Marketaxess Holdings, Inc. · NASDAQ:MKTX
Marketaxess Holdings, Inc. shareholders
As of Jun 30, 2026, 385 institutions reported holding Marketaxess Holdings, Inc. Largest: BlackRock, Vanguard and Primecap Management Co. New holders, exits, insiders and big stakes, each with its filing.
| Holder | Shares | % of Marketaxess Holdings, Inc. | Change | Filed |
|---|---|---|---|---|
| BlackRock | 4M | −75,318 | Aug 7, 2026 | |
| Vanguard | 3.93M | −133K | Aug 13, 2026 | |
| Primecap Management Co | 3.5M | +158K | Aug 14, 2026 | |
| North Reef Capital Management LP | 3.4M | +1.52M | Aug 14, 2026 | |
| AQR Capital Management LLC | 1.99M | −696K | Aug 14, 2026 | |
| Fidelity | 1.4M | −114K | Aug 13, 2026 | |
| State Street | 1.28M | +912 | Aug 7, 2026 | |
| Neuberger Berman Group LLC | 1.23M | +264K | Aug 13, 2026 | |
| Goldman Sachs | 1.03M | +522K | Aug 14, 2026 | |
| BMO | 1.02M | −3,535 | Aug 12, 2026 |