3,288 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, 1,419 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: 3,3093,288 (-21)

5% less repeat investments, than reductions

Existing positions increased: 1,344 | Existing positions reduced: 1,419

2.22% less ownership

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

Holders
3,288
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
RTC
3051
Riverview Trust Company
Washington
$187K
NECFA
3052
New England Capital Financial Advisors
Connecticut
$181K
KA
3053
Kozak & Associates
Colorado
$179K
RPA
3054
Redwood Park Advisors
California
$174K
PPA
3055
Painted Porch Advisors
California
$169K
MUAMU
3056
Mitsubishi UFJ Asset Management (UK)
United Kingdom
$168K
SIC
3057
SJS Investment Consulting
Ohio
$168K
CTC
3058
Corundum Trust Company
South Dakota
$165K
PCM
3059
Penserra Capital Management
California
$164K
1M
3060
1248 Management
Missouri
$162K
GCM
3061
Goldstream Capital Management
Hong Kong
$154K
AAG
3062
Armstrong Advisory Group
Massachusetts
$154K
MAS
3063
MPWM Advisory Solutions
Georgia
$150K
TFGT
3064
TS Financial Group (TSFG)
Illinois
$149K
SNB
3065
Security National Bank
Nebraska
$149K
RFG
3066
REAP Financial Group
Texas
$148K
FFO
3067
Fortitude Family Office
Arizona
$147K
SAM
3068
Sherman Asset Management
California
$143K
FWA
3069
Flagship Wealth Advisors
Massachusetts
$142K
AW
3070
Avion Wealth
Texas
$140K
KFP
3071
Kerr Financial Planning
California
$138K
1NWS
3072
1 North Wealth Services
Maryland
$136K
BWM
3073
Bernard Wealth Management
Michigan
$134K
PP
3074
Pacifica Partners
Canada
$134K
FDW
3075
Fourth Dimension Wealth
Ohio
$134K