3,414 hedge funds and large institutions have $177B invested in Merck in 2025 Q1 according to their latest regulatory filings, with 181 funds opening new positions, 1,332 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: 1,332 | Existing positions reduced: 1,586

35% less first-time investments, than exits

New positions opened: 181 | 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
126
$163M
127
$163M
128
$161M
129
$161M
130
$158M
131
$150M
132
$150M
133
$148M
134
$148M
135
$147M
136
$145M
137
$139M
138
$138M
139
$136M
140
$135M
141
$135M
142
$133M
143
$132M
144
$131M
145
$130M
146
$129M
147
$129M
148
$125M
149
$123M
150
$123M