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 2026
Institutional positions in Marketaxess Holdings Inc as of Jun 30, 2026. 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
- 397
- −50 vs. Q1 2026
- Shares held
- 39.1M
- +1.10M (+2.9%) vs. Q1 2026
- Total value
- $4.44B
- −$1.83B (−29.2%) vs. Q1 2026
- New holders
- 57
- 130 more added
- Sold out
- 107
- 171 more reduced
5 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 2026
Shares, value and share of portfolio for each institution holding Marketaxess Holdings Inc; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Mirae Asset Global ETFs Holdings Ltd. | 4,716 | $535.2K | 0.00% | +1,102+30.5% | Added |
| EntryPoint Capital, LLC | 4,737 | $537.6K | 0.13% | +4,737 | New |
| CI Private Wealth, LLC | 4,834 | $548.6K | 0.00% | +2,442+102.1% | Added |
| Schonfeld Strategic Advisors LLC | 4,911 | $557.3K | 0.00% | −37,685−88.5% | Reduced |
| CSS LLC | 5,030 | $570.9K | 0.03% | +5,030 | New |
| Chicago Partners Investment Group LLC | 5,210 | $595.5K | 0.01% | +1,305+33.4% | Added |
| Jones Financial Companies LLLP | 5,318 | $598.5K | 0.00% | −1,356−20.3% | Reduced |
| Lido Advisors, LLC | 5,296 | $601.0K | 0.00% | +1,745+49.1% | Added |
| Parvin Asset Management, LLC | 5,425 | $615.7K | 0.49% | −345−6.0% | Reduced |
| Pictet Asset Management Holding SA | 5,510 | $625.3K | 0.00% | −100−1.8% | Reduced |
| Fieldview Capital Management, LLC | 5,602 | $635.8K | 0.18% | +4,192+297.3% | Added |
| Advisor Group Holdings, Inc. | 5,849 | $664.0K | 0.00% | +519+9.7% | Added |
| Stiles Financial Services Inc | 5,992 | $680.0K | 0.17% | −775−11.5% | Reduced |
| Toronto Dominion Bank | 6,035 | $684.0K | 0.00% | 00.0% | Unchanged |
| Twinbeech Capital LP | 6,167 | $699.9K | 0.13% | +6,167 | New |
| Jain Global LLC | 6,250 | $709.3K | 0.01% | +6,250 | New |
| Colony Group, LLC | 6,599 | $748.9K | 0.00% | −8,455−56.2% | Reduced |
| Maryland State Retirement & Pension System | 6,898 | $782.9K | 0.01% | −249−3.5% | Reduced |
| Bridgewater Associates, LP | 7,024 | $797.2K | 0.00% | +1,416+25.2% | Added |
| DekaBank Deutsche Girozentrale | 5,080 | $836.0K | 0.00% | 00.0% | Unchanged |
| Voya Investment Management LLC | 7,792 | $884.3K | 0.00% | +1,948+33.3% | Added |
| SRS Capital Advisors, Inc. | 7,818 | $887.3K | 0.01% | +5,520+240.2% | Added |
| Oregon Public Employees Retirement Fund | 8,089 | $918.0K | 0.01% | −410−4.8% | Reduced |
| Point72 Asset Management, L.P. | 8,100 | $919.3K | 0.00% | −244,725−96.8% | Reduced |
| KLP Kapitalforvaltning AS | 8,200 | $930.6K | 0.00% | 00.0% | Unchanged |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 8,428 | $956.5K | 0.00% | −764−8.3% | Reduced |
| Interval Partners, LP | 8,648 | $981.5K | 0.03% | −17,830−67.3% | Reduced |
| RNC Capital Management LLC | 9,029 | $1.02M | 0.04% | +3,911+76.4% | Added |
| Teachers Retirement System of the State of Kentucky | 9,202 | $1.04M | 0.01% | −6,810−42.5% | Reduced |
| Vanguard Investments Australia, Ltd. | 9,410 | $1.07M | 0.00% | 00.0% | Unchanged |
| Yousif Capital Management, LLC | 9,557 | $1.08M | 0.01% | −559−5.5% | Reduced |
| Fifth Third Bancorp | 9,647 | $1.09M | 0.00% | −493−4.9% | Reduced |
| Arizona State Retirement System | 9,809 | $1.11M | 0.01% | −401−3.9% | Reduced |
| Manufacturers Life Insurance Company, The | 9,871 | $1.12M | 0.00% | +1,821+22.6% | Added |
| Wells Fargo & Company | 9,993 | $1.13M | 0.00% | +5,066+102.8% | Added |
| Public Employees Retirement System of Ohio | 10,362 | $1.18M | 0.00% | −2,907−21.9% | Reduced |
| Summit Trail Advisors, LLC | 10,375 | $1.18M | 0.01% | +1,973+23.5% | Added |
| denkapparat Operations GmbH | 10,562 | $1.20M | 0.39% | +7,988+310.3% | Added |
| Amalgamated Bank | 10,596 | $1.20M | 0.01% | −709−6.3% | Reduced |
| Headlands Technologies LLC | 10,603 | $1.20M | 0.13% | +10,603 | New |
| Handelsbanken Fonder AB | 10,744 | $1.22M | 0.00% | +1,400+15.0% | Added |
| Caxton Associates LLP | 10,884 | $1.24M | 0.02% | +10,884 | New |
| Captrust Financial Advisors | 11,169 | $1.27M | 0.00% | −8,539−43.3% | Reduced |
| Fred Alger Management, LLC | 11,398 | $1.29M | 0.00% | −196−1.7% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 11,576 | $1.31M | 0.00% | −2,529−17.9% | Reduced |
| Envestnet Asset Management Inc | 11,597 | $1.32M | 0.00% | −3,689−24.1% | Reduced |
| Sanctuary Advisors, LLC | 11,676 | $1.33M | 0.01% | −2,339−16.7% | Reduced |
| State of Alaska, Department of Revenue | 11,704 | $1.33M | 0.01% | −6,690−36.4% | Reduced |
| Gotham Asset Management, LLC | 11,762 | $1.33M | 0.00% | −48,451−80.5% | Reduced |
| State of New Jersey Common Pension Fund D | 12,234 | $1.39M | 0.00% | −607−4.7% | Reduced |
| ExodusPoint Capital Management, LP | 13,183 | $1.50M | 0.01% | −10,792−45.0% | Reduced |
| Exchange Traded Concepts, LLC | 13,383 | $1.52M | 0.01% | +351+2.7% | Added |
| Vanguard Global Advisers, LLC | 13,665 | $1.55M | 0.00% | −1,283−8.6% | Reduced |
| Man Group plc | 14,008 | $1.59M | 0.00% | +270+2.0% | Added |
| Paralel Advisors LLC | 14,039 | $1.59M | 0.06% | +14,039 | New |
| Treasurer of the State of North Carolina | 14,886 | $1.69M | 0.00% | −720−4.6% | Reduced |
| Guardian Capital LP | 15,300 | $1.74M | 0.04% | −3,000−16.4% | Reduced |
| Assenagon Asset Management S.A. | 15,366 | $1.74M | 0.00% | −89,435−85.3% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 15,561 | $1.77M | 0.00% | −11,849−43.2% | Reduced |
| Louisiana State Employees Retirement System | 15,600 | $1.77M | 0.03% | −900−5.5% | Reduced |
| Russell Investments Group, Ltd. | 15,734 | $1.79M | 0.00% | −3,438−17.9% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 15,889 | $1.80M | 0.01% | +44+0.3% | Added |
| Ieq Capital, LLC | 16,146 | $1.83M | 0.01% | −157,745−90.7% | Reduced |
| Jupiter Topco LLC | 16,600 | $1.88M | 0.00% | +16,600 | New |
| CenterBook Partners LP | 17,296 | $1.96M | 0.10% | +590+3.5% | Added |
| Intech Investment Management LLC | 17,419 | $1.98M | 0.02% | +17,419 | New |
| Alliancebernstein L.P. | 12,715 | $2.10M | 0.00% | −28,544−69.2% | Reduced |
| State of Tennessee, Treasury Department | 18,534 | $2.10M | 0.01% | +1,852+11.1% | Added |
| Toroso Investments, LLC | 19,749 | $2.24M | 0.01% | +5,107+34.9% | Added |
| New York State Common Retirement Fund | 19,865 | $2.25M | 0.00% | −314−1.6% | Reduced |
| Creative Planning | 20,448 | $2.32M | 0.00% | −2,626−11.4% | Reduced |
| Barclays PLC | 21,499 | $2.44M | 0.00% | +7,652+55.3% | Added |
| Agf Management Ltd | 21,692 | $2.46M | 0.01% | +1,737+8.7% | Added |
| Illinois Municipal Retirement Fund | 21,988 | $2.50M | 0.03% | +1,675+8.2% | Added |
| Mercer Global Advisors Inc | 22,443 | $2.55M | 0.00% | −9,514−29.8% | Reduced |
| Hunter Perkins Capital Management, LLC | 22,906 | $2.60M | 0.58% | +2,914+14.6% | Added |
| Caisse de Depot Et Placement du Quebec | 23,004 | $2.61M | 0.00% | −15,883−40.8% | Reduced |
| SummitTX Capital, L.P. | 24,362 | $2.76M | 0.07% | +24,362 | New |
| Quadrature Capital Ltd | 25,185 | $2.86M | 0.02% | +25,185 | New |
| Greenwich Wealth Management LLC | 26,934 | $3.06M | 0.11% | +26,934 | New |
| Geneva Capital Management LLC | 27,092 | $3.07M | 0.07% | −441−1.6% | Reduced |
| New York State Teachers Retirement System | 27,287 | $3.10M | 0.01% | −4,297−13.6% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 27,338 | $3.11M | 0.01% | −28,834−51.3% | Reduced |
| PDT Partners, LLC | 28,171 | $3.20M | 0.17% | +23,891+558.2% | Added |
| Robertson Opportunity Capital, LLC | 28,830 | $3.27M | 1.27% | 00.0% | Unchanged |
| Amundi | 29,411 | $3.34M | 0.00% | −229,297−88.6% | Reduced |
| Thrivent Financial for Lutherans | 29,667 | $3.37M | 0.01% | −1,474−4.7% | Reduced |
| Alps Advisors Inc | 29,762 | $3.38M | 0.02% | +867+3.0% | Added |
| Fideuram Asset Management (Ireland) dac | 25,503 | $3.52M | 0.07% | +25,503 | New |
| Bahl & Gaynor Inc | 31,678 | $3.60M | 0.02% | −948−2.9% | Reduced |
| Great West Life Assurance Co | 31,755 | $3.60M | 0.01% | −2,154−6.4% | Reduced |
| XTX Topco Ltd | 31,823 | $3.61M | 0.05% | +21,995+223.8% | Added |
| Franklin Resources Inc | 31,838 | $3.61M | 0.00% | +14,235+80.9% | Added |
| Elo Mutual Pension Insurance Co | 31,860 | $3.62M | 0.05% | +17,174+116.9% | Added |
| Prudential Financial Inc | 32,341 | $3.67M | 0.00% | −1,403−4.2% | Reduced |
| Squarepoint Ops LLC | 32,462 | $3.68M | 0.01% | +16,604+104.7% | Added |
| Susquehanna International Group, LLP | 32,579 | $3.70M | 0.00% | +32,579 | New |
| GW&K Investment Management, LLC | 32,689 | $3.71M | 0.03% | −80.0% | Reduced |
| Vanguard Asset Management, Ltd | 33,563 | $3.81M | 0.00% | +97+0.3% | Added |
| HSBC Holdings PLC | 33,576 | $3.81M | 0.00% | +12,567+59.8% | Added |