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
2576
$419K
2577
$419K
2578
$419K
2579
$419K
2580
$419K
2581
$418K
2582
$418K
2583
$418K
2584
$418K
2585
$418K
2586
$418K
2587
$418K
2588
$418K
2589
$416K
2590
$416K
2591
$415K
2592
$415K
2593
$414K
2594
$411K
2595
$410K
2596
$408K
2597
$408K
2598
$408K
2599
$407K
2600
$407K