3,274 hedge funds and large institutions have $159B invested in Merck in 2025 Q3 according to their latest regulatory filings, with 190 funds opening new positions, 1,338 increasing their positions, 1,411 reducing their positions, and 150 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: $ → $

1% less funds holding

Funds holding: 3,3023,274 (-28)

5% less repeat investments, than reductions

Existing positions increased: 1,338 | Existing positions reduced: 1,411

2.14% less ownership

Funds ownership: 78.17%76.03% (-2.1%)

Holders
3,274
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
WIA
1901
Westbourne Investment Advisors
Maryland
$871K
GHAM
1902
Gilman Hill Asset Management
Connecticut
$869K
GF
1903
Gries Financial
Ohio
$868K
SM
1904
Stonegate Management
Illinois
$868K
SOS
1905
Silver Oak Securities
Tennessee
$868K
RPCONE
1906
Retirement Planning Company of New England
Rhode Island
$867K
MPPW
1907
Mitchell & Pahl Private Wealth
Oklahoma
$866K
VCP
1908
Verus Capital Partners
Arizona
$866K
RWP
1909
Ridgecrest Wealth Partners
California
$866K
UIM
1910
Unified Investment Management
Georgia
$865K
PWM
1911
Prentice Wealth Management
New York
$865K
FDCP
1912
Foster Dykema Cabot & Partners
Massachusetts
$864K
QFW
1913
QTR Family Wealth
Florida
$863K
AAM
1914
Aureus Asset Management
Massachusetts
$862K
SWK
1915
Stephen W. Kidder
$861K
HPIA
1916
Hamilton Point Investment Advisors
North Carolina
$860K
ACG
1917
Allen Capital Group
Nebraska
$860K
KA
1918
Klingman & Associates
New York
$855K
WA
1919
WBH Advisory
Maryland
$855K
FWM
1920
Forefront Wealth Management
Pennsylvania
$853K
BOJHT
1921
Bank of Jackson Hole Trust
Wyoming
$852K
NME
1922
Notis-McConarty Edward
$852K
FWC
1923
First Washington Corp
Washington
$850K
PFA
1924
Plotkin Financial Advisors
Maryland
$848K
CBT
1925
CoreFirst Bank & Trust
Kansas
$848K