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 | 13,116,227 | $1.6B | 0.52% |
| AQR CAPITAL MANAGEMENT LLC | 8,628,486 | $1.0B | 0.34% |
| D. E. Shaw & Co., Inc. | 4,917,482 | $591.5M | 0.2% |
| MILLENNIUM MANAGEMENT LLC | 3,845,491 | $462.6M | 0.15% |
| Point72 Asset Management, L.P. | 1,154,077 | $138.8M | 0.05% |
| TWO SIGMA INVESTMENTS, LP | 178,525 | $21.5M | 0.01% |
| DODGE & COX | 136,050 | $16.4M | 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.