3,431 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, 1,338 increasing their positions, 1,594 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: 1,338 | Existing positions reduced: 1,594

36% less first-time investments, than exits

New positions opened: 179 | Existing positions closed: 278

Holders
3,431
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
3026
$241K
3027
$241K
3028
$240K
3029
$240K
3030
$240K
3031
$240K
3032
$239K
3033
$239K
3034
$238K
3035
$238K
3036
$238K
3037
$238K
3038
$237K
3039
$237K
3040
$237K
3041
$236K
3042
$236K
3043
$235K
3044
$235K
3045
$235K
3046
$235K
3047
$235K
3048
$235K
3049
$234K
3050
$234K