Stocktoria
Merck & Co., Inc. MRK
Merck & Co., Inc. institutional holders
| Investor | Shares | Value | % of company |
|---|---|---|---|
| BlackRock Finance, Inc. | 208,209,717 | $25.8B | 8.31% |
| CITADEL ADVISORS LLC | 9,176,267 | $1.2B | 0.37% |
| AQR CAPITAL MANAGEMENT LLC | 8,134,262 | $1.0B | 0.32% |
| D. E. Shaw & Co., Inc. | 4,449,023 | $571.7M | 0.18% |
| MILLENNIUM MANAGEMENT LLC | 2,114,402 | $271.7M | 0.08% |
| Point72 Asset Management, L.P. | 552,681 | $71.0M | 0.02% |
| TWO SIGMA INVESTMENTS, LP | 165,825 | $21.3M | 0.01% |
| DODGE & COX | 135,750 | $17.4M | 0.01% |
% 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.