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
FC
3276
FORA Capital
Florida
OTPPB
3277
Ontario Teachers' Pension Plan Board
Ontario, Canada
BPAMU
3278
BTG Pactual Asset Management US
New York
FRM
3279
Fox Run Management
Connecticut
GIM
3280
Guardian Investment Management
California
DS
3281
DRW Securities
Illinois
IC
3282
Iconiq Capital
California
BDWCC
3283
B&D White Capital Company
Texas
AFS
3284
Aft Forsyth & Sober
Florida
LCM
3285
Landscape Capital Management
New Jersey
GCM
3286
Glynn Capital Management
California
QIM
3287
Quantitative Investment Management
Virginia
Parallax Volatility Advisers
3288
Parallax Volatility Advisers
California
TC
3289
TradeLink Capital
Illinois
WI
3290
WBI Investments
New Jersey
I
3291
InceptionR
California
SC
3292
Sapient Capital
Indiana
CGF
3293
Constant Guidance Financial
Massachusetts
KIG
3294
Kessler Investment Group
Indiana
NICM
3295
Neo Ivy Capital Management
New York
TC
3296
TwinBeech Capital
New York
APWA
3297
Atlas Private Wealth Advisors
New Jersey
FAIM
3298
Financial Advocates Investment Management
Washington
F8IS
3299
Figure 8 Investment Strategies
Idaho
CBUSF
3300
Construction & Building Unions Superannuation Fund
Australia