3,288 hedge funds and large institutions have $159B invested in Merck in 2025 Q3 according to their latest regulatory filings, with 189 funds opening new positions, 1,344 increasing their positions, 1,419 reducing their positions, and 150 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more call options, than puts

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

more funds holding in top 10

Funds holding in top 10:

more capital invested

Capital invested by funds: $ → $

1% less funds holding

Funds holding: 3,3093,288 (-21)

5% less repeat investments, than reductions

Existing positions increased: 1,344 | Existing positions reduced: 1,419

2.22% less ownership

Funds ownership: 78.27%76.04% (-2.2%)

Holders
3,288
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
46
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$2.83B
Puts
$2.51B
Net Calls
Net Calls Change

Top Sellers

1 -$847M
2 -$568M
3 -$443M
4
BlackRock
BlackRock
New York
-$285M
5
Goldman Sachs
Goldman Sachs
New York
-$278M
Name Holding Trade Value Shares
Change
Change in
Stake
AAM
726
Azzad Asset Management
Virginia
$7.22M
WAM
727
Winslow Asset Management
Ohio
$7.14M
CIA
728
Choate Investment Advisors
Massachusetts
$7.13M
GIA
729
Gladstone Institutional Advisory
Florida
$7.08M
WIC
730
WealthBridge Investment Counsel
Alberta, Canada
$7.01M
SC
731
Savant Capital
Illinois
$7.01M
OHIS
732
Oak Harvest Investment Services
Texas
$6.99M
DWP
733
Daymark Wealth Partners
Ohio
$6.98M
STA
734
Summit Trail Advisors
New York
$6.96M
MCM
735
Mill Capital Management
North Carolina
$6.92M
DDC
736
DF Dent & Co
Maryland
$6.89M
CCB
737
Country Club Bank
Missouri
$6.88M
CAM
738
Carret Asset Management
New York
$6.88M
RWA
739
River Wealth Advisors
Pennsylvania
$6.88M
CDDEC
740
Caisse Des Depots Et Consignations
France
$6.86M
GCM
741
Gibraltar Capital Management
Oklahoma
$6.85M
LNWWM
742
Laird Norton Wetherby Wealth Management
California
$6.84M
SAM
743
Synergy Asset Management
Washington
$6.84M
SIG
744
Sky Investment Group
Connecticut
$6.83M
EGM
745
Engineers Gate Manager
New York
$6.82M
MA
746
Mutual Advisors
Nebraska
$6.8M
NPT
747
Nixon Peabody Trust
Massachusetts
$6.74M
Envestnet Portfolio Solutions
748
Envestnet Portfolio Solutions
Illinois
$6.74M
NSEDCP
749
NJ State Employees Deferred Compensation Plan
New Jersey
$6.74M
AWA
750
Arkadios Wealth Advisors
Georgia
$6.71M