3,248 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, 1,329 increasing their positions, 1,397 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: 1,329 | Existing positions reduced: 1,397

1% less funds holding

Funds holding: 3,2953,248 (-47)

2.21% less ownership

Funds ownership: 78.03%75.82% (-2.2%)

Holders
3,248
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
CIAM
3301
Caitong International Asset Management
Hong Kong
AWA
3302
Amplius Wealth Advisors
Pennsylvania
RFA
3303
ROI Financial Advisors
Oregon
NCM
3304
Next Capital Management
New York
MC
3305
Machina Capital
France
DWM
3306
Defined Wealth Management
Oregon
CIS
3307
Capital International Sarl
California
GCP
3308
Garda Capital Partners
Minnesota
PA
3309
Prossimo Advisors
California
FWP
3310
Forefront Wealth Partners
Texas
IA
3311
Icon Advisers
Colorado
AMCA
3312
Arthur M. Cohen & Associates
Illinois
CPWM
3313
Cypress Point Wealth Management
Texas
WTG
3314
West Tower Group
Virginia
PAP
3315
Persistent Asset Partners
Hong Kong
LA
3316
Latitude Advisors
Florida
HFRG
3317
Houlihan Financial Resource Group
Virginia
HAM
3318
Harmony Asset Management
Arizona
VWM
3319
Vigilare Wealth Management
Arizona
PW
3320
PUREfi Wealth
Massachusetts
MSRI
3321
Michael S. Ryan Inc
New York
HWMG
3322
Hurlow Wealth Management Group
Indiana
SWM
3323
Seed Wealth Management
Illinois
MWA
3324
Muirfield Wealth Advisors
North Carolina
SXL
3325
Summit X LLC
Missouri