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, Q4 2025
Institutional positions in Marketaxess Holdings Inc as of Dec 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
- 487
- +47 vs. Q3 2025
- Shares held
- 36.5M
- +1.81M (+5.2%) vs. Q3 2025
- Total value
- $6.62B
- +$566.0M (+9.4%) vs. Q3 2025
- New holders
- 118
- 155 more added
- Sold out
- 71
- 171 more reduced
12 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Marketaxess Holdings Inc; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Pinnacle Associates Ltd | 1,745 | $316.3K | 0.00% | +1,745 | New |
| Pinnacle Wealth Management Advisory Group, LLC | 1,745 | $316.3K | 0.02% | +1,745 | New |
| Boothbay Fund Management, LLC | 1,724 | $312.5K | 0.01% | −59−3.3% | Reduced |
| Swiss Life Asset Management Ltd | 1,721 | $311.9K | 0.00% | 00.0% | Unchanged |
| Ariadne Wealth Management, LP | 1,747 | $310.0K | 0.13% | +1,747 | New |
| Allworth Financial LP | 1,699 | $307.9K | 0.00% | +1,298+323.7% | Added |
| Benedict Financial Advisors Inc | 1,671 | $302.8K | 0.06% | −200−10.7% | Reduced |
| Machina Capital S.A.S. | 1,649 | $298.9K | 0.06% | 00.0% | Unchanged |
| Globeflex Capital L P | 1,648 | $298.7K | 0.05% | 00.0% | Unchanged |
| Kera Capital Partners, Inc. | 1,761 | $298.0K | 0.04% | +1,761 | New |
| Cambridge Investment Research Advisors, Inc. | 1,627 | $295.0K | 0.00% | +1,627 | New |
| Tower Research Capital LLC (TRC) | 1,611 | $292.0K | 0.01% | +1,079+202.8% | Added |
| GenTrust, LLC | 1,610 | $291.8K | 0.01% | +1,610 | New |
| Fi3 FINANCIAL ADVISORS, LLC | 1,608 | $291.5K | 0.09% | +1,608 | New |
| Landscape Capital Management, L.L.C. | 1,594 | $288.9K | 0.02% | +1,594 | New |
| Aigen Investment Management, LP | 1,564 | $283.5K | 0.07% | −2,520−61.7% | Reduced |
| Nomura Holdings Inc | 1,563 | $283.3K | 0.00% | +1,563 | New |
| CI Private Wealth, LLC | 1,552 | $281.3K | 0.00% | −446−22.3% | Reduced |
| Journey Strategic Wealth LLC | 1,539 | $278.9K | 0.01% | +1,539 | New |
| Graham Capital Management, L.P. | 1,475 | $267.3K | 0.01% | −233−13.6% | Reduced |
| Scientech Research LLC | 1,473 | $267.0K | 0.17% | −5,100−77.6% | Reduced |
| EP Wealth Advisors, LLC | 1,468 | $266.1K | 0.00% | +1,468 | New |
| Beese Fulmer Investment Management, Inc. | 1,454 | $263.5K | 0.02% | +1,454 | New |
| GAMMA Investing LLC | 1,422 | $257.7K | 0.01% | +326+29.7% | Added |
| Catalyst Funds Management Pty Ltd | 1,400 | $253.8K | 0.06% | −1,100−44.0% | Reduced |
| Argos Wealth Advisors, LLC | 1,399 | $253.6K | 0.07% | +1,399 | New |
| Knightsbridge Asset Management, LLC | 1,391 | $252.1K | 0.04% | +1,391 | New |
| Omers Administration Corp | 1,390 | $251.9K | 0.00% | 00.0% | Unchanged |
| Savvy Advisors, Inc. | 1,389 | $251.8K | 0.01% | +111+8.7% | Added |
| Northwest Wealth Management, LLC | 1,350 | $244.7K | 0.04% | +1,350 | New |
| Crossmark Global Holdings, Inc. | 1,349 | $244.5K | 0.00% | +12+0.9% | Added |
| QTR Family Wealth, LLC | 1,372 | $243.3K | 0.11% | +1,372 | New |
| Guardian Partners Inc. | 1,500 | $242.8K | 0.02% | +200+15.4% | Added |
| Kornitzer Capital Management Inc | 1,314 | $238.2K | 0.00% | −6,560−83.3% | Reduced |
| Empirical Finance, LLC | 1,313 | $238.0K | 0.01% | −43−3.2% | Reduced |
| North Dakota State Investment Board | 1,298 | $235.3K | 0.01% | +1,298 | New |
| Vise Technologies, Inc. | 1,282 | $232.4K | 0.00% | +1,282 | New |
| Retirement Planning Co of New England, Inc. | 1,277 | $231.5K | 0.09% | −100−7.3% | Reduced |
| Aster Capital Management (DIFC) Ltd | 1,267 | $229.6K | 0.10% | +291+29.8% | Added |
| Legacy Financial Advisors, Inc. | 1,257 | $227.8K | 0.03% | +1,257 | New |
| Empowered Funds, LLC | 1,256 | $227.7K | 0.00% | −26−2.0% | Reduced |
| Essex Financial Services, Inc. | 1,247 | $226.0K | 0.01% | +1,247 | New |
| Shelton Capital Management | 1,244 | $225.5K | 0.00% | +1,244 | New |
| Hamilton Capital Partners Inc. | 1,239 | $224.6K | 0.01% | +1,239 | New |
| Twin Tree Management, LP | 1,227 | $222.4K | 0.02% | +1,227 | New |
| Poinciana Advisors Group, LLC | 1,206 | $218.6K | 0.17% | +1,206 | New |
| Farther Finance Advisors, LLC | 1,203 | $218.0K | 0.00% | +1,028+587.4% | Added |
| Credit Capital Investments LLC | 1,200 | $217.5K | 0.20% | 00.0% | Unchanged |
| Sage Rhino Capital LLC | 1,194 | $216.4K | 0.04% | −431−26.5% | Reduced |
| KBC Group NV | 1,194 | $216.0K | 0.00% | +251+26.6% | Added |
| Wick Capital Partners, LLC | 1,170 | $212.1K | 0.04% | +1,170 | New |
| Truist Financial Corp | 1,143 | $207.2K | 0.00% | −288−20.1% | Reduced |
| RSM US Wealth Management LLC | 1,135 | $207.1K | 0.00% | +1,135 | New |
| Skopos Labs, Inc. | 1,123 | $206.5K | 0.01% | +1,123 | New |
| Sather Financial Group Inc | 1,129 | $204.6K | 0.01% | +1,129 | New |
| PDS Planning, Inc | 1,128 | $204.4K | 0.01% | +1,128 | New |
| Cetera Investment Advisers | 1,127 | $204.3K | 0.00% | −163−12.6% | Reduced |
| CSS LLC | 1,120 | $203.0K | 0.01% | +1,120 | New |
| Claret Asset Management Corp | 1,116 | $202.0K | 0.02% | +1,116 | New |
| Commonwealth Equity Services, LLC | 1,108 | $200.9K | 0.00% | +1,108 | New |
| Quest Partners LLC | 1,098 | $199.0K | 0.01% | −8,319−88.3% | Reduced |
| CX Institutional | 1,091 | $198.0K | 0.01% | +646+145.2% | Added |
| STRS Ohio | 873 | $158.2K | 0.00% | +1+0.1% | Added |
| Pinnacle Wealth Planning Services, Inc. | 871 | $157.9K | 0.02% | +871 | New |
| South Dakota Investment Council | 850 | $154.0K | 0.00% | −100−10.5% | Reduced |
| Covestor Ltd | 811 | $147.0K | 0.08% | +158+24.2% | Added |
| True Wealth Design, LLC | 687 | $124.5K | 0.04% | +641+1,393.5% | Added |
| Versant Capital Management, Inc | 622 | $112.7K | 0.01% | +503+422.7% | Added |
| Hantz Financial Services, Inc. | 617 | $112.0K | 0.00% | +290+88.7% | Added |
| MetLife Investment Management | 596 | $108.0K | 0.00% | −12−2.0% | Reduced |
| Eurizon Capital SGR S.p.A. | 580 | $105.7K | 0.00% | +580 | New |
| Caitong International Asset Management Co., Ltd | 507 | $91.9K | 0.02% | +21+4.3% | Added |
| Northwestern Mutual Wealth Management Co | 496 | $89.9K | 0.00% | −111−18.3% | Reduced |
| Quarry LP | 480 | $87.0K | 0.01% | −235−32.9% | Reduced |
| Asset Management One Co.,Ltd. | 467 | $85.9K | 0.00% | −241−34.0% | Reduced |
| State of Wyoming | 421 | $76.3K | 0.01% | +421 | New |
| Anchor Investment Management, LLC | 374 | $67.8K | 0.01% | −2−0.5% | Reduced |
| Colonial Trust Co | 351 | $63.6K | 0.01% | 00.0% | Unchanged |
| Bayforest Capital Ltd | 337 | $61.1K | 0.05% | −1,642−83.0% | Reduced |
| Neo Ivy Capital Management | 321 | $58.2K | 0.01% | +321 | New |
| Massmutual Trust Co FSB | 311 | $56.4K | 0.00% | +164+111.6% | Added |
| Employees Retirement System of Texas | 311 | $56.0K | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 298 | $54.0K | 0.00% | −249−45.5% | Reduced |
| Pacer Advisors, Inc. | 280 | $50.8K | 0.00% | +210+300.0% | Added |
| Federated Hermes, Inc. | 277 | $50.2K | 0.00% | −34−10.9% | Reduced |
| Salomon & Ludwin, LLC | 261 | $47.0K | 0.00% | −19−6.8% | Reduced |
| Simplex Trading, LLC | 259 | $46.9K | 0.00% | −2,030−88.7% | Reduced |
| Umb Bank N A | 216 | $39.1K | 0.00% | −92−29.9% | Reduced |
| Rexford Capital Inc | 214 | $38.8K | 0.03% | −400−65.1% | Reduced |
| Generali Asset Management SPA SGR | 214 | $38.8K | 0.00% | 00.0% | Unchanged |
| Danske Bank A/S | 200 | $36.3K | 0.00% | −3,563−94.7% | Reduced |
| Ronald Blue Trust, Inc. | 181 | $32.8K | 0.00% | −174−49.0% | Reduced |
| SJS Investment Consulting Inc. | 177 | $32.1K | 0.00% | +177 | New |
| Steward Partners Investment Advisory, LLC | 161 | $29.2K | 0.00% | −65−28.8% | Reduced |
| Activest Wealth Management | 156 | $28.3K | 0.01% | +156 | New |
| Harbor Investment Advisory, LLC | 155 | $28.1K | 0.00% | 00.0% | Unchanged |
| Rakuten Investment Management, Inc. | 150 | $27.6K | 0.00% | −20,231−99.3% | Reduced |
| Quent Capital, LLC | 151 | $27.4K | 0.00% | +101+202.0% | Added |
| Bangor Savings Bank | 139 | $25.2K | 0.00% | −5,947−97.7% | Reduced |
| Quadrant Capital Group LLC | 132 | $23.9K | 0.00% | −860−86.7% | Reduced |