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
1601
$1.5M
1602
$1.5M
1603
$1.5M
1604
$1.5M
1605
$1.5M
1606
$1.49M
1607
$1.49M
1608
$1.49M
1609
$1.48M
1610
$1.48M
1611
$1.48M
1612
$1.48M
1613
$1.48M
1614
$1.48M
1615
$1.48M
1616
$1.48M
1617
$1.48M
1618
$1.47M
1619
$1.47M
1620
$1.47M
1621
$1.46M
1622
$1.46M
1623
$1.45M
1624
$1.45M
1625
$1.44M