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
Natixis Advisors
101
Natixis Advisors
Massachusetts
$194M
State Board of Administration of Florida Retirement System
102
State Board of Administration of Florida Retirement System
Florida
$192M
Acadian Asset Management
103
Acadian Asset Management
Massachusetts
$185M
New York State Teachers Retirement System (NYSTRS)
104
New York State Teachers Retirement System (NYSTRS)
New York
$180M
Janus Henderson Group
105
Janus Henderson Group
United Kingdom
$178M
TD Asset Management
106
TD Asset Management
Ontario, Canada
$174M
Qube Research & Technologies (QRT)
107
Qube Research & Technologies (QRT)
United Kingdom
$173M
Mirae Asset Global Investments
108
Mirae Asset Global Investments
South Korea
$173M
Two Sigma Investments
109
Two Sigma Investments
New York
$165M
AAB
110
ABN AMRO Bank
Netherlands
$161M
DB
111
Danske Bank
Denmark
$160M
Janney Montgomery Scott
112
Janney Montgomery Scott
Pennsylvania
$155M
Wealth Enhancement Advisory Services
113
Wealth Enhancement Advisory Services
Minnesota
$154M
Korea Investment Corp
114
Korea Investment Corp
South Korea
$149M
SEI Investments
115
SEI Investments
Pennsylvania
$147M
Skandinaviska Enskilda Banken (SEB)
116
Skandinaviska Enskilda Banken (SEB)
Sweden
$145M
Manulife (Manufacturers Life Insurance)
117
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$145M
National Bank of Canada
118
National Bank of Canada
Quebec, Canada
$144M
Cerity Partners
119
Cerity Partners
New York
$143M
AP
120
Antipodes Partners
Australia
$140M
Truist Financial
121
Truist Financial
North Carolina
$139M
MIP
122
Mondrian Investment Partners
United Kingdom
$138M
GLA
123
Great Lakes Advisors
Illinois
$137M
US Bancorp
124
US Bancorp
Minnesota
$137M
Handelsbanken Fonder
125
Handelsbanken Fonder
Sweden
$136M