Merck
MRK
MRK
3,542 hedge funds and large institutions have $205B invested in Merck in 2025 Q4 according to their latest regulatory filings, with 483 funds opening new positions, 1,356 increasing their positions, 1,375 reducing their positions, and 127 closing their positions.
New
Increased
Maintained
Reduced
Closed
more first-time investments, than exits
New positions opened: | Existing positions closed:
more funds holding in top 10
Funds holding in top 10: →
more call options, than puts
Call options by funds: $ | Put options by funds: $
more capital invested
Capital invested by funds: $ → $
8% more funds holding
Funds holding: 3,288 → 3,542 (+254)
2.72% more ownership
Funds ownership: 76.05% → 78.76% (+2.7%)
1% less repeat investments, than reductions
Existing positions increased: 1,356 | Existing positions reduced: 1,375
Holders
3,542
Holding in Top 10
77
Calls
$3.75B
Puts
$2.61B
Top Buyers
| 1 | +$1.05B | |
| 2 | +$903M | |
| 3 | +$696M | |
| 4 |
Millennium Management
New York
|
+$567M |
| 5 |
Citadel Advisors
Miami,
Florida
|
+$549M |
Top Sellers
| 1 | -$823M | |
| 2 | -$563M | |
| 3 | -$482M | |
| 4 |
Assenagon Asset Management
Senningerberg,
Luxembourg
|
-$465M |
| 5 |
ClearBridge Investments
New York
|
-$410M |
