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%76.05% (-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
LCM
3326
Landscape Capital Management
New Jersey
GCM
3327
Glynn Capital Management
California
QIM
3328
Quantitative Investment Management
Virginia
Parallax Volatility Advisers
3329
Parallax Volatility Advisers
California
TC
3330
TradeLink Capital
Illinois
WI
3331
WBI Investments
New Jersey
I
3332
InceptionR
California
SC
3333
Sapient Capital
Indiana
CGF
3334
Constant Guidance Financial
Massachusetts
KIG
3335
Kessler Investment Group
Indiana
NICM
3336
Neo Ivy Capital Management
New York
TC
3337
TwinBeech Capital
New York
APWA
3338
Atlas Private Wealth Advisors
New Jersey
FAIM
3339
Financial Advocates Investment Management
Washington
F8IS
3340
Figure 8 Investment Strategies
Idaho
CBUSF
3341
Construction & Building Unions Superannuation Fund
Australia
CIAM
3342
Caitong International Asset Management
Hong Kong
AWA
3343
Amplius Wealth Advisors
Pennsylvania
RFA
3344
ROI Financial Advisors
Oregon
NCM
3345
Next Capital Management
New York
MC
3346
Machina Capital
France
DWM
3347
Defined Wealth Management
Oregon
CIS
3348
Capital International Sarl
California
GCP
3349
Garda Capital Partners
Minnesota
PA
3350
Prossimo Advisors
California