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 |
|---|---|---|---|---|---|
| Goodman Financial Corp | 0 | $0 | 0.00% | −83,163−100.0% | Sold out |
| ICICI Prudential Asset Management Co Ltd | 0 | $0 | 0.00% | −49,289−100.0% | Sold out |
| Fideuram - Intesa Sanpaolo Private Banking S.P.A. | 0 | $0 | 0.00% | −39,370−100.0% | Sold out |
| Baillie Gifford & Co | 0 | $0 | 0.00% | −29,032−100.0% | Sold out |
| Canada Pension Plan Investment Board | 0 | $0 | 0.00% | −22,800−100.0% | Sold out |
| Winton Group Ltd | 0 | $0 | 0.00% | −18,018−100.0% | Sold out |
| Cinctive Capital Management LP | 0 | $0 | 0.00% | −17,582−100.0% | Sold out |
| Pallas Capital Advisors LLC | 0 | $0 | 0.00% | −11,133−100.0% | Sold out |
| Natixis Advisors, L.P. | 0 | $0 | 0.00% | −10,880−100.0% | Sold out |
| Jefferies Financial Group Inc. | 0 | $0 | 0.00% | −8,190−100.0% | Sold out |
| Baird Financial Group, Inc. | 0 | $0 | 0.00% | −7,753−100.0% | Sold out |
| Weiss Asset Management LP | 0 | $0 | 0.00% | −7,490−100.0% | Sold out |
| Oak Thistle LLC | 0 | $0 | 0.00% | −7,370−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −6,940−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −6,363−100.0% | Sold out |
| Redwood Investment Management, LLC | 0 | $0 | 0.00% | −6,262−100.0% | Sold out |
| Alyeska Investment Group, L.P. | 0 | $0 | 0.00% | −5,042−100.0% | Sold out |
| RMB Capital Management, LLC | 0 | $0 | 0.00% | −4,740−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −4,742−100.0% | Sold out |
| NorthCrest Asset Manangement, LLC | 0 | $0 | 0.00% | −4,437−100.0% | Sold out |
| Northwest & Ethical Investments L.P. | 0 | $0 | 0.00% | −4,036−100.0% | Sold out |
| Jacobs Levy Equity Management, Inc | 0 | $0 | 0.00% | −3,908−100.0% | Sold out |
| TD Asset Management Inc | 0 | $0 | 0.00% | −3,567−100.0% | Sold out |
| Parcion Private Wealth LLC | 0 | $0 | 0.00% | −3,252−100.0% | Sold out |
| Vident Advisory, LLC | 0 | $0 | 0.00% | −3,202−100.0% | Sold out |
| Entropy Technologies, LP | 0 | $0 | 0.00% | −3,192−100.0% | Sold out |
| Inspire Advisors, LLC | 0 | $0 | 0.00% | −3,057−100.0% | Sold out |
| waypoint wealth counsel | 0 | $0 | 0.00% | −2,954−100.0% | Sold out |
| Waddell & Associates, LLC | 0 | $0 | 0.00% | −2,926−100.0% | Sold out |
| Jackson Thornton Asset Management, LLC | 0 | $0 | 0.00% | −2,785−100.0% | Sold out |
| Vestmark Advisory Solutions, Inc. | 0 | $0 | 0.00% | −2,775−100.0% | Sold out |
| Qsemble Capital Management, LP | 0 | $0 | 0.00% | −2,679−100.0% | Sold out |
| Evoke Wealth, LLC | 0 | $0 | 0.00% | −2,628−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −2,620−100.0% | Sold out |
| O'Shaughnessy Asset Management, LLC | 0 | $0 | 0.00% | −2,574−100.0% | Sold out |
| PEAK6 LLC | 0 | $0 | 0.00% | −2,290−100.0% | Sold out |
| Sentinus, LLC | 0 | $0 | 0.00% | −2,290−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −2,260−100.0% | Sold out |
| Reynders McVeigh Capital Management, LLC | 0 | $0 | 0.00% | −2,215−100.0% | Sold out |
| AlphaGrep UK Ltd | 0 | $0 | 0.00% | −2,192−100.0% | Sold out |
| Allegiance Financial Group Advisory Services LLC | 0 | $0 | 0.00% | −2,113−100.0% | Sold out |
| Pinnacle Associates Ltd | 0 | $0 | 0.00% | −2,032−100.0% | Sold out |
| Pinnacle Wealth Management Advisory Group, LLC | 0 | $0 | 0.00% | −2,032−100.0% | Sold out |
| Nwam LLC | 0 | $0 | 0.00% | −1,984−100.0% | Sold out |
| Knightsbridge Asset Management, LLC | 0 | $0 | 0.00% | −1,981−100.0% | Sold out |
| Cambridge Investment Research Advisors, Inc. | 0 | $0 | 0.00% | −1,977−100.0% | Sold out |
| Capital Performance Advisors LLP | 0 | $0 | 0.00% | −1,976−100.0% | Sold out |
| Sym Financial Corp | 0 | $0 | 0.00% | −1,874−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −1,821−100.0% | Sold out |
| Kera Capital Partners, Inc. | 0 | $0 | 0.00% | −1,761−100.0% | Sold out |
| Ariadne Wealth Management, LP | 0 | $0 | 0.00% | −1,747−100.0% | Sold out |
| GenTrust, LLC | 0 | $0 | 0.00% | −1,744−100.0% | Sold out |
| Crossmark Global Holdings, Inc. | 0 | $0 | 0.00% | −1,715−100.0% | Sold out |
| Beese Fulmer Investment Management, Inc. | 0 | $0 | 0.00% | −1,711−100.0% | Sold out |
| Nomura Holdings Inc | 0 | $0 | 0.00% | −1,607−100.0% | Sold out |
| Dundas Partners LLP | 0 | $0 | 0.00% | −1,604−100.0% | Sold out |
| R Squared Ltd | 0 | $0 | 0.00% | −1,590−100.0% | Sold out |
| Argos Wealth Advisors, LLC | 0 | $0 | 0.00% | −1,561−100.0% | Sold out |
| Abundance Wealth Counselors | 0 | $0 | 0.00% | −1,498−100.0% | Sold out |
| Benedict Financial Advisors Inc | 0 | $0 | 0.00% | −1,447−100.0% | Sold out |
| Legacy Financial Advisors, Inc. | 0 | $0 | 0.00% | −1,440−100.0% | Sold out |
| Vise Technologies, Inc. | 0 | $0 | 0.00% | −1,282−100.0% | Sold out |
| Wick Capital Partners, LLC | 0 | $0 | 0.00% | −1,404−100.0% | Sold out |
| QTR Family Wealth, LLC | 0 | $0 | 0.00% | −1,349−100.0% | Sold out |
| Omers Administration Corp | 0 | $0 | 0.00% | −1,390−100.0% | Sold out |
| Empirical Finance, LLC | 0 | $0 | 0.00% | −1,296−100.0% | Sold out |
| Kornitzer Capital Management Inc | 0 | $0 | 0.00% | −1,289−100.0% | Sold out |
| Fi3 FINANCIAL ADVISORS, LLC | 0 | $0 | 0.00% | −1,258−100.0% | Sold out |
| Retirement Planning Co of New England, Inc. | 0 | $0 | 0.00% | −1,248−100.0% | Sold out |
| Shelton Capital Management | 0 | $0 | 0.00% | −1,244−100.0% | Sold out |
| Hamilton Capital Partners Inc. | 0 | $0 | 0.00% | −1,239−100.0% | Sold out |
| CX Institutional | 0 | $0 | 0.00% | −952−100.0% | Sold out |
| Root Financial Partners, LLC | 0 | $0 | 0.00% | −482−100.0% | Sold out |
| RWM Asset Management, LLC | 0 | $0 | 0.00% | −362−100.0% | Sold out |
| Colonial Trust Co | 0 | $0 | 0.00% | −351−100.0% | Sold out |
| Employees Retirement System of Texas | 0 | $0 | 0.00% | −311−100.0% | Sold out |
| Wealth Preservation Advisors, LLC | 0 | $0 | 0.00% | −299−100.0% | Sold out |
| Heritage Wealth Advisors | 0 | $0 | 0.00% | −235−100.0% | Sold out |
| CVA Family Office, LLC | 0 | $0 | 0.00% | −137−100.0% | Sold out |
| Aster Capital Management (DIFC) Ltd | 0 | $0 | 0.00% | −104−100.0% | Sold out |
| Quadrant Capital Group LLC | 0 | $0 | 0.00% | −125−100.0% | Sold out |
| Owl Creek Wealth Partners LLC | 0 | $0 | 0.00% | −95−100.0% | Sold out |
| Atlantic Trust, LLC | 0 | $0 | 0.00% | −48−100.0% | Sold out |
| Twin Peaks Wealth Advisors, LLC | 0 | $0 | 0.00% | −34−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −33−100.0% | Sold out |
| High Note Wealth, LLC | 0 | $0 | 0.00% | −26−100.0% | Sold out |
| Dogwood Wealth Management LLC | 0 | $0 | 0.00% | −13−100.0% | Sold out |
| Marquette Asset Management, LLC | 0 | $0 | 0.00% | −9−100.0% | Sold out |
| Financial Consulate, Inc | 0 | $0 | 0.00% | −9−100.0% | Sold out |
| Ankerstar Wealth, LLC | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| Bay Harbor Wealth Management, LLC | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| ZRC Wealth Management, LLC | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| First Horizon Corp | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Vermillion Wealth Management, Inc. | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Cedar Mountain Advisors, LLC | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Sachetta, LLC | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Basecamp Wealth Advisors LLC | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Atlantic Union Bankshares Corp | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Rialto Wealth Management, LLC | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Dunhill Financial, LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |