3,435 hedge funds and large institutions have $177B invested in Merck in 2025 Q1 according to their latest regulatory filings, with 179 funds opening new positions, 1,340 increasing their positions, 1,596 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: 1,340 | Existing positions reduced: 1,596

36% less first-time investments, than exits

New positions opened: 179 | Existing positions closed: 278

Holders
3,435
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
3126
$212K
3127
$212K
3128
$212K
3129
$212K
3130
$211K
3131
$211K
3132
$211K
3133
$211K
3134
$211K
3135
$210K
3136
$210K
3137
$210K
3138
$210K
3139
$210K
3140
$210K
3141
$209K
3142
$209K
3143
$209K
3144
$209K
3145
$208K
3146
$208K
3147
$207K
3148
$207K
3149
$207K
3150
$206K