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
WH
2101
Willner & Heller
California
$648K
Edgewood Management
2102
Edgewood Management
Connecticut
$648K
HFM
2103
Hartford Funds Management
Pennsylvania
$647K
HTHT
2104
Hemenway Trust Hemenway Trust
New Hampshire
$647K
KRW
2105
Kaufman Rossin Wealth
Florida
$647K
RC
2106
Rexford Capital
Texas
$646K
CWMK
2107
Caliber Wealth Management (Kansas)
Kansas
$643K
MEAC
2108
M.E. Allison & Co
Texas
$641K
1CP
2109
17 Capital Partners
Arizona
$641K
GSC
2110
G&S Capital
Colorado
$640K
FA
2111
Faithward Advisors
Pennsylvania
$638K
SFG
2112
Stonebridge Financial Group
Pennsylvania
$638K
QC
2113
Quent Capital
New York
$637K
RWI
2114
Red Wave Investments
Pennsylvania
$636K
AFC
2115
AFT Forsyth & Company
Florida
$634K
SWA
2116
SOA Wealth Advisors
New York
$633K
WMA
2117
West Michigan Advisors
Michigan
$631K
AP
2118
Appleton Partners
Massachusetts
$630K
MAM
2119
Meeder Asset Management
Ohio
$628K
SFO
2120
Stokes Family Office
Louisiana
$628K
MFG
2121
Mosaic Financial Group
Illinois
$626K
LGA
2122
Lebenthal Global Advisors
New York
$624K
TL
2123
Tradewinds LLC
North Carolina
$624K
WSCM
2124
Wellington Shields Capital Management
New York
$624K
CIC
2125
Chase Investment Counsel
Virginia
$624K