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Fortinet

1,260 hedge funds and large institutions have $40.2B invested in Fortinet in 2025 Q3 according to their latest regulatory filings, with 134 funds opening new positions, 440 increasing their positions, 522 reducing their positions, and 222 closing their positions.

New
Increased
Maintained
Reduced
Closed

less ownership

Funds ownership:

less funds holding

Funds holding:

less repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less call options, than puts

Call options by funds: $ | Put options by funds: $

26% less capital invested

Capital invested by funds: $54.3B → $40.2B (-$14.1B)

40% less first-time investments, than exits

New positions opened: 134 | Existing positions closed: 222

45% less funds holding in top 10

Funds holding in top 10: 2212 (-10)

Holders
1,260
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
12
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$719M
Puts
$893M
Net Calls
Net Calls Change

Top Buyers

1 +$258M
2 +$190M
3 +$160M
4
Invesco
Invesco
Georgia
+$140M
5
Deutsche Bank
Deutsche Bank
Germany
+$135M
Name Holding Trade Value Shares
Change
Change in
Stake
Bank Julius Baer & Co
201
Bank Julius Baer & Co
Switzerland
$15.7M
William Blair & Company
202
William Blair & Company
Illinois
$15.7M
Mariner
203
Mariner
Kansas
$15.7M
NAM
204
Nissay Asset Management
Japan
$15.7M
BWP
205
Barlow Wealth Partners
Kentucky
$15.6M
GAM
206
Gotham Asset Management
New York
$15.6M
WIC
207
Willis Investment Counsel
Georgia
$15.4M
PVI
208
Pine Valley Investments
New Jersey
$15.3M
DnB Asset Management
209
DnB Asset Management
Norway
$14.4M
BWFA
210
Baltimore-Washington Financial Advisors
Maryland
$14.3M
Walleye Trading
211
Walleye Trading
New York
$14.2M
CNB
212
Czech National Bank
Czech Republic
$13.9M
SG Americas Securities
213
SG Americas Securities
New York
$13.5M
Lido Advisors
214
Lido Advisors
California
$13.5M
State of Tennessee, Department of Treasury
215
State of Tennessee, Department of Treasury
Tennessee
$13.5M
TI
216
Trexquant Investment
Connecticut
$13.3M
Teacher Retirement System of Texas
217
Teacher Retirement System of Texas
Texas
$13.2M
PAM
218
Peak Asset Management
Colorado
$13.2M
IMPI
219
Ilmarinen Mutual Pension Insurance
Finland
$13.2M
COPPSERS
220
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$13.2M
WIC
221
Wilkins Investment Counsel
Massachusetts
$13.1M
X
222
Xponance
Pennsylvania
$13.1M
GFM
223
GF Fund Management
China
$12.8M
IC
224
IEQ Capital
California
$12.8M
Thrivent Financial for Lutherans
225
Thrivent Financial for Lutherans
Minnesota
$12.8M