3,244 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, 1,326 increasing their positions, 1,396 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: 1,326 | Existing positions reduced: 1,396

1% less funds holding

Funds holding: 3,2933,244 (-49)

2.24% less ownership

Funds ownership: 78.03%75.78% (-2.2%)

Holders
3,244
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
PAS
751
Park Avenue Securities
New York
$6.46M
GT
752
Greenleaf Trust
Michigan
$6.46M
LNB
753
Ledyard National Bank
$6.45M
TSS
754
Thomas Story & Son
Indiana
$6.44M
CSIC
755
Clifford Swan Investment Counsel
California
$6.44M
SS
756
Sunbelt Securities
Texas
$6.43M
OAM
757
Ostrum Asset Management
France
$6.43M
CCT
758
Chemung Canal Trust
New York
$6.41M
ANTB
759
AMG National Trust Bank
Colorado
$6.4M
PWP
760
Principle Wealth Partners
Connecticut
$6.37M
PWM
761
Perigon Wealth Management
California
$6.34M
RHAM
762
Round Hill Asset Management
California
$6.32M
CFO
763
Callan Family Office
Pennsylvania
$6.3M
CIC
764
Carnegie Investment Counsel
Ohio
$6.28M
IPW
765
Inlet Private Wealth
Florida
$6.25M
TCOT
766
Trust Company of Toledo
Ohio
$6.19M
VT
767
Vise Technologies
New York
$6.17M
MWM
768
Meridian Wealth Management
Kentucky
$6.17M
HWAM
769
Hennion & Walsh Asset Management
New Jersey
$6.17M
WAL
770
W Advisors LLC
Tennessee
$6.17M
AAM
771
Augustine Asset Management
Florida
$6.13M
BJL
772
Brighton Jones LLC
Washington
$6.12M
HT
773
Heritage Trust
Oklahoma
$6.11M
PIMJS
774
PKO Investment Management Joint-Stock
Poland
$6.03M
JCM
775
Jacobi Capital Management
Pennsylvania
$6.01M