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
2601
$407K
2602
$407K
2603
$406K
2604
$405K
2605
$405K
2606
$404K
2607
$404K
2608
$404K
2609
$404K
2610
$404K
2611
$403K
2612
$403K
2613
$403K
2614
$402K
2615
$401K
2616
$401K
2617
$400K
2618
$400K
2619
$400K
2620
$400K
2621
$399K
2622
$399K
2623
$399K
2624
$397K
2625
$397K