3,414 hedge funds and large institutions have $177B invested in Merck in 2025 Q1 according to their latest regulatory filings, with 182 funds opening new positions, 1,331 increasing their positions, 1,586 reducing their positions, and 277 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

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

less ownership

Funds ownership:

less funds holding

Funds holding:

less capital invested

Capital invested by funds: $ → $

11% less funds holding in top 10

Funds holding in top 10: 7264 (-8)

16% less repeat investments, than reductions

Existing positions increased: 1,331 | Existing positions reduced: 1,586

34% less first-time investments, than exits

New positions opened: 182 | Existing positions closed: 277

Holders
3,414
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
64
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$2.57B
Puts
$2.32B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
101
$223M
102
$220M
103
$214M
104
$201M
105
$201M
106
$200M
107
$200M
108
$200M
109
$198M
110
$195M
111
$193M
112
$192M
113
$184M
114
$182M
115
$182M
116
$179M
117
$178M
118
$177M
119
$177M
120
$172M
121
$170M
122
$169M
123
$168M
124
$168M
125
$165M