Stocktoria
Merck & Co., Inc. MRK
NYSE · XNYS · stock · Pharmaceutical Preparations · website · IPO 1941-01-01
Merck & Co., Inc. institutional holders (13F)
| Investor | Shares | Value |
|---|---|---|
| BlackRock Finance, Inc. | 208,209,717 | $25.8B |
| CITADEL ADVISORS LLC | 13,116,227 | $1.6B |
| AQR CAPITAL MANAGEMENT LLC | 8,628,486 | $1.0B |
| D. E. Shaw & Co., Inc. | 4,917,482 | $591.5M |
| MILLENNIUM MANAGEMENT LLC | 3,845,491 | $462.6M |
| Point72 Asset Management, L.P. | 1,154,077 | $138.8M |
| TWO SIGMA INVESTMENTS, LP | 178,525 | $21.5M |
| DODGE & COX | 136,050 | $16.4M |
Source: SEC EDGAR filings · CIK 0000310158 · as of 2025-12-31. Facts from filings plus Stocktoria's own computed scores — not investment advice.