3,312 hedge funds and large institutions have $158B invested in Merck in 2025 Q2 according to their latest regulatory filings, with 180 funds opening new positions, 1,288 increasing their positions, 1,532 reducing their positions, and 252 closing their positions.

New
Increased
Maintained
Reduced
Closed

more ownership

Funds ownership:

more call options, than puts

Call options by funds: $ | Put options by funds: $

less funds holding

Funds holding:

less capital invested

Capital invested by funds: $ → $

16% less repeat investments, than reductions

Existing positions increased: 1,288 | Existing positions reduced: 1,532

29% less first-time investments, than exits

New positions opened: 180 | Existing positions closed: 252

35% less funds holding in top 10

Funds holding in top 10: 6542 (-23)

Holders
3,312
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
42
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$2.52B
Puts
$2.44B
Net Calls
Net Calls Change

Top Buyers

1 +$408M
2 +$405M
3 +$369M
4
UBS AM
UBS AM
Illinois
+$349M
5
Goldman Sachs
Goldman Sachs
New York
+$320M

Top Sellers

1 -$636M
2 -$561M
3 -$383M
4
UBS Group
UBS Group
Switzerland
-$331M
5
Bank of America
Bank of America
North Carolina
-$243M
Name Holding Trade Value Shares
Change
Change in
Stake
726
$6.7M
727
$6.69M
728
$6.69M
729
$6.68M
730
$6.62M
731
$6.62M
732
$6.58M
733
$6.57M
734
$6.54M
735
$6.51M
736
$6.49M
737
$6.47M
738
$6.47M
739
$6.46M
740
$6.42M
741
$6.41M
742
$6.39M
743
$6.35M
744
$6.34M
745
$6.32M
746
$6.26M
747
$6.24M
748
$6.21M
749
$6.19M
750
$6.16M