | −2,791−4.7% | Reduced |
| Cubist Systematic Strategies, LLC | 58,044 | $13.0M | 0.14% | +58,044 | New |
| HSBC Holdings PLC | 58,450 | $13.0M | 0.01% | −22,636−27.9% | Reduced |
| Price T Rowe Associates Inc | 59,478 | $13.3M | 0.00% | +74+0.1% | Added |
| Natixis | 59,752 | $13.3M | 0.07% | +45,653+323.8% | Added |
| Wilson Asset Management (International) Pty Ltd | 60,492 | $13.5M | 3.32% | 00.0% | Unchanged |
| Verition Fund Management LLC | 61,457 | $13.7M | 0.08% | +47,762+348.8% | Added |
| Ieq Capital, LLC | 61,635 | $13.8M | 0.08% | +49,978+428.7% | Added |
| Envestnet Asset Management Inc | 61,657 | $13.8M | 0.00% | +3,541+6.1% | Added |
| Public Employees Retirement Association of Colorado | 63,119 | $14.1M | 0.05% | −67−0.1% | Reduced |
| SEI Investments Co | 63,180 | $14.1M | 0.02% | −64,456−50.5% | Reduced |
| Voloridge Investment Management, LLC | 69,026 | $15.4M | 0.06% | +49,542+254.3% | Added |
| Swiss National Bank | 72,000 | $16.1M | 0.01% | −1,100−1.5% | Reduced |
| Goodman Financial Corp | 73,430 | $16.4M | 3.30% | +610+0.8% | Added |
| Robeco Institutional Asset Management B.V. | 75,000 | $16.8M | 0.03% | +15,685+26.4% | Added |
| Holocene Advisors, LP | 76,574 | $17.1M | 0.04% | −174,068−69.4% | Reduced |
| Legal & General Group Plc | 76,823 | $17.2M | 0.00% | +9,468+14.1% | Added |
| Rhumbline Advisers | 77,034 | $17.2M | 0.01% | +2,550+3.4% | Added |
| Canada Pension Plan Investment Board | 81,289 | $18.2M | 0.02% | +29,600+57.3% | Added |
| Schroder Investment Management Group | 83,019 | $18.5M | 0.02% | −28,899−25.8% | Reduced |
| Westwood Holdings Group Inc. | 83,495 | $18.6M | 0.13% | −4,139−4.7% | Reduced |
| BNP Paribas Arbitrage, SA | 85,415 | $19.1M | 0.01% | +4,103+5.0% | Added |
| Qube Research & Technologies Ltd | 89,781 | $20.1M | 0.03% | +65,281+266.5% | Added |
| Man Group plc | 90,745 | $20.3M | 0.04% | +45,870+102.2% | Added |
| Tudor Investment Corp Et Al | 93,154 | $20.8M | 0.16% | +93,154 | New |
| Jane Street Group, LLC | 96,779 | $21.6M | 0.03% | +2,256+2.4% | Added |
| Prudential Financial Inc | 98,271 | $21.9M | 0.03% | +78,336+393.0% | Added |
| Bank of Nova Scotia | 108,481 | $24.2M | 0.05% | +91,419+535.8% | Added |
| RDST Capital LLC | 109,005 | $24.3M | 2.43% | +74,780+218.5% | Added |
| Savant Capital, LLC | 116,266 | $26.0M | 0.19% | +272+0.2% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 118,231 | $26.4M | 0.09% | +17,013+16.8% | Added |
| California Public Employees Retirement System | 120,647 | $26.9M | 0.02% | +57,183+90.1% | Added |
| Goldman Sachs Group Inc | 126,349 | $28.2M | 0.00% | −7,420−5.5% | Reduced |
| Janus Henderson Group PLC | 136,037 | $30.4M | 0.01% | +20,361+17.6% | Added |
| Barclays PLC | 140,080 | $31.3M | 0.01% | +10,964+8.5% | Added |
| GW&K Investment Management, LLC | 144,016 | $32.2M | 0.29% | +1,642+1.2% | Added |
| Deutsche Bank AG | 154,214 | $34.4M | 0.01% | −20,051−11.5% | Reduced |
| Nuveen, LLC | 159,167 | $35.5M | 0.01% | +35,359+28.6% | Added |
| D. E. Shaw & Co., Inc. | 168,898 | $37.7M | 0.04% | +56,418+50.2% | Added |
| Assenagon Asset Management S.A. | 173,892 | $38.8M | 0.06% | −12,677−6.8% | Reduced |
| TD Asset Management Inc | 175,396 | $39.2M | 0.03% | −9,508−5.1% | Reduced |
| UBS Asset Management Americas Inc | 184,235 | $41.1M | 0.01% | +43,101+30.5% | Added |
| Baillie Gifford & Co | 186,689 | $41.7M | 0.03% | −34,551−15.6% | Reduced |
| Renaissance Technologies LLC | 190,600 | $42.6M | 0.06% | +61,100+47.2% | Added |
| Raymond James Financial Inc | 194,466 | $43.4M | 0.01% | −6,556−3.3% | Reduced |
| Walleye Capital LLC | 195,327 | $43.6M | 0.40% | +35,275+22.0% | Added |
| Royal Bank of Canada | 196,608 | $43.9M | 0.01% | +156,678+392.4% | Added |
| UBS Group AG | 202,467 | $45.2M | 0.01% | −60,298−22.9% | Reduced |
| NFJ Investment Group, LLC | 211,107 | $47.1M | 1.65% | −18,656−8.1% | Reduced |