3,279 hedge funds and large institutions have $155B invested in Merck in 2025 Q2 according to their latest regulatory filings, with 182 funds opening new positions, 1,273 increasing their positions, 1,517 reducing their positions, and 251 closing their positions.

New
Increased
Maintained
Reduced
Closed

more ownership

Funds ownership:

more call options, than puts

Call options by funds: $ | Put options by funds: $

less funds holding

Funds holding:

less capital invested

Capital invested by funds: $ → $

16% less repeat investments, than reductions

Existing positions increased: 1,273 | Existing positions reduced: 1,517

27% less first-time investments, than exits

New positions opened: 182 | Existing positions closed: 251

34% less funds holding in top 10

Funds holding in top 10: 6442 (-22)

Holders
3,279
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
42
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$2.52B
Puts
$2.44B
Net Calls
Net Calls Change

Top Buyers

1 +$407M
2 +$403M
3 +$367M
4
UBS AM
UBS AM
Illinois
+$348M
5
Goldman Sachs
Goldman Sachs
New York
+$319M

Top Sellers

1 -$634M
2 -$559M
3 -$381M
4
UBS Group
UBS Group
Switzerland
-$329M
5
Bank of America
Bank of America
North Carolina
-$242M
Name Holding Trade Value Shares
Change
Change in
Stake
Millennium Management
176
Millennium Management
New York
$78.4M
CCM
177
Causeway Capital Management
California
$77.8M
RAM
178
Resona Asset Management
Japan
$77.7M
CIBC World Market
179
CIBC World Market
Ontario, Canada
$77.5M
Capital Fund Management (CFM)
180
Capital Fund Management (CFM)
France
$75.5M
SP
181
Sarasin & Partners
United Kingdom
$75M
Creative Planning
182
Creative Planning
Kansas
$74.8M
MSV
183
MN Services Vermogensbeheer
Netherlands
$74.5M
FAF
184
Fjarde Ap-fonden
Sweden
$73.6M
UM
185
UniSuper Management
Australia
$73.4M
MME
186
Meag Munich Ergo
Germany
$70.3M
PIM
187
Platinum Investment Management
Australia
$69.3M
William Blair & Company
188
William Blair & Company
Illinois
$69.1M
KeyBank National Association
189
KeyBank National Association
Ohio
$68.5M
DM
190
Deerfield Management
New York
$67.9M
Jones Financial Companies
191
Jones Financial Companies
Missouri
$67.6M
State of Tennessee, Department of Treasury
192
State of Tennessee, Department of Treasury
Tennessee
$67.5M
State of New Jersey Common Pension Fund D
193
State of New Jersey Common Pension Fund D
New Jersey
$67.3M
LF
194
Lansforsakringar Fondforvaltning
Sweden
$66.3M
PL
195
Perpetual Ltd
Australia
$65.2M
Nisa Investment Advisors
196
Nisa Investment Advisors
Missouri
$64.8M
Osaic Holdings
197
Osaic Holdings
Arizona
$64.1M
SPS
198
Susquehanna Portfolio Strategies
Pennsylvania
$63.4M
VOYA Investment Management
199
VOYA Investment Management
Georgia
$63.4M
FAF
200
Första AP-fonden
Sweden
$62.8M