3,294 hedge funds and large institutions have $160B invested in Merck in 2025 Q3 according to their latest regulatory filings, with 189 funds opening new positions, 1,347 increasing their positions, 1,421 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: 3,3143,294 (-20)

5% less repeat investments, than reductions

Existing positions increased: 1,347 | Existing positions reduced: 1,421

2.2% less ownership

Funds ownership: 78.35%76.15% (-2.2%)

Holders
3,294
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 -$847M
2 -$568M
3 -$443M
4
BlackRock
BlackRock
New York
-$285M
5
Goldman Sachs
Goldman Sachs
New York
-$278M
Name Holding Trade Value Shares
Change
Change in
Stake
Capital Research Global Investors
101
Capital Research Global Investors
California
$194M
Natixis Advisors
102
Natixis Advisors
Massachusetts
$194M
State Board of Administration of Florida Retirement System
103
State Board of Administration of Florida Retirement System
Florida
$192M
Acadian Asset Management
104
Acadian Asset Management
Massachusetts
$185M
New York State Teachers Retirement System (NYSTRS)
105
New York State Teachers Retirement System (NYSTRS)
New York
$180M
Janus Henderson Group
106
Janus Henderson Group
United Kingdom
$178M
TD Asset Management
107
TD Asset Management
Ontario, Canada
$174M
Qube Research & Technologies (QRT)
108
Qube Research & Technologies (QRT)
United Kingdom
$173M
Mirae Asset Global Investments
109
Mirae Asset Global Investments
South Korea
$173M
Two Sigma Investments
110
Two Sigma Investments
New York
$165M
AAB
111
ABN AMRO Bank
Netherlands
$161M
DB
112
Danske Bank
Denmark
$160M
Janney Montgomery Scott
113
Janney Montgomery Scott
Pennsylvania
$155M
Wealth Enhancement Advisory Services
114
Wealth Enhancement Advisory Services
Minnesota
$154M
Korea Investment Corp
115
Korea Investment Corp
South Korea
$149M
SEI Investments
116
SEI Investments
Pennsylvania
$147M
Skandinaviska Enskilda Banken (SEB)
117
Skandinaviska Enskilda Banken (SEB)
Sweden
$145M
Manulife (Manufacturers Life Insurance)
118
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$145M
National Bank of Canada
119
National Bank of Canada
Quebec, Canada
$144M
Cerity Partners
120
Cerity Partners
New York
$143M
AP
121
Antipodes Partners
Australia
$140M
Truist Financial
122
Truist Financial
North Carolina
$139M
MIP
123
Mondrian Investment Partners
United Kingdom
$138M
ATO
124
Alecta Tjanstepension Omsesidigt
Sweden
$138M
GLA
125
Great Lakes Advisors
Illinois
$137M