Institutional Ownership
Merck & Co Inc
CUSIP 58933Y105COMMRKQ1 2026
13D / 13G Filings
11
Schedule 13D/13G on record
Beneficial Filers
3
Distinct reporting persons
Largest Stake
10.0%
Max % of class reported
Institutional Holders
3,733
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
11 filings · latest Mar 6, 2025
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Mar 6, 2025 | The Vanguard Group | 13G/A | 10.0% | 253.26M | SEC |
| 2 | Feb 13, 2024 | Vanguard Group Inc | 13G/A | 9.7% | 244.77M | SEC |
| 3 | Jan 26, 2024 | Blackrock Inc. | 13G/A | 8.0% | 201.84M | SEC |
| 4 | Feb 9, 2023 | Vanguard Group Inc | 13G/A | 9.0% | 227.21M | SEC |
| 5 | Feb 3, 2023 | Blackrock Inc. | 13G/A | 8.5% | 215.01M | SEC |
| 6 | Feb 9, 2022 | Vanguard Group Inc | 13G/A | 8.4% | 211.20M | SEC |
| 7 | Feb 1, 2022 | Blackrock Inc. | 13G/A | 7.8% | 198.22M | SEC |
| 8 | Feb 10, 2021 | Vanguard Group Inc | 13G/A | 8.2% | 208.41M | SEC |
| 9 | Feb 5, 2021 | Blackrock Inc. | 13G/A | 7.8% | 196.21M | SEC |
| 10 | Feb 12, 2020 | Vanguard Group Inc | 13G/A | 8.3% | 210.54M | SEC |
1 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Merck & Co Inc.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Blackrock, Inc. | 225.83M | $27.17B |
| 2 | State Street Corp | 119.33M | $14.45B |
| 3 | Wellington Management Group LLP | 84.31M | $10.14B |
| 4 | Geode Capital Management, LLC | 59.56M | $7.14B |
| 5 | Jpmorgan Chase & Co | 52.97M | $6.26B |
| 6 | Charles Schwab Investment Management Inc | 49.77M | $5.99B |
| 7 | Morgan Stanley | 47.63M | $5.73B |
| 8 | Fmr LLC | 44.52M | $5.35B |
| 9 | Bank Of America Corp /De/ | 30.77M | $3.70B |
| 10 | Northern Trust Corp | 27.09M | $3.26B |