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3,445 hedge funds and large institutions have $181B invested in Merck in 2025 Q1 according to their latest regulatory filings, with 181 funds opening new positions, 1,345 increasing their positions, 1,597 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: $

more 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: 1,345 | Existing positions reduced: 1,597

35% less first-time investments, than exits

New positions opened: 181 | Existing positions closed: 277

Holders
3,445
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
$165M
128
$163M
129
$163M
130
$161M
131
$161M
132
$158M
133
$153M
134
$150M
135
$150M
136
$148M
137
$148M
138
$147M
139
$145M
140
$139M
141
$138M
142
$136M
143
$136M
144
$135M
145
$135M
146
$133M
147
$132M
148
$131M
149
$130M
150
$129M