Stocktoria
MARKETAXESS HOLDINGS INC MKTX
MARKETAXESS HOLDINGS INC institutional holders
| Investor | Shares | Value | % of company |
|---|---|---|---|
| BlackRock Finance, Inc. | 2,949,436 | $591.5M | 7.94% |
| AQR CAPITAL MANAGEMENT LLC | 1,987,288 | $222.8M | 5.35% |
| MILLENNIUM MANAGEMENT LLC | 1,156,290 | $131.2M | 3.11% |
| CITADEL ADVISORS LLC | 548,489 | $62.2M | 1.48% |
| TWO SIGMA INVESTMENTS, LP | 543,890 | $61.7M | 1.46% |
| RENAISSANCE TECHNOLOGIES LLC | 200,000 | $22.7M | 0.54% |
| D. E. Shaw & Co., Inc. | 50,077 | $5.7M | 0.13% |
| Point72 Asset Management, L.P. | 8,100 | $919,269 | 0.02% |
% of company = reported institutional shares ÷ shares outstanding. Based on the latest reports; not every holder reports every quarter.
Computed from company filings · US · as of 2025-12-31. Facts plus Stocktoria's own computed scores — not investment advice.