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
151
$121M
152
$120M
153
$119M
154
$118M
155
$118M
156
$116M
157
$116M
158
$115M
159
$112M
160
$111M
161
$111M
162
$111M
163
$109M
164
$109M
165
$107M
166
$106M
167
$106M
168
$105M
169
$105M
170
$104M
171
$103M
172
$102M
173
$100M
174
$96.4M
175
$94.1M