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
901
$5.17M
902
$5.16M
903
$5.16M
904
$5.15M
905
$5.15M
906
$5.12M
907
$5.1M
908
$5.09M
909
$5.09M
910
$5.07M
911
$5.07M
912
$5.03M
913
$5.02M
914
$5.02M
915
$4.99M
916
$4.97M
917
$4.95M
918
$4.94M
919
$4.94M
920
$4.93M
921
$4.93M
922
$4.92M
923
$4.91M
924
$4.91M
925
$4.91M