Filing Flows › Merck (MRK) › Who owns the stock
Who owns Merck (MRK) stock
3,745 funds reported Merck (MRK) shares in their latest 13F filings, worth $265.2B in all. The largest holder is BlackRock ($29.2B). Last quarter 1,616 funds added to their stakes and 1466 cut them. Members of Congress and other officials disclosed 8 trades (4 buys, 4 sales).
Largest holders (13F)
| Fund | Shares | Value | Change | Quarter |
|---|---|---|---|---|
| BlackRock | 226,999,837 | $29.2B | increase | 2026-06-30 |
| Vanguard Group | 254,322,763 | $26.8B | increase | 2025-12-31 |
| Vanguard Capital Management LLC | 161,323,174 | $20.7B | increase | 2026-06-30 |
| State Street | 120,413,256 | $15.6B | increase | 2026-06-30 |
| Wellington Management Group LLP | 86,249,283 | $11.1B | increase | 2026-06-30 |
| Vanguard Portfolio Management LLC | 67,738,969 | $8.7B | increase | 2026-06-30 |
| Geode Capital Management, LLC | 60,744,214 | $7.8B | increase | 2026-06-30 |
| Charles Schwab Investment Management | 54,365,289 | $7.0B | increase | 2026-06-30 |
| Morgan Stanley | 48,641,158 | $6.3B | increase | 2026-06-30 |
| FMR LLC | 45,440,355 | $5.8B | increase | 2026-06-30 |
| Fisher Asset Management, LLC | 38,516,263 | $4.9B | increase | 2026-06-30 |
| Bank of America | 30,535,208 | $3.9B | decrease | 2026-06-30 |
| Northern Trust | 26,275,718 | $3.4B | decrease | 2026-06-30 |
| Goldman Sachs Group | 22,075,139 | $2.8B | increase | 2026-06-30 |
| Franklin Resources | 19,548,585 | $2.5B | increase | 2026-06-30 |
Trades by Congress and other officials
| Date | Who | Trade | Amount |
|---|---|---|---|
| 2026-09-24 | Maria Elvira Salazar | partial sale | $1K–$15K |
| 2026-08-19 | Maria Elvira Salazar | purchase | $15K–$50K |
| 2026-03-27 | Alan Armstrong | sale | $15K–$50K |
| 2026-02-04 | Josh Gottheimer | purchase | $1K–$15K |
| 2025-12-19 | Gilbert Cisneros | purchase | $1K–$15K |
| 2025-12-18 | Julie Johnson | sale | $1K–$15K |
| 2025-11-18 | Gilbert Cisneros | purchase | $1K–$15K |
| 2025-11-13 | Julie Johnson | partial sale | $1K–$15K |
Merck's latest quarter
Merck, Q3 2026: revenue $18.1B (+5% year over year), operating margin 30.7%, net earnings $5.1B, operating cash flow $6.6B. The chart follows the revenue to costs, profit and cash.
Questions
Who owns the most MRK stock?
By the latest 13F filings: BlackRock ($29.2B); Vanguard Group ($26.8B); Vanguard Capital Management LLC ($20.7B); State Street ($15.6B); Wellington Management Group LLP ($11.1B).
Has Congress traded MRK stock?
Officials disclosed 8 trades on file: 4 buys and 4 sales. The latest: Maria Elvira Salazar, partial sale on 2026-09-24.
What is the short interest in MRK?
26,825,098 shares were sold short at the 2026-10-15 settlement, -5.12% of the float.
Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.