3,420 hedge funds and large institutions have $177B invested in Merck in 2025 Q1 according to their latest regulatory filings, with 178 funds opening new positions, 1,334 increasing their positions, 1,589 reducing their positions, and 278 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: 7365 (-8)

16% less repeat investments, than reductions

Existing positions increased: 1,334 | Existing positions reduced: 1,589

36% less first-time investments, than exits

New positions opened: 178 | Existing positions closed: 278

Holders
3,420
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
65
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
$165M
127
$163M
128
$163M
129
$161M
130
$161M
131
$158M
132
$150M
133
$150M
134
$148M
135
$148M
136
$147M
137
$145M
138
$139M
139
$138M
140
$136M
141
$135M
142
$135M
143
$133M
144
$132M
145
$131M
146
$130M
147
$129M
148
$129M
149
$125M
150
$123M