3,253 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, 1,331 increasing their positions, 1,399 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: 1,331 | Existing positions reduced: 1,399

1% less funds holding

Funds holding: 3,2963,253 (-43)

2.2% less ownership

Funds ownership: 78.07%75.87% (-2.2%)

Holders
3,253
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
SMDAM
251
Sumitomo Mitsui DS Asset Management
Japan
$50M
GAM
252
Gotham Asset Management
New York
$49.7M
PAS
253
PKS Advisory Services
New York
$49M
ProShare Advisors
254
ProShare Advisors
Maryland
$49M
RT
255
Rockland Trust
Massachusetts
$48.7M
WT
256
Whittier Trust
California
$48.1M
DK
257
DJE Kapital
Germany
$48.1M
PGFC
258
Peapack-Gladstone Financial Corp
New Jersey
$47.5M
Daiwa Securities Group
259
Daiwa Securities Group
Japan
$47.4M
ELC
260
Edgar Lomax Company
Virginia
$47M
DCP
261
Distillate Capital Partners
Illinois
$46.8M
PL
262
Perpetual Ltd
Australia
$46.5M
OAM
263
Oppenheimer Asset Management
New York
$46.5M
DADC
264
D.A. Davidson & Co
Montana
$46.4M
IMRF
265
Illinois Municipal Retirement Fund
Illinois
$46.1M
TAM
266
Tocqueville Asset Management
New York
$45.9M
ACM
267
Aquatic Capital Management
Illinois
$45.8M
KCM
268
Kornitzer Capital Management
Kansas
$45.7M
AAF
269
Andra AP-fonden
Sweden
$45.7M
GIM
270
Glenmede Investment Management
Pennsylvania
$45.3M
DLA
271
Douglas Lane & Associates
New York
$45.3M
GIA
272
Gateway Investment Advisers
Ohio
$45M
Capital Fund Management (CFM)
273
Capital Fund Management (CFM)
France
$44.8M
Retirement Systems of Alabama
274
Retirement Systems of Alabama
Alabama
$44.7M
RCM
275
Radnor Capital Management
Pennsylvania
$43.7M