Position history for WELLINGTON MANAGEMENT GROUP LLP's holdings in MERCK & CO INC
WELLINGTON MANAGEMENT GROUP LLP holds 84.3M shares of MRK (MERCK & CO INC), worth $10.1B as of 2026-Q1. The position was decreased (-2.5% shares). MRK represents 1.9% of WELLINGTON MANAGEMENT GROUP LLP's portfolio.
Current Value
$10.1B
Current Shares
84.3M
Total Value Change
+$1.2B
Total Shares Change
+11.8M
Other major holders of MRK: UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
Decreased |
| 84.3M |
-2.5% |
| $10.1B |
| 1.9% |
| $119.83 |
0 |
| 2025-Q4 | Increased | 86.4M | +14.8% | $9.1B | 1.6% | $106.06 | 58 |
| 2025-Q3 | Decreased | 75.3M | -2.0% | $6.3B | 1.1% | $77.91 | 0 |
| 2025-Q2 | Decreased | 76.9M | -5.9% | $6.1B | 1.1% | $77.66 | 0 |
| 2025-Q1 | Increased | 81.7M | +1.1% | $7.3B | 1.4% | $86.74 | 51 |
| 2024-Q4 | Increased | 80.7M | +6.5% | $8B | 1.5% | $94.81 | 54 |
| 2024-Q3 | Increased | 75.8M | +4.6% | $8.6B | 1.5% | $108.70 | 53 |
| 2024-Q2 | Decreased | 72.5M | -16.1% | $9B | 1.6% | $117.58 | 0 |