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 |
|---|---|---|---|---|---|
| Signaturefd, LLC | 315 | $54.9K | 0.00% | −231−42.3% | Reduced |
| Hantz Financial Services, Inc. | 327 | $57.0K | 0.00% | −28,912−98.9% | Reduced |
| Colonial Trust Co | 351 | $61.2K | 0.01% | 00.0% | Unchanged |
| Ronald Blue Trust, Inc. | 355 | $61.9K | 0.00% | +257+262.2% | Added |
| Parallel Advisors, LLC | 368 | $64.1K | 0.00% | −312−45.9% | Reduced |
| Anchor Investment Management, LLC | 376 | $65.5K | 0.01% | 00.0% | Unchanged |
| Allworth Financial LP | 401 | $69.9K | 0.00% | +91+29.4% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 855 | $74.0K | 0.00% | −621−42.1% | Reduced |
| Clearstead Advisors, LLC | 442 | $77.1K | 0.00% | +109+32.7% | Added |
| CX Institutional | 445 | $78.0K | 0.00% | −272−37.9% | Reduced |
| Mather Group, LLC. | 458 | $79.8K | 0.00% | +458 | New |
| IFP Advisors, Inc | 470 | $81.9K | 0.00% | −117−19.9% | Reduced |
| Caitong International Asset Management Co., Ltd | 486 | $84.7K | 0.06% | +431+783.6% | Added |
| Tower Research Capital LLC (TRC) | 532 | $92.7K | 0.00% | −678−56.0% | Reduced |
| Group One Trading, L.P. | 547 | $95.3K | 0.00% | +547 | New |
| Northwestern Mutual Wealth Management Co | 607 | $105.8K | 0.00% | −415−40.6% | Reduced |
| MetLife Investment Management | 608 | $105.9K | 0.00% | −8,930−93.6% | Reduced |
| Rexford Capital Inc | 614 | $107.0K | 0.08% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 643 | $112.0K | 0.00% | −611−48.7% | Reduced |
| Covestor Ltd | 653 | $114.0K | 0.06% | +118+22.1% | Added |
| Asset Management One Co.,Ltd. | 708 | $123.4K | 0.00% | −1,315−65.0% | Reduced |
| Quarry LP | 715 | $124.6K | 0.03% | −1,691−70.3% | Reduced |
| STRS Ohio | 872 | $151.9K | 0.00% | +1+0.1% | Added |
| KBC Group NV | 943 | $164.0K | 0.00% | 00.0% | Unchanged |
| South Dakota Investment Council | 950 | $166.0K | 0.00% | 00.0% | Unchanged |
| Aster Capital Management (DIFC) Ltd | 976 | $170.1K | 0.09% | +976 | New |
| Quadrant Capital Group LLC | 992 | $172.9K | 0.01% | −661−40.0% | Reduced |
| GAMMA Investing LLC | 1,096 | $191.0K | 0.01% | −889−44.8% | Reduced |
| Daiwa Securities Group Inc. | 1,100 | $192.0K | 0.00% | −2,569−70.0% | Reduced |
| Ci Investments Inc. | 1,142 | $199.0K | 0.00% | −108−8.6% | Reduced |
| Financiere des Professionnels - Fonds d,investissement inc. | 1,154 | $201.1K | 0.01% | +1,154 | New |
| HighTower Advisors, LLC | 1,155 | $201.3K | 0.00% | −803−41.0% | Reduced |
| Credit Capital Investments LLC | 1,200 | $209.1K | 0.23% | +1,200 | New |
| Pensionmark Financial Group, LLC | 1,219 | $212.4K | 0.00% | −235−16.2% | Reduced |
| Chicago Partners Investment Group LLC | 1,312 | $214.4K | 0.01% | +239+22.3% | Added |
| Capstone Investment Advisors, LLC | 1,233 | $214.8K | 0.00% | +1,233 | New |
| GWM Advisors LLC | 1,238 | $215.9K | 0.00% | +1,220+6,777.8% | Added |
| Guardian Partners Inc. | 1,300 | $222.1K | 0.02% | −25−1.9% | Reduced |
| Savvy Advisors, Inc. | 1,278 | $222.7K | 0.01% | +1,278 | New |
| Empowered Funds, LLC | 1,282 | $223.4K | 0.00% | +58+4.7% | Added |
| Cetera Investment Advisers | 1,290 | $224.8K | 0.00% | −299−18.8% | Reduced |
| XTX Topco Ltd | 1,323 | $230.5K | 0.01% | −554−29.5% | Reduced |
| Crossmark Global Holdings, Inc. | 1,337 | $233.0K | 0.00% | −118−8.1% | Reduced |
| Parvin Asset Management, LLC | 1,350 | $235.2K | 0.21% | +1,325+5,300.0% | Added |
| Empirical Finance, LLC | 1,356 | $236.3K | 0.01% | +10+0.7% | Added |
| Retirement Planning Co of New England, Inc. | 1,377 | $240.0K | 0.10% | −70−4.8% | Reduced |
| O'Shaughnessy Asset Management, LLC | 1,379 | $240.3K | 0.00% | −2,689−66.1% | Reduced |
| Omers Administration Corp | 1,390 | $242.2K | 0.00% | 00.0% | Unchanged |
| Clear Creek Financial Management, LLC | 1,394 | $242.9K | 0.02% | −19−1.3% | Reduced |
| Truist Financial Corp | 1,431 | $249.3K | 0.00% | −7,207−83.4% | Reduced |
| Two Sigma Securities, LLC | 1,471 | $256.3K | 0.04% | +1,471 | New |
| MYDA Advisors LLC | 1,515 | $264.0K | 0.08% | +1,515 | New |
| Glenmede Investment Management, LP | 1,583 | $275.8K | 0.00% | +600+61.0% | Added |
| Sage Rhino Capital LLC | 1,625 | $283.2K | 0.05% | +1,625 | New |
| Banque Pictet & Cie SA | 1,645 | $286.6K | 0.00% | −11−0.7% | Reduced |
| Globeflex Capital L P | 1,648 | $287.2K | 0.04% | 00.0% | Unchanged |
| Machina Capital S.A.S. | 1,649 | $287.3K | 0.05% | +1,649 | New |
| Blair William & Co | 1,687 | $293.9K | 0.00% | +400+31.1% | Added |
| Graham Capital Management, L.P. | 1,708 | $297.6K | 0.01% | −6,330−78.8% | Reduced |
| Swiss Life Asset Management Ltd | 1,721 | $299.9K | 0.00% | −187−9.8% | Reduced |
| Jones Financial Companies LLLP | 1,676 | $301.8K | 0.00% | +67+4.2% | Added |
| Rothschild Investment LLC | 1,736 | $302.5K | 0.02% | +1,734+86,700.0% | Added |
| Boothbay Fund Management, LLC | 1,783 | $310.7K | 0.01% | +541+43.6% | Added |
| Summit Wealth Group LLC | 1,462 | $312.3K | 0.04% | +1,462 | New |
| SummitTX Capital, L.P. | 1,828 | $318.5K | 0.01% | −1,969−51.9% | Reduced |
| X-Square Capital, LLC | 1,873 | $326.0K | 0.10% | −1−0.1% | Reduced |
| Benedict Financial Advisors Inc | 1,871 | $326.1K | 0.07% | +269+16.8% | Added |
| Meeder Advisory Services, Inc. | 1,874 | $326.6K | 0.02% | +1,874 | New |
| Xponance, Inc. | 1,884 | $328.3K | 0.00% | −1,450−43.5% | Reduced |
| Unique Wealth Strategies, LLC | 1,898 | $330.7K | 0.13% | +1,898 | New |
| Utah Retirement Systems | 1,927 | $335.8K | 0.00% | −4,112−68.1% | Reduced |
| Knollwood Investment Advisory, LLC | 1,934 | $337.0K | 0.03% | −45−2.3% | Reduced |
| Norris Perne & French LLP | 1,935 | $337.2K | 0.02% | −35,004−94.8% | Reduced |
| Horizon Kinetics Asset Management LLC | 1,950 | $339.8K | 0.00% | +76+4.1% | Added |
| Amica Mutual Insurance Co | 1,951 | $340.0K | 0.03% | 00.0% | Unchanged |
| Essential Partners LLC | 1,964 | $342.2K | 0.11% | +218+12.5% | Added |
| Caerus Investment Advisors, LLC | 1,964 | $342.2K | 0.14% | +1,964 | New |
| Bayforest Capital Ltd | 1,979 | $344.8K | 0.16% | +9+0.5% | Added |
| CI Private Wealth, LLC | 1,998 | $348.1K | 0.00% | −216−9.8% | Reduced |
| Ashford Capital Management Inc | 2,000 | $348.5K | 0.04% | −5,771−74.3% | Reduced |
| Impact Partnership Wealth, LLC | 2,012 | $350.6K | 0.05% | +603+42.8% | Added |
| Gateway Investment Advisers LLC | 2,034 | $354.4K | 0.00% | −17−0.8% | Reduced |
| Neuberger Berman Group LLC | 2,066 | $360.0K | 0.00% | −3,024−59.4% | Reduced |
| RMR Wealth Builders | 2,084 | $363.1K | 0.03% | +59+2.9% | Added |
| Pathstone Holdings, LLC | 2,096 | $365.2K | 0.00% | +105+5.3% | Added |
| Sequoia Financial Advisors, LLC | 2,147 | $374.1K | 0.00% | +841+64.4% | Added |
| Citizens Financial Group Inc | 2,179 | $379.6K | 0.01% | +2,179 | New |
| R Squared Ltd | 2,194 | $382.3K | 0.16% | +457+26.3% | Added |
| NorthCrest Asset Manangement, LLC | 2,280 | $383.4K | 0.01% | +2,280 | New |
| Groupama Asset Managment | 2,201 | $383.5K | 0.01% | +474+27.4% | Added |
| Walleye Trading LLC | 2,220 | $386.8K | 0.01% | −2,000−47.4% | Reduced |
| Dundas Partners LLP | 2,239 | $390.1K | 0.03% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 2,254 | $392.8K | 0.01% | −172−7.1% | Reduced |
| Simplex Trading, LLC | 2,289 | $398.0K | 0.01% | −230−9.1% | Reduced |
| 111 Capital | 2,343 | $408.3K | 0.08% | +216+10.2% | Added |
| Financial Advisory Corp | 2,344 | $409.0K | 0.11% | −94−3.9% | Reduced |
| Merit Financial Group, LLC | 2,381 | $414.9K | 0.00% | −2,840−54.4% | Reduced |
| Lido Advisors, LLC | 2,416 | $421.0K | 0.00% | +2,416 | New |
| EntryPoint Capital, LLC | 2,480 | $432.1K | 0.17% | +193+8.4% | Added |
| Catalyst Funds Management Pty Ltd | 2,500 | $435.6K | 0.07% | +2,500 | New |