3,294 hedge funds and large institutions have $160B invested in Merck in 2025 Q3 according to their latest regulatory filings, with 189 funds opening new positions, 1,347 increasing their positions, 1,421 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: 3,3143,294 (-20)

5% less repeat investments, than reductions

Existing positions increased: 1,347 | Existing positions reduced: 1,421

2.2% less ownership

Funds ownership: 78.35%76.15% (-2.2%)

Holders
3,294
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
GIM
3326
Guardian Investment Management
California
DS
3327
DRW Securities
Illinois
LA
3328
Lindenwold Advisors
Pennsylvania
IC
3329
Iconiq Capital
California
BDWCC
3330
B&D White Capital Company
Texas
AFS
3331
Aft Forsyth & Sober
Florida
LCM
3332
Landscape Capital Management
New Jersey
GCM
3333
Glynn Capital Management
California
QIM
3334
Quantitative Investment Management
Virginia
Parallax Volatility Advisers
3335
Parallax Volatility Advisers
California
TC
3336
TradeLink Capital
Illinois
WI
3337
WBI Investments
New Jersey
I
3338
InceptionR
California
SC
3339
Sapient Capital
Indiana
CGF
3340
Constant Guidance Financial
Massachusetts
KIG
3341
Kessler Investment Group
Indiana
NICM
3342
Neo Ivy Capital Management
New York
TC
3343
TwinBeech Capital
New York
APWA
3344
Atlas Private Wealth Advisors
New Jersey
FAIM
3345
Financial Advocates Investment Management
Washington
F8IS
3346
Figure 8 Investment Strategies
Idaho
CBUSF
3347
Construction & Building Unions Superannuation Fund
Australia
CIAM
3348
Caitong International Asset Management
Hong Kong
AWA
3349
Amplius Wealth Advisors
Pennsylvania
RFA
3350
ROI Financial Advisors
Oregon