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
PAS
251
PKS Advisory Services
New York
$49M
ProShare Advisors
252
ProShare Advisors
Maryland
$49M
RT
253
Rockland Trust
Massachusetts
$48.7M
WT
254
Whittier Trust
California
$48.1M
DK
255
DJE Kapital
Germany
$48.1M
PGFC
256
Peapack-Gladstone Financial Corp
New Jersey
$47.5M
Daiwa Securities Group
257
Daiwa Securities Group
Japan
$47.4M
ELC
258
Edgar Lomax Company
Virginia
$47M
DCP
259
Distillate Capital Partners
Illinois
$46.8M
PL
260
Perpetual Ltd
Australia
$46.5M
OAM
261
Oppenheimer Asset Management
New York
$46.5M
DADC
262
D.A. Davidson & Co
Montana
$46.4M
IMRF
263
Illinois Municipal Retirement Fund
Illinois
$46.1M
TAM
264
Tocqueville Asset Management
New York
$45.9M
ACM
265
Aquatic Capital Management
Illinois
$45.8M
KCM
266
Kornitzer Capital Management
Kansas
$45.7M
AAF
267
Andra AP-fonden
Sweden
$45.7M
GIM
268
Glenmede Investment Management
Pennsylvania
$45.3M
DLA
269
Douglas Lane & Associates
New York
$45.3M
GIA
270
Gateway Investment Advisers
Ohio
$45M
Capital Fund Management (CFM)
271
Capital Fund Management (CFM)
France
$44.8M
Retirement Systems of Alabama
272
Retirement Systems of Alabama
Alabama
$44.7M
RCM
273
Radnor Capital Management
Pennsylvania
$43.7M
SCTC
274
Sanibel Captiva Trust Company
Florida
$43.7M
BBVA
275
Banco Bilbao Vizcaya Argentaria
Spain
$43.5M