BlackRock, Inc.
- SEC CIK
- 0002012383
- Latest filing
- Aug 7, 2026
MRK holding history
Merck & Co., Inc. in every 13F filed by BlackRock, Inc., including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
MRK overviewAll 13F holders of MRKFull Q2 2026 holdings
- Shares (Q2 2026)
- 226,999,837
- Value
- $29.2B
- % of portfolio
- 0.4%
- Quarters held
- 8
- Since Q3 2024
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 226,999,837 | $29.2B | 0.4% | +1,169,507+0.5% | Added | Holders |
| Q1 2026 | 225,830,330 | $27.2B | 0.5% | +6,734,865+3.1% | Added | Holders |
| Q4 2025 | 219,095,465 | $23.1B | 0.4% | +4,218,865+2.0% | Added | Holders |
| Q3 2025 | 214,876,600 | $18.0B | 0.3% | −3,464,232−1.6% | Reduced | Holders |
| Q2 2025 | 218,340,832 | $17.3B | 0.3% | −7,057,399−3.1% | Reduced | Holders |
| Q1 2025 | 225,398,231 | $20.2B | 0.4% | +3,316,386+1.5% | Added | Holders |
| Q4 2024 | 222,081,845 | $22.1B | 0.4% | +10,022,108+4.7% | Added | Holders |
| Q3 2024 | 212,059,737 | $24.1B | 0.5% | – | No prior filing | Holders |