3,273 hedge funds and large institutions have $159B invested in Merck in 2025 Q3 according to their latest regulatory filings, with 190 funds opening new positions, 1,339 increasing their positions, 1,409 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: 3,3023,273 (-29)

5% less repeat investments, than reductions

Existing positions increased: 1,339 | Existing positions reduced: 1,409

2.19% less ownership

Funds ownership: 78.17%75.99% (-2.2%)

Holders
3,273
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 -$863M
2 -$579M
3 -$452M
4
BlackRock
BlackRock
New York
-$291M
5
Goldman Sachs
Goldman Sachs
New York
-$283M
Name Holding Trade Value Shares
Change
Change in
Stake
GIA
726
Gladstone Institutional Advisory
Florida
$7.08M
WIC
727
WealthBridge Investment Counsel
Alberta, Canada
$7.01M
OHIS
728
Oak Harvest Investment Services
Texas
$6.99M
DWP
729
Daymark Wealth Partners
Ohio
$6.98M
STA
730
Summit Trail Advisors
New York
$6.96M
MCM
731
Mill Capital Management
North Carolina
$6.92M
DDC
732
DF Dent & Co
Maryland
$6.89M
CCB
733
Country Club Bank
Missouri
$6.88M
CAM
734
Carret Asset Management
New York
$6.88M
RWA
735
River Wealth Advisors
Pennsylvania
$6.88M
CDDEC
736
Caisse Des Depots Et Consignations
France
$6.86M
GCM
737
Gibraltar Capital Management
Oklahoma
$6.85M
LNWWM
738
Laird Norton Wetherby Wealth Management
California
$6.84M
SAM
739
Synergy Asset Management
Washington
$6.84M
SIG
740
Sky Investment Group
Connecticut
$6.83M
EGM
741
Engineers Gate Manager
New York
$6.82M
MA
742
Mutual Advisors
Nebraska
$6.8M
NPT
743
Nixon Peabody Trust
Massachusetts
$6.74M
Envestnet Portfolio Solutions
744
Envestnet Portfolio Solutions
Illinois
$6.74M
NSEDCP
745
NJ State Employees Deferred Compensation Plan
New Jersey
$6.74M
AWA
746
Arkadios Wealth Advisors
Georgia
$6.71M
BHWA
747
Beacon Harbor Wealth Advisors
Virginia
$6.7M
NMIMC
748
Northwestern Mutual Investment Management Company
Wisconsin
$6.68M
BB
749
Busey Bank
Illinois
$6.67M
1IA
750
1834 Investment Advisors
Wisconsin
$6.67M