3,431 hedge funds and large institutions have $177B invested in Merck in 2025 Q1 according to their latest regulatory filings, with 177 funds opening new positions, 1,339 increasing their positions, 1,595 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: 1,339 | Existing positions reduced: 1,595

36% less first-time investments, than exits

New positions opened: 177 | 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
2051
$825K
2052
$824K
2053
$822K
2054
$821K
2055
$819K
2056
$819K
2057
$819K
2058
$818K
2059
$817K
2060
$815K
2061
$814K
2062
$814K
2063
$814K
2064
$813K
2065
$812K
2066
$812K
2067
$809K
2068
$807K
2069
$806K
2070
$804K
2071
$803K
2072
$801K
2073
$797K
2074
$795K
2075
$794K