3,435 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, 1,340 increasing their positions, 1,596 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: 1,340 | Existing positions reduced: 1,596

36% less first-time investments, than exits

New positions opened: 179 | Existing positions closed: 278

Holders
3,435
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
1576
$1.57M
1577
$1.57M
1578
$1.57M
1579
$1.57M
1580
$1.57M
1581
$1.56M
1582
$1.56M
1583
$1.56M
1584
$1.56M
1585
$1.56M
1586
$1.55M
1587
$1.55M
1588
$1.55M
1589
$1.54M
1590
$1.53M
1591
$1.53M
1592
$1.53M
1593
$1.53M
1594
$1.53M
1595
$1.53M
1596
$1.53M
1597
$1.53M
1598
$1.52M
1599
$1.52M
1600
$1.52M