3,311 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, 1,287 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: 1,287 | 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
3,311
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
76
$298M
77
$296M
78
$292M
79
$288M
80
$288M
81
$287M
82
$281M
83
$275M
84
$274M
85
$270M
86
$262M
87
$261M
88
$259M
89
$250M
90
$249M
91
$249M
92
$246M
93
$243M
94
$236M
95
$233M
96
$212M
97
$207M
98
$197M
99
$196M
100
$194M