3,289 hedge funds and large institutions have $159B invested in Merck in 2025 Q3 according to their latest regulatory filings, with 189 funds opening new positions, 1,344 increasing their positions, 1,420 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: 3,3103,289 (-21)

5% less repeat investments, than reductions

Existing positions increased: 1,344 | Existing positions reduced: 1,420

2.22% less ownership

Funds ownership: 78.27%76.04% (-2.2%)

Holders
3,289
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 -$847M
2 -$568M
3 -$443M
4
BlackRock
BlackRock
New York
-$285M
5
Goldman Sachs
Goldman Sachs
New York
-$278M
Name Holding Trade Value Shares
Change
Change in
Stake
CII
1751
Capital International Inc
California
$1.07M
AIA
1752
Affinity Investment Advisors
California
$1.07M
BA
1753
Bristlecone Advisors
Washington
$1.07M
P
1754
Pitcairn
Pennsylvania
$1.06M
WW
1755
Winnow Wealth
Texas
$1.06M
JGIA
1756
Jackson Grant Investment Advisers
Connecticut
$1.06M
RCA
1757
Resonant Capital Advisors
Wisconsin
$1.06M
FAM
1758
Formidable Asset Management
Ohio
$1.06M
CA
1759
CoreCap Advisors
Michigan
$1.06M
AA
1760
Alta Advisers
United Kingdom
$1.06M
ABLA
1761
Alan B. Lancz & Associates
Ohio
$1.06M
DCM
1762
DGS Capital Management
New Jersey
$1.05M
TCWM
1763
Total Clarity Wealth Management
Illinois
$1.05M
LA
1764
LexAurum Advisors
Kansas
$1.05M
MAM
1765
Mirabaud Asset Management
United Kingdom
$1.05M
QWM
1766
Quadcap Wealth Management
Texas
$1.05M
SWP
1767
Summit Wealth Partners
Florida
$1.05M
BPFA
1768
Barnes Pettey Financial Advisors
Mississippi
$1.05M
MLA
1769
MB, Levis & Associates
Pennsylvania
$1.05M
SI
1770
Severin Investments
Missouri
$1.05M
CA
1771
Claro Advisors
Massachusetts
$1.05M
FFN
1772
Focus Financial Network
Minnesota
$1.04M
CAG
1773
Csenge Advisory Group
Florida
$1.04M
Axa
1774
Axa
France
$1.04M
WAM
1775
WNY Asset Management
New York
$1.04M