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
Kayne Anderson Rudnick Investment Management
751
Kayne Anderson Rudnick Investment Management
California
$6.51M
MOS
752
MGO One Seven
Ohio
$6.49M
ECM
753
Everence Capital Management
Indiana
$6.47M
PAS
754
Park Avenue Securities
New York
$6.46M
GT
755
Greenleaf Trust
Michigan
$6.46M
LNB
756
Ledyard National Bank
$6.45M
TSS
757
Thomas Story & Son
Indiana
$6.44M
CSIC
758
Clifford Swan Investment Counsel
California
$6.44M
SS
759
Sunbelt Securities
Texas
$6.43M
OAM
760
Ostrum Asset Management
France
$6.43M
CCT
761
Chemung Canal Trust
New York
$6.41M
ANTB
762
AMG National Trust Bank
Colorado
$6.4M
PWP
763
Principle Wealth Partners
Connecticut
$6.37M
PWM
764
Perigon Wealth Management
California
$6.34M
RHAM
765
Round Hill Asset Management
California
$6.32M
CFO
766
Callan Family Office
Pennsylvania
$6.3M
CIC
767
Carnegie Investment Counsel
Ohio
$6.28M
IPW
768
Inlet Private Wealth
Florida
$6.25M
TCOT
769
Trust Company of Toledo
Ohio
$6.19M
VT
770
Vise Technologies
New York
$6.17M
MWM
771
Meridian Wealth Management
Kentucky
$6.17M
HWAM
772
Hennion & Walsh Asset Management
New Jersey
$6.17M
WAL
773
W Advisors LLC
Tennessee
$6.17M
AAM
774
Augustine Asset Management
Florida
$6.13M
BJL
775
Brighton Jones LLC
Washington
$6.12M