Position history for BlackRock, Inc.'s holdings in MERCK & CO INC
BlackRock, Inc. holds 225.8M shares of MRK (MERCK & CO INC), worth $27.2B as of 2026-Q1. The position was increased (+3.1% shares). MRK represents 0.5% of BlackRock, Inc.'s portfolio.
Current Value
$27.2B
Current Shares
225.8M
Total Value Change
+$5.1B
Total Shares Change
+3.7M
Other major holders of MRK: UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
Increased |
| 225.8M |
+3.1% |
| $27.2B |
| 0.5% |
| $119.83 |
39 |
| 2025-Q4 | Increased | 219.1M | +2.0% | $23.1B | 0.4% | $106.06 | 39 |
| 2025-Q3 | Decreased | 214.9M | -1.6% | $18B | 0.3% | $77.91 | 0 |
| 2025-Q2 | Decreased | 218.3M | -3.1% | $17.3B | 0.3% | $77.66 | 0 |
| 2025-Q1 | Increased | 225.4M | +1.5% | $20.2B | 0.4% | $86.74 | 39 |
| 2024-Q4 | New | 222.1M | - | $22.1B | 0.4% | $94.81 | 53 |