Merck & Co., Inc.
MRK- Exchange
- NYSE
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0000310158
In the last 90 days, Merck & Co., Inc. insiders filed 0 open-market purchases and 7 sales; 3,855 institutions reported holding it in 13F filings for Q2 2026, worth $254.3B in total; 4 superinvestors hold it, including Harris Associates (Oakmark) and Fairfax Financial.
Q4 2021 vs. Q3 2021
How the institutions holding Merck & Co., Inc. changed between Q3 2021 and Q4 2021.
All holders in Q4 2021All holders in Q3 2021
| Measure | Q3 2021 | Of which not filed for Q4 2021 | Q4 2021 | Change |
|---|---|---|---|---|
| Holders | 2,658 | 42 | 2,910 | +294 |
| Shares | 1.85B | 1.86M | 1.85B | +9.41M (+0.5%) |
| Value | $138.8B | $138.0M | $142.2B | +$3.54B (+2.6%) |
42 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so the changes leave them out.
New holders (388)
Institutions that held Merck & Co., Inc. at the end of Q4 2021 but not at the end of Q3 2021.
Showing the largest 100 of 388 by value.
Sold out (94)
Institutions that held Merck & Co., Inc. at the end of Q3 2021 and filed for Q4 2021 without it.
Not filed for Q4 2021 yet (42)
Institutions that held Merck & Co., Inc. at the end of Q3 2021 and haven't filed a 13F for Q4 2021. Not filing isn't selling, so they aren't counted as sold out.