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
GAM
201
Groupama Asset Management
France
$69.9M
FAF
202
Första AP-fonden
Sweden
$69.8M
Fidelity International
203
Fidelity International
Bermuda
$69.2M
William Blair & Company
204
William Blair & Company
Illinois
$68.2M
Jones Financial Companies
205
Jones Financial Companies
Missouri
$66.5M
SPS
206
Susquehanna Portfolio Strategies
Pennsylvania
$66.5M
BPC
207
Banque Pictet & Cie
Switzerland
$66.2M
Tudor Investment Corp
208
Tudor Investment Corp
Connecticut
$66.1M
DCM
209
Donaldson Capital Management
Indiana
$66M
CCM
210
Compass Capital Management
Minnesota
$66M
IC
211
IEQ Capital
California
$66M
JSSH
212
J. Safra Sarasin Holding
$64.8M
MSE
213
MUFG Securities EMEA
United Kingdom
$64.5M
Millennium Management
214
Millennium Management
New York
$64.1M
MT
215
Midwest Trust
Kansas
$63.7M
DnB Asset Management
216
DnB Asset Management
Norway
$62.8M
FWCM
217
Ferguson Wellman Capital Management
Oregon
$62.7M
HPG
218
Harvest Portfolios Group
Ontario, Canada
$62.6M
SOMRS
219
State of Michigan Retirement System
Michigan
$61.9M
ASRS
220
Arizona State Retirement System
Arizona
$61.6M
FFB
221
First Financial Bankshares
Texas
$60.5M
CB
222
Commerce Bank
Missouri
$60.3M
Mercer Global Advisors
223
Mercer Global Advisors
Colorado
$60.1M
GC
224
Guggenheim Capital
Illinois
$59.9M
ORIO
225
Old Republic International (ORI)
Illinois
$59.2M