3,253 hedge funds and large institutions have $159B invested in Merck in 2025 Q3 according to their latest regulatory filings, with 191 funds opening new positions, 1,331 increasing their positions, 1,399 reducing their positions, and 147 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: $ → $

5% less repeat investments, than reductions

Existing positions increased: 1,331 | Existing positions reduced: 1,399

1% less funds holding

Funds holding: 3,2963,253 (-43)

2.2% less ownership

Funds ownership: 78.07%75.87% (-2.2%)

Holders
3,253
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
PTC
901
Philadelphia Trust Company
Pennsylvania
$4.39M
SC
902
Searle & Co
Connecticut
$4.38M
MPI
903
Mairs & Power Inc
Minnesota
$4.38M
TCM
904
Twin Capital Management
Pennsylvania
$4.37M
FTWA
905
Fifth Third Wealth Advisors
Ohio
$4.37M
EM
906
Excalibur Management
Massachusetts
$4.36M
HH
907
Hilltop Holdings
Texas
$4.36M
MCM
908
Mengis Capital Management
Oregon
$4.36M
TI
909
tru Independence
Oregon
$4.35M
VSQM
910
V-Square Quantitative Management
Illinois
$4.35M
TCMP
911
Thrive Capital Management (Pennsylvania)
Pennsylvania
$4.32M
LS
912
Leelyn Smith
Illinois
$4.32M
ET
913
Equitable Trust
Tennessee
$4.32M
MFG
914
Monte Financial Group
Connecticut
$4.31M
SCA
915
Sage Capital Advisors
South Dakota
$4.29M
MWM
916
MOKAN Wealth Management
Kansas
$4.28M
OIA
917
OneDigital Investment Advisors
Kansas
$4.27M
Simplex Trading
918
Simplex Trading
Illinois
$4.27M
IWM
919
IHT Wealth Management
Illinois
$4.23M
PWMAG
920
Pinnacle Wealth Management Advisory Group
New Jersey
$4.2M
KSCM
921
Kamunting Street Capital Management
Florida
$4.2M
VIA
922
Vickerman Investment Advisors
Washington
$4.2M
BTI
923
Blue Trust Inc
Georgia
$4.19M
OAM
924
Occidental Asset Management
California
$4.19M
SCP
925
Shorepoint Capital Partners
Massachusetts
$4.17M