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
3076
$227K
3077
$227K
3078
$227K
3079
$227K
3080
$226K
3081
$226K
3082
$226K
3083
$225K
3084
$225K
3085
$224K
3086
$224K
3087
$224K
3088
$224K
3089
$224K
3090
$223K
3091
$223K
3092
$223K
3093
$223K
3094
$223K
3095
$222K
3096
$222K
3097
$221K
3098
$220K
3099
$220K
3100
$220K