3,582 hedge funds and large institutions have $207B invested in Merck in 2025 Q4 according to their latest regulatory filings, with 506 funds opening new positions, 1,362 increasing their positions, 1,384 reducing their positions, and 129 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: $ → $

9% more funds holding

Funds holding: 3,2893,582 (+293)

3.3% more ownership

Funds ownership: 76.04%79.34% (+3.3%)

2% less repeat investments, than reductions

Existing positions increased: 1,362 | Existing positions reduced: 1,384

Holders
3,582
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
77
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$3.75B
Puts
$2.61B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
ET
3601
Entropy Technologies
New York
NSEDCP
3602
NJ State Employees Deferred Compensation Plan
New Jersey
BJL
3603
Brighton Jones LLC
Washington
ELI
3604
Empire Life Investments
Ontario, Canada
QT
3605
Quantbot Technologies
New York
LOIM
3606
Liberty One Investment Management
Illinois
IFU
3607
iSAM Funds (UK)
United Kingdom
Group One Trading
3608
Group One Trading
Illinois
AAMU
3609
APG Asset Management US
New York
Simplex Trading
3610
Simplex Trading
Illinois
KSCM
3611
Kamunting Street Capital Management
Florida
MIC
3612
Mubadala Investment Company
United Arab Emirates
GMA
3613
Glassy Mountain Advisors
Maryland
AC
3614
Arrow Capital
Australia
XT
3615
XTX Topco
Cayman Islands
SC
3616
SummitTX Capital
Texas
CP
3617
CenterBook Partners
Connecticut
DFCM
3618
Dark Forest Capital Management
Puerto Rico
WAM
3619
Wolverine Asset Management
Illinois
HI
3620
Humankind Investments
New York
GCP
3621
GSA Capital Partners
United Kingdom
BWM
3622
Bulltick Wealth Management
Florida
HKIM
3623
Hayek Kallen Investment Management
Alabama
SIP
3624
Stoneridge Investment Partners
Pennsylvania
CCM
3625
Campbell Capital Management
Florida