3,612 hedge funds and large institutions have $207B invested in Merck in 2025 Q4 according to their latest regulatory filings, with 524 funds opening new positions, 1,366 increasing their positions, 1,391 reducing their positions, and 130 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding in top 10

Funds holding in top 10:

more call options, than puts

Call options by funds: $ | Put options by funds: $

more capital invested

Capital invested by funds: $ → $

10% more funds holding

Funds holding: 3,2933,612 (+319)

3.22% more ownership

Funds ownership: 76.14%79.36% (+3.2%)

2% less repeat investments, than reductions

Existing positions increased: 1,366 | Existing positions reduced: 1,391

Holders
3,612
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
76
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$3.76B
Puts
$2.62B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
GCP
3651
GSA Capital Partners
United Kingdom
BWM
3652
Bulltick Wealth Management
Florida
HKIM
3653
Hayek Kallen Investment Management
Alabama
SIP
3654
Stoneridge Investment Partners
Pennsylvania
CCM
3655
Campbell Capital Management
Florida
1C
3656
111 Capital
France
ZP
3657
Zimmer Partners
New York
IMC Chicago
3658
IMC Chicago
Illinois
OQS
3659
Occudo Quantitative Strategies
Florida
GA
3660
GraniteShares Advisors
New York
LAM
3661
LECAP Asset Management
United Kingdom
MTIM
3662
Marathon Trading Investment Management
Pennsylvania
Blackstone Inc
3663
Blackstone Inc
New York
QC
3664
Quadrature Capital
United Kingdom
CII
3665
Capital International Inc
California
P
3666
Pitcairn
Pennsylvania
TCWM
3667
Total Clarity Wealth Management
Illinois
TAP
3668
Tounjian Advisory Partners
Florida
AAI
3669
American Assets Inc
California
AA
3670
ABC Arbitrage
France
FAM
3671
Fairtree Asset Management
South Africa
OAM
3672
Oxford Asset Management
United Kingdom
SM
3673
Stonegate Management
Illinois
WIM
3674
Waverton Investment Management
United Kingdom
AIM
3675
Aigen Investment Management
New York