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 |
|---|---|---|---|---|---|
| MYDA Advisors LLC | 1,515 | $264.0K | 0.08% | +1,515 | New |
| Two Sigma Securities, LLC | 1,471 | $256.3K | 0.04% | +1,471 | New |
| Truist Financial Corp | 1,431 | $249.3K | 0.00% | −7,207−83.4% | Reduced |
| Clear Creek Financial Management, LLC | 1,394 | $242.9K | 0.02% | −19−1.3% | Reduced |
| Omers Administration Corp | 1,390 | $242.2K | 0.00% | 00.0% | Unchanged |
| O'Shaughnessy Asset Management, LLC | 1,379 | $240.3K | 0.00% | −2,689−66.1% | Reduced |
| Retirement Planning Co of New England, Inc. | 1,377 | $240.0K | 0.10% | −70−4.8% | Reduced |
| Empirical Finance, LLC | 1,356 | $236.3K | 0.01% | +10+0.7% | Added |
| Parvin Asset Management, LLC | 1,350 | $235.2K | 0.21% | +1,325+5,300.0% | Added |
| Crossmark Global Holdings, Inc. | 1,337 | $233.0K | 0.00% | −118−8.1% | Reduced |
| XTX Topco Ltd | 1,323 | $230.5K | 0.01% | −554−29.5% | Reduced |
| Cetera Investment Advisers | 1,290 | $224.8K | 0.00% | −299−18.8% | Reduced |
| Empowered Funds, LLC | 1,282 | $223.4K | 0.00% | +58+4.7% | Added |
| Savvy Advisors, Inc. | 1,278 | $222.7K | 0.01% | +1,278 | New |
| Guardian Partners Inc. | 1,300 | $222.1K | 0.02% | −25−1.9% | Reduced |
| GWM Advisors LLC | 1,238 | $215.9K | 0.00% | +1,220+6,777.8% | Added |
| Capstone Investment Advisors, LLC | 1,233 | $214.8K | 0.00% | +1,233 | New |
| Chicago Partners Investment Group LLC | 1,312 | $214.4K | 0.01% | +239+22.3% | Added |
| Pensionmark Financial Group, LLC | 1,219 | $212.4K | 0.00% | −235−16.2% | Reduced |
| Credit Capital Investments LLC | 1,200 | $209.1K | 0.23% | +1,200 | New |
| HighTower Advisors, LLC | 1,155 | $201.3K | 0.00% | −803−41.0% | Reduced |
| Financiere des Professionnels - Fonds d,investissement inc. | 1,154 | $201.1K | 0.01% | +1,154 | New |
| Ci Investments Inc. | 1,142 | $199.0K | 0.00% | −108−8.6% | Reduced |
| Daiwa Securities Group Inc. | 1,100 | $192.0K | 0.00% | −2,569−70.0% | Reduced |
| GAMMA Investing LLC | 1,096 | $191.0K | 0.01% | −889−44.8% | Reduced |
| Quadrant Capital Group LLC | 992 | $172.9K | 0.01% | −661−40.0% | Reduced |
| Aster Capital Management (DIFC) Ltd | 976 | $170.1K | 0.09% | +976 | New |
| South Dakota Investment Council | 950 | $166.0K | 0.00% | 00.0% | Unchanged |
| KBC Group NV | 943 | $164.0K | 0.00% | 00.0% | Unchanged |
| STRS Ohio | 872 | $151.9K | 0.00% | +1+0.1% | Added |
| Quarry LP | 715 | $124.6K | 0.03% | −1,691−70.3% | Reduced |
| Asset Management One Co.,Ltd. | 708 | $123.4K | 0.00% | −1,315−65.0% | Reduced |
| Covestor Ltd | 653 | $114.0K | 0.06% | +118+22.1% | Added |
| EverSource Wealth Advisors, LLC | 643 | $112.0K | 0.00% | −611−48.7% | Reduced |
| Rexford Capital Inc | 614 | $107.0K | 0.08% | 00.0% | Unchanged |
| MetLife Investment Management | 608 | $105.9K | 0.00% | −8,930−93.6% | Reduced |
| Northwestern Mutual Wealth Management Co | 607 | $105.8K | 0.00% | −415−40.6% | Reduced |
| Group One Trading, L.P. | 547 | $95.3K | 0.00% | +547 | New |
| Tower Research Capital LLC (TRC) | 532 | $92.7K | 0.00% | −678−56.0% | Reduced |
| Caitong International Asset Management Co., Ltd | 486 | $84.7K | 0.06% | +431+783.6% | Added |
| IFP Advisors, Inc | 470 | $81.9K | 0.00% | −117−19.9% | Reduced |
| Mather Group, LLC. | 458 | $79.8K | 0.00% | +458 | New |
| CX Institutional | 445 | $78.0K | 0.00% | −272−37.9% | Reduced |
| Clearstead Advisors, LLC | 442 | $77.1K | 0.00% | +109+32.7% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 855 | $74.0K | 0.00% | −621−42.1% | Reduced |
| Allworth Financial LP | 401 | $69.9K | 0.00% | +91+29.4% | Added |
| Anchor Investment Management, LLC | 376 | $65.5K | 0.01% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 368 | $64.1K | 0.00% | −312−45.9% | Reduced |
| Ronald Blue Trust, Inc. | 355 | $61.9K | 0.00% | +257+262.2% | Added |
| Colonial Trust Co | 351 | $61.2K | 0.01% | 00.0% | Unchanged |
| Hantz Financial Services, Inc. | 327 | $57.0K | 0.00% | −28,912−98.9% | Reduced |
| Signaturefd, LLC | 315 | $54.9K | 0.00% | −231−42.3% | Reduced |
| Federated Hermes, Inc. | 311 | $54.2K | 0.00% | −560−64.3% | Reduced |
| Employees Retirement System of Texas | 311 | $54.0K | 0.00% | 00.0% | Unchanged |
| Umb Bank N A | 308 | $53.7K | 0.00% | +42+15.8% | Added |
| Salomon & Ludwin, LLC | 280 | $52.7K | 0.00% | +280 | New |
| Abich Financial Wealth Management LLC | 246 | $42.9K | 0.02% | +246 | New |
| Stance Capital LLC | 242 | $42.2K | 0.02% | +242 | New |
| Steward Partners Investment Advisory, LLC | 226 | $39.4K | 0.00% | +155+218.3% | Added |
| Pilgrim Partners Asia Pte Ltd | 220 | $38.3K | 0.02% | +220 | New |
| Generali Asset Management SPA SGR | 214 | $37.3K | 0.00% | +56+35.4% | Added |
| Strategic Wealth Partners, Ltd. | 200 | $34.9K | 0.00% | +200 | New |
| Amica Retiree Medical Trust | 194 | $34.0K | 0.05% | 00.0% | Unchanged |
| Huntington National Bank | 179 | $31.2K | 0.00% | −48−21.1% | Reduced |
| Farther Finance Advisors, LLC | 175 | $30.5K | 0.00% | +14+8.7% | Added |
| Principia Wealth Advisory, LLC | 166 | $28.8K | 0.02% | 00.0% | Unchanged |
| Harbor Investment Advisory, LLC | 155 | $27.0K | 0.00% | −12−7.2% | Reduced |
| Macquarie Group Ltd | 150 | $26.1K | 0.00% | −1,140−88.4% | Reduced |
| Massmutual Trust Co FSB | 147 | $25.6K | 0.00% | −101−40.7% | Reduced |
| Rockefeller Capital Management L.P. | 141 | $24.6K | 0.00% | +141 | New |
| Bank Julius Baer & Co. Ltd, Zurich | 125 | $21.8K | 0.00% | −115−47.9% | Reduced |
| Versant Capital Management, Inc | 119 | $20.7K | 0.00% | +115+2,875.0% | Added |
| Allianz SE | 116 | $20.2K | 0.00% | 00.0% | Unchanged |
| NFJ Investment Group, LLC | 114 | $19.9K | 0.00% | −210,993−99.9% | Reduced |
| HM Payson & Co | 110 | $19.2K | 0.00% | 00.0% | Unchanged |
| CVA Family Office, LLC | 106 | $18.5K | 0.00% | −8−7.0% | Reduced |
| Smartleaf Asset Management LLC | 102 | $18.1K | 0.00% | −6−5.6% | Reduced |
| Private Trust Co NA | 101 | $17.6K | 0.00% | −5−4.7% | Reduced |
| Onefund, LLC | 99 | $17.3K | 0.01% | −1−1.0% | Reduced |
| Nomura Asset Management Co Ltd | 98 | $17.1K | 0.00% | −710−87.9% | Reduced |
| Principal Securities, Inc. | 93 | $16.2K | 0.00% | −134−59.0% | Reduced |
| CNB Bank | 92 | $16.0K | 0.01% | 00.0% | Unchanged |
| Geneos Wealth Management Inc. | 80 | $13.9K | 0.00% | −40−33.3% | Reduced |
| Pacer Advisors, Inc. | 70 | $12.2K | 0.00% | −2,995−97.7% | Reduced |
| Boreal Capital Management LLC | 70 | $12.2K | 0.01% | +70 | New |
| Whittier Trust Co of Nevada Inc | 64 | $10.9K | 0.00% | 00.0% | Unchanged |
| Leonteq Securities AG | 61 | $10.6K | 0.00% | +61 | New |
| Skandinaviska Enskilda Banken AB (publ) | 60 | $10.5K | 0.00% | −55−47.8% | Reduced |
| Roble, Belko & Company, Inc | 55 | $10.0K | 0.00% | 00.0% | Unchanged |
| Wealthspire Advisors, LLC | 57 | $9.93K | 0.00% | +57 | New |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 56 | $9.76K | 0.00% | −38,998−99.9% | Reduced |
| Quent Capital, LLC | 50 | $8.71K | 0.00% | +50 | New |
| Johnson Financial Group, Inc. | 49 | $8.54K | 0.00% | +6+14.0% | Added |
| SBI Securities Co., Ltd. | 47 | $8.19K | 0.00% | +7+17.5% | Added |
| True Wealth Design, LLC | 46 | $8.02K | 0.00% | −107−69.9% | Reduced |
| TD Private Client Wealth LLC | 44 | $7.67K | 0.00% | +16+57.1% | Added |
| Storebrand Asset Management AS | 43 | $7.49K | 0.00% | −676−94.0% | Reduced |
| Shell Asset Management Co | 43 | $7.00K | 0.00% | −3,013−98.6% | Reduced |
| Atlantic Trust, LLC | 40 | $6.97K | 0.00% | +3+8.1% | Added |
| Bessemer Group Inc | 35 | $6.00K | 0.00% | −39−52.7% | Reduced |