3,244 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, 1,326 increasing their positions, 1,396 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: 1,326 | Existing positions reduced: 1,396

1% less funds holding

Funds holding: 3,2933,244 (-49)

2.24% less ownership

Funds ownership: 78.03%75.78% (-2.2%)

Holders
3,244
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
GIM
3276
Guardian Investment Management
California
DS
3277
DRW Securities
Illinois
IC
3278
Iconiq Capital
California
BDWCC
3279
B&D White Capital Company
Texas
AFS
3280
Aft Forsyth & Sober
Florida
LCM
3281
Landscape Capital Management
New Jersey
GCM
3282
Glynn Capital Management
California
QIM
3283
Quantitative Investment Management
Virginia
Parallax Volatility Advisers
3284
Parallax Volatility Advisers
California
TC
3285
TradeLink Capital
Illinois
WI
3286
WBI Investments
New Jersey
I
3287
InceptionR
California
SC
3288
Sapient Capital
Indiana
CGF
3289
Constant Guidance Financial
Massachusetts
KIG
3290
Kessler Investment Group
Indiana
NICM
3291
Neo Ivy Capital Management
New York
TC
3292
TwinBeech Capital
New York
APWA
3293
Atlas Private Wealth Advisors
New Jersey
FAIM
3294
Financial Advocates Investment Management
Washington
F8IS
3295
Figure 8 Investment Strategies
Idaho
CBUSF
3296
Construction & Building Unions Superannuation Fund
Australia
CIAM
3297
Caitong International Asset Management
Hong Kong
AWA
3298
Amplius Wealth Advisors
Pennsylvania
RFA
3299
ROI Financial Advisors
Oregon
NCM
3300
Next Capital Management
New York