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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
TMAM
476
Tokio Marine Asset Management
Japan
$1.93M
PP
477
Prudential plc
United Kingdom
$1.93M
LOAMS
478
Lombard Odier Asset Management (Switzerland)
Switzerland
$1.89M
GH
479
GAM Holding
Switzerland
$1.86M
EF
480
Empirical Finance
Pennsylvania
$1.86M
GIA
481
Gateway Investment Advisers
Ohio
$1.85M
STA
482
Summit Trail Advisors
New York
$1.85M
SLI
483
Sumitomo Life Insurance
Japan
$1.85M
EGM
484
Engineers Gate Manager
New York
$1.83M
UBP
485
Union Bancaire Privee
Switzerland
$1.83M
HT
486
Headlands Technologies
Illinois
$1.83M
CPC
487
Congress Park Capital
New York
$1.82M
SWM
488
Steinberganna Wealth Management
New York
$1.8M
BSB
489
Bangor Savings Bank
Maine
$1.79M
SS
490
Sunbelt Securities
Texas
$1.78M
HIIFS
491
Harel Insurance Investments & Financial Services
Israel
$1.78M
SWA
492
Stratos Wealth Advisors
Ohio
$1.77M
GI
493
Gradient Investments
Minnesota
$1.77M
VIM
494
Vinva Investment Management
Australia
$1.77M
Kovitz Investment Group Partners
495
Kovitz Investment Group Partners
Illinois
$1.76M
LAM
496
Lifestyle Asset Management
Texas
$1.75M
NMIMC
497
Northwestern Mutual Investment Management Company
Wisconsin
$1.75M
AAMU
498
APG Asset Management US
New York
$1.74M
Capstone Investment Advisors
499
Capstone Investment Advisors
New York
$1.73M
Fifth Third Bancorp
500
Fifth Third Bancorp
Ohio
$1.73M