3,416 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, 1,332 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: 179 | Existing positions closed: 277

Holders
3,416
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
1226
$2.76M
1227
$2.76M
1228
$2.76M
1229
$2.75M
1230
$2.75M
1231
$2.75M
1232
$2.74M
1233
$2.73M
1234
$2.73M
1235
$2.73M
1236
$2.72M
1237
$2.71M
1238
$2.71M
1239
$2.71M
1240
$2.71M
1241
$2.71M
1242
$2.7M
1243
$2.7M
1244
$2.7M
1245
$2.69M
1246
$2.69M
1247
$2.69M
1248
$2.68M
1249
$2.68M
1250
$2.68M