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
CPA
2026
Capital Performance Advisors
California
$726K
AIM
2027
Athena Investment Management
California
$726K
ECA
2028
Elevate Capital Advisors
Colorado
$726K
WAG
2029
Winthrop Advisory Group
Massachusetts
$722K
VWM
2030
Venturi Wealth Management
Texas
$722K
WAM
2031
Weinberger Asset Management
California
$719K
WAM
2032
Wakefield Asset Management
Colorado
$719K
YIA
2033
YHB Investment Advisors
Connecticut
$719K
MCM
2034
McRae Capital Management
New Jersey
$718K
VAM
2035
Verity Asset Management
North Carolina
$717K
KA
2036
Kovack Advisors
Florida
$716K
IF
2037
Intrua Financial
Texas
$714K
AWM
2038
Avaii Wealth Management
Wisconsin
$714K
GCM
2039
Generation Capital Management
New York
$711K
KFA
2040
Kapstone Financial Advisors
Ohio
$710K
SA
2041
Strategic Advisors
New York
$709K
SIA
2042
SGL Investment Advisors
Montana
$709K
MCM
2043
Magnolia Capital Management
New York
$705K
NA
2044
Navellier & Associates
Nevada
$704K
EBSAM
2045
Eubel Brady & Suttman Asset Management
Ohio
$704K
LRPA
2046
L. Roy Papp & Associates
Arizona
$700K
GWM
2047
Greenwich Wealth Management
Connecticut
$700K
BFG
2048
Berger Financial Group
Minnesota
$698K
RIG
2049
Renaissance Investment Group
Massachusetts
$696K
SEIA
2050
Signature Estate & Investment Advisors
California
$696K