3,616 hedge funds and large institutions have $207B invested in Merck in 2025 Q4 according to their latest regulatory filings, with 526 funds opening new positions, 1,366 increasing their positions, 1,393 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: 3,2953,616 (+321)

3.22% more ownership

Funds ownership: 76.15%79.37% (+3.2%)

2% less repeat investments, than reductions

Existing positions increased: 1,366 | Existing positions reduced: 1,393

Holders
3,616
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
CP
3651
CenterBook Partners
Connecticut
DFCM
3652
Dark Forest Capital Management
Puerto Rico
WAM
3653
Wolverine Asset Management
Illinois
HI
3654
Humankind Investments
New York
GCP
3655
GSA Capital Partners
United Kingdom
BWM
3656
Bulltick Wealth Management
Florida
HKIM
3657
Hayek Kallen Investment Management
Alabama
SIP
3658
Stoneridge Investment Partners
Pennsylvania
CCM
3659
Campbell Capital Management
Florida
1C
3660
111 Capital
France
ZP
3661
Zimmer Partners
New York
IMC Chicago
3662
IMC Chicago
Illinois
OQS
3663
Occudo Quantitative Strategies
Florida
GA
3664
GraniteShares Advisors
New York
LAM
3665
LECAP Asset Management
United Kingdom
MTIM
3666
Marathon Trading Investment Management
Pennsylvania
Blackstone Inc
3667
Blackstone Inc
New York
QC
3668
Quadrature Capital
United Kingdom
CII
3669
Capital International Inc
California
P
3670
Pitcairn
Pennsylvania
TCWM
3671
Total Clarity Wealth Management
Illinois
TAP
3672
Tounjian Advisory Partners
Florida
AAI
3673
American Assets Inc
California
AA
3674
ABC Arbitrage
France
FAM
3675
Fairtree Asset Management
South Africa