3,272 hedge funds and large institutions have $159B invested in Merck in 2025 Q3 according to their latest regulatory filings, with 190 funds opening new positions, 1,339 increasing their positions, 1,408 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: 3,3023,272 (-30)

5% less repeat investments, than reductions

Existing positions increased: 1,339 | Existing positions reduced: 1,408

2.19% less ownership

Funds ownership: 78.17%75.99% (-2.2%)

Holders
3,272
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
COPPSERS
251
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$50.3M
SMDAM
252
Sumitomo Mitsui DS Asset Management
Japan
$50M
GAM
253
Gotham Asset Management
New York
$49.7M
PAS
254
PKS Advisory Services
New York
$49M
ProShare Advisors
255
ProShare Advisors
Maryland
$49M
RT
256
Rockland Trust
Massachusetts
$48.7M
WT
257
Whittier Trust
California
$48.1M
DK
258
DJE Kapital
Germany
$48.1M
PGFC
259
Peapack-Gladstone Financial Corp
New Jersey
$47.5M
Daiwa Securities Group
260
Daiwa Securities Group
Japan
$47.4M
ELC
261
Edgar Lomax Company
Virginia
$47M
DCP
262
Distillate Capital Partners
Illinois
$46.8M
PL
263
Perpetual Ltd
Australia
$46.5M
OAM
264
Oppenheimer Asset Management
New York
$46.5M
DADC
265
D.A. Davidson & Co
Montana
$46.4M
IMRF
266
Illinois Municipal Retirement Fund
Illinois
$46.1M
TAM
267
Tocqueville Asset Management
New York
$45.9M
ACM
268
Aquatic Capital Management
Illinois
$45.8M
KCM
269
Kornitzer Capital Management
Kansas
$45.7M
AAF
270
Andra AP-fonden
Sweden
$45.7M
GIM
271
Glenmede Investment Management
Pennsylvania
$45.3M
DLA
272
Douglas Lane & Associates
New York
$45.3M
GIA
273
Gateway Investment Advisers
Ohio
$45M
Capital Fund Management (CFM)
274
Capital Fund Management (CFM)
France
$44.8M
Retirement Systems of Alabama
275
Retirement Systems of Alabama
Alabama
$44.7M