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
EF
251
Empowered Funds
Pennsylvania
$50.6M
Fifth Third Bancorp
252
Fifth Third Bancorp
Ohio
$50.4M
COPPSERS
253
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$50.3M
SMDAM
254
Sumitomo Mitsui DS Asset Management
Japan
$50M
GAM
255
Gotham Asset Management
New York
$49.7M
PAS
256
PKS Advisory Services
New York
$49M
ProShare Advisors
257
ProShare Advisors
Maryland
$49M
RT
258
Rockland Trust
Massachusetts
$48.7M
WT
259
Whittier Trust
California
$48.1M
DK
260
DJE Kapital
Germany
$48.1M
PGFC
261
Peapack-Gladstone Financial Corp
New Jersey
$47.5M
Daiwa Securities Group
262
Daiwa Securities Group
Japan
$47.4M
ELC
263
Edgar Lomax Company
Virginia
$47M
DCP
264
Distillate Capital Partners
Illinois
$46.8M
PL
265
Perpetual Ltd
Australia
$46.5M
OAM
266
Oppenheimer Asset Management
New York
$46.5M
DADC
267
D.A. Davidson & Co
Montana
$46.4M
IMRF
268
Illinois Municipal Retirement Fund
Illinois
$46.1M
TAM
269
Tocqueville Asset Management
New York
$45.9M
ACM
270
Aquatic Capital Management
Illinois
$45.8M
KCM
271
Kornitzer Capital Management
Kansas
$45.7M
AAF
272
Andra AP-fonden
Sweden
$45.7M
GIM
273
Glenmede Investment Management
Pennsylvania
$45.3M
DLA
274
Douglas Lane & Associates
New York
$45.3M
GIA
275
Gateway Investment Advisers
Ohio
$45M