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
CIBC World Market
176
CIBC World Market
Ontario, Canada
$82.4M
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
177
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$81.9M
BNP Paribas Asset Management
178
BNP Paribas Asset Management
France
$81.4M
Citadel Advisors
179
Citadel Advisors
Florida
$81.2M
Comerica Bank
180
Comerica Bank
Texas
$81.1M
MSV
181
MN Services Vermogensbeheer
Netherlands
$80.2M
Carson Wealth (CWM LLC)
182
Carson Wealth (CWM LLC)
Nebraska
$80.2M
State of Tennessee, Department of Treasury
183
State of Tennessee, Department of Treasury
Tennessee
$79.8M
PIM
184
Platinum Investment Management
Australia
$78.8M
Voloridge Investment Management
185
Voloridge Investment Management
Florida
$78.8M
RAM
186
Resona Asset Management
Japan
$77.9M
FAF
187
Fjarde Ap-fonden
Sweden
$77.6M
WP
188
Woodline Partners
California
$76.3M
Osaic Holdings
189
Osaic Holdings
Arizona
$75.1M
SP
190
Sarasin & Partners
United Kingdom
$74.5M
Marshall Wace
191
Marshall Wace
United Kingdom
$74.2M
State of New Jersey Common Pension Fund D
192
State of New Jersey Common Pension Fund D
New Jersey
$73.7M
N
193
Natixis
France
$73M
Teacher Retirement System of Texas
194
Teacher Retirement System of Texas
Texas
$72.5M
LF
195
Lansforsakringar Fondforvaltning
Sweden
$71.9M
IG
196
ING Group
Netherlands
$71.8M
MIF
197
Mediolanum International Funds
Ireland
$70.5M
KeyBank National Association
198
KeyBank National Association
Ohio
$70.2M
FAF
199
Första AP-fonden
Sweden
$69.8M
Fidelity International
200
Fidelity International
Bermuda
$69.2M