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Fortinet

1,304 hedge funds and large institutions have $39.1B invested in Fortinet in 2025 Q4 according to their latest regulatory filings, with 201 funds opening new positions, 479 increasing their positions, 477 reducing their positions, and 124 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more ownership

Funds ownership:

more funds holding

Funds holding:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

3% less capital invested

Capital invested by funds: $40.2B → $39.1B (-$1.12B)

11% less call options, than puts

Call options by funds: $643M | Put options by funds: $719M

17% less funds holding in top 10

Funds holding in top 10: 1210 (-2)

Holders
1,304
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$643M
Puts
$719M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
HSBC Holdings
51
HSBC Holdings
United Kingdom
$125M
VA
52
Vident Advisory
Georgia
$112M
Mitsubishi UFJ Asset Management
53
Mitsubishi UFJ Asset Management
Japan
$110M
Canada Pension Plan Investment Board
54
Canada Pension Plan Investment Board
Ontario, Canada
$105M
ProShare Advisors
55
ProShare Advisors
Maryland
$104M
PCM
56
Penserra Capital Management
California
$102M
Capital World Investors
57
Capital World Investors
California
$100M
CIM
58
CCLA Investment Management
United Kingdom
$99.6M
MBI
59
Montrusco Bolton Investments
Quebec, Canada
$97.6M
National Pension Service
60
National Pension Service
South Korea
$96.9M
Millennium Management
61
Millennium Management
New York
$95.3M
RhumbLine Advisers
62
RhumbLine Advisers
Massachusetts
$94.5M
California Public Employees Retirement System
63
California Public Employees Retirement System
California
$91.2M
Two Sigma Investments
64
Two Sigma Investments
New York
$90.7M
Citadel Advisors
65
Citadel Advisors
Florida
$87.5M
Royal London Asset Management
66
Royal London Asset Management
United Kingdom
$83.2M
Marshall Wace
67
Marshall Wace
United Kingdom
$79.9M
Russell Investments Group
68
Russell Investments Group
United Kingdom
$79.9M
California State Teachers Retirement System (CalSTRS)
69
California State Teachers Retirement System (CalSTRS)
California
$77.1M
Empower Advisory Group
70
Empower Advisory Group
Colorado
$76.8M
TD Asset Management
71
TD Asset Management
Ontario, Canada
$75.6M
ACM
72
American Capital Management
New York
$73.5M
Voloridge Investment Management
73
Voloridge Investment Management
Florida
$72.4M
SG Americas Securities
74
SG Americas Securities
New York
$68.9M
Stifel Financial
75
Stifel Financial
Missouri
$64.7M