3,256 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, 1,333 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: 1,333 | Existing positions reduced: 1,399

1% less funds holding

Funds holding: 3,2973,256 (-41)

2.2% less ownership

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

Holders
3,256
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
GDP
1976
Great Diamond Partners
Maine
$777K
CSC
1977
Caldwell Sutter Capital
California
$777K
SFG
1978
SNS Financial Group
Minnesota
$776K
TCM
1979
Towercrest Capital Management
Pennsylvania
$772K
AWMG
1980
Alliance Wealth Management Group
New Jersey
$772K
CCA
1981
Cypress Capital Advisors
Tennessee
$770K
FCAS
1982
First Command Advisory Services
Texas
$768K
TBNY
1983
Trustco Bank (New York)
New York
$766K
AWP
1984
Abacus Wealth Partners
California
$766K
CCC
1985
Compass Capital Corp
Massachusetts
$766K
SFA
1986
Souders Financial Advisors
Ohio
$765K
RL
1987
Rogco LP
Oklahoma
$765K
CAI
1988
Capital Advisors Inc
Oklahoma
$765K
CWM
1989
Connecticut Wealth Management
Connecticut
$764K
LIA
1990
LBMC Investment Advisors
Tennessee
$760K
I
1991
InvesTrust
Oklahoma
$760K
LAI
1992
Legal Advantage Investments
California
$759K
WCM
1993
Washington Capital Management
Washington
$758K
PCA
1994
Peddock Capital Advisors
Massachusetts
$758K
CFA
1995
Capstone Financial Advisors
Illinois
$756K
LAM
1996
Lynch Asset Management
Pennsylvania
$755K
WPA
1997
West Paces Advisors
Georgia
$752K
WTA
1998
Washington Trust Advisors
Massachusetts
$751K
IFWM
1999
Institute for Wealth Management
Colorado
$749K
ONST
2000
Old North State Trust
North Carolina
$749K