3,272 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, 1,339 increasing their positions, 1,408 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: 3,3023,272 (-30)

5% less repeat investments, than reductions

Existing positions increased: 1,339 | Existing positions reduced: 1,408

2.19% less ownership

Funds ownership: 78.17%75.99% (-2.2%)

Holders
3,272
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
CBUSF
3326
Construction & Building Unions Superannuation Fund
Australia
CIAM
3327
Caitong International Asset Management
Hong Kong
AWA
3328
Amplius Wealth Advisors
Pennsylvania
RFA
3329
ROI Financial Advisors
Oregon
NCM
3330
Next Capital Management
New York
MC
3331
Machina Capital
France
DWM
3332
Defined Wealth Management
Oregon
CIS
3333
Capital International Sarl
California
GCP
3334
Garda Capital Partners
Minnesota
PA
3335
Prossimo Advisors
California
FWP
3336
Forefront Wealth Partners
Texas
IA
3337
Icon Advisers
Colorado
AMCA
3338
Arthur M. Cohen & Associates
Illinois
CPWM
3339
Cypress Point Wealth Management
Texas
WTG
3340
West Tower Group
Virginia
PAP
3341
Persistent Asset Partners
Hong Kong
LA
3342
Latitude Advisors
Florida
HFRG
3343
Houlihan Financial Resource Group
Virginia
HAM
3344
Harmony Asset Management
Arizona
VWM
3345
Vigilare Wealth Management
Arizona
PW
3346
PUREfi Wealth
Massachusetts
MSRI
3347
Michael S. Ryan Inc
New York
HWMG
3348
Hurlow Wealth Management Group
Indiana
SWM
3349
Seed Wealth Management
Illinois
MWA
3350
Muirfield Wealth Advisors
North Carolina