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
Barclays
51
Barclays
United Kingdom
$467M
Two Sigma Advisers
52
Two Sigma Advisers
New York
$450M
Principal Financial Group
53
Principal Financial Group
Iowa
$446M
National Pension Service
54
National Pension Service
South Korea
$438M
DekaBank Deutsche Girozentrale
55
DekaBank Deutsche Girozentrale
Germany
$430M
LSV Asset Management
56
LSV Asset Management
Illinois
$422M
Citigroup
57
Citigroup
New York
$404M
BGC
58
Beutel, Goodman & Co
Ontario, Canada
$404M
First Trust Advisors
59
First Trust Advisors
Illinois
$400M
Mitsubishi UFJ Asset Management
60
Mitsubishi UFJ Asset Management
Japan
$394M
Corient Private Wealth
61
Corient Private Wealth
Florida
$391M
ClearBridge Investments
62
ClearBridge Investments
New York
$387M
TIM
63
Thornburg Investment Management
New Mexico
$374M
Bank of Montreal
64
Bank of Montreal
Ontario, Canada
$370M
Aberdeen Group
65
Aberdeen Group
United Kingdom
$356M
Victory Capital Management
66
Victory Capital Management
Texas
$351M
Caisse de Depot et Placement du Quebec (CDPQ)
67
Caisse de Depot et Placement du Quebec (CDPQ)
Quebec, Canada
$350M
Acadian Asset Management
68
Acadian Asset Management
Massachusetts
$331M
RhumbLine Advisers
69
RhumbLine Advisers
Massachusetts
$325M
Capital International Investors
70
Capital International Investors
California
$322M
California State Teachers Retirement System (CalSTRS)
71
California State Teachers Retirement System (CalSTRS)
California
$322M
Qube Research & Technologies (QRT)
72
Qube Research & Technologies (QRT)
United Kingdom
$318M
Prudential Financial
73
Prudential Financial
New Jersey
$303M
American Century Companies
74
American Century Companies
Missouri
$299M
HighTower Advisors
75
HighTower Advisors
Illinois
$298M