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
1876
$1.04M
1877
$1.03M
1878
$1.03M
1879
$1.03M
1880
$1.03M
1881
$1.03M
1882
$1.03M
1883
$1.03M
1884
$1.03M
1885
$1.03M
1886
$1.02M
1887
$1.02M
1888
$1.02M
1889
$1.02M
1890
$1.01M
1891
$1.01M
1892
$1.01M
1893
$1.01M
1894
$1M
1895
$1M
1896
$1M
1897
$1M
1898
$1M
1899
$999K
1900
$999K