Institutional Ownership
Merck & Co Inc
CUSIP 58933Y105COMMRKQ1 2026
Institutional Holders
3,733
13F filers
Shares Held
1.67B
Aggregate institutional
Institutional Value
$191.52B
Q1 2026
Net New Holders
+132
256 new · 124 closed
Institutional Ownership Trend
Aggregate 13F value by quarter
Multi-quarter trend — upgrade to see history
UpgradePosition Activity
Q1 2026
New positions256
Increased1,437
Decreased1,575
Sold out124
Institutional Holders
3,733 funds hold this security · Q1 2026
| # | Fund | Shares | Value | Δ Shares | Activity |
|---|---|---|---|---|---|
| 1 | Blackrock, Inc. | 225.83M | $27.17B | +6.73M | Added |
| 2 | State Street Corp | 119.33M | $14.45B | −714.5K | Reduced |
| 3 | Wellington Management Group LLP | 84.31M | $10.14B | −2.12M | Reduced |
| 4 | Geode Capital Management, LLC | 59.56M | $7.14B | −489.8K | Reduced |
| 5 | Jpmorgan Chase & Co | 52.97M | $6.26B | +23.77M | Added |
| 6 | Charles Schwab Investment Management Inc | 49.77M | $5.99B | +1.20M | Added |
| 7 | Morgan Stanley | 47.63M | $5.73B | +2.69M | Added |
| 8 | Fmr LLC | 44.52M | $5.35B | +3.68M | Added |
| 9 | Bank Of America Corp /De/ | 30.77M | $3.70B | +2.92M | Added |
| 10 | Northern Trust Corp | 27.09M | $3.26B | −144.6K | Reduced |
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