Fortinet, Inc.
US ˙ NasdaqGS ˙ US34959E1091

SecurityFTNT / Fortinet, Inc.
InstitutionToth Financial Advisory Corp
Latest Disclosed Ownership1,525 shares
Latest Disclosed Value $ 124,623
Toth Financial Advisory Corp ownership in FTNT / Fortinet, Inc.

On April 16, 2026 - Toth Financial Advisory Corp filed a 13F-HR form disclosing ownership of 1,525 shares of Fortinet, Inc. (US:FTNT) valued at $124,623 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 20, 2026 disclosing 1,525 shares of Fortinet, Inc.. This represents a change in shares of 0.00% during the quarter. The current value of the position is $223,382 USD.

Toth Financial Advisory Corp has a history of taking positions in derivatives of the underlying security (FTNT) in the form of stock options.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Institutional Put/Call Ratios
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In addition to reporting standard equity and debt issues, institutions with more than 100MM assets under management must also disclose their put and call option holdings. Since put options generally indicate negative sentiment, and call options indicate positive sentiment, we can get a sense of the overall institutional sentiment by plotting the ratio of puts to calls. The chart to the right plots the historical put/call ratio for this instrument.

Using Put/Call Ratio as an indicator of investor sentiment overcomes one of the key deficiencies of using total institutional ownership, which is that a significant amount of assets under management are invested passively to track indices. Passively-managed funds do not typically buy options, so the put/call ratio indicator more closely tracks the sentiment of actively-managed funds.

FTNT / Fortinet, Inc. Historical Put/Call Ratio
Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-04-16 2026-03-31 13F FORTINET COM 34959E109 1,525 0 0.00 125 2.48 0.0137
2026-01-20 2025-12-31 13F FORTINET COM 34959E109 1,525 200 15.09 121 9.01 0.0132
2025-10-09 2025-09-30 13F FORTINET COM 34959E109 1,325 -45 -3.28 111 -22.92 0.0120
2025-07-14 2025-06-30 13F FORTINET COM 34959E109 1,370 0 0.00 145 9.92 0.0169
2025-04-14 2025-03-31 13F FORTINET COM 34959E109 1,370 0 0.00 132 1.55 0.0159
2025-01-21 2024-12-31 13F FORTINET COM 34959E109 1,370 0 0.00 129 21.70 0.0152
2024-10-21 2024-09-30 13F FORTINET COM 34959E109 1,370 0 0.00 106 29.27 0.0125
2024-07-16 2024-06-30 13F FORTINET COM 34959E109 1,370 0 0.00 83 -11.83 0.0105
2024-04-16 2024-03-31 13F FORTINET COM 34959E109 1,370 45 3.40 94 20.78 0.0117
2024-01-26 2023-12-31 13F FORTINET COM 34959E109 1,325 -710 -34.89 78 -35.29 0.0105
2023-10-12 2023-09-30 13F FORTINET COM 34959E109 2,035 -9,330 -82.09 119 -86.15 0.0182
2023-07-24 2023-06-30 13F FORTINET COM 34959E109 11,365 4,435 64.00 859 86.74 0.1243
2023-04-24 2023-03-31 13F FORTINET COM 34959E109 6,930 4,810 226.89 461 346.60 0.0718
2023-01-24 2022-12-31 13F FORTINET COM 34959E109 2,120 -5 -0.24 104 -0.96 0.0168
2022-10-14 2022-09-30 13F FORTINET COM 34959E109 2,125 -45 -2.07 104 -15.45 0.0188
2022-07-25 2022-06-30 13F FORTINET COM 34959E109 2,170 1,710 371.74 123 -21.66 0.0214
2022-04-26 2022-03-31 13F FORTINET COM 34959E109 460 26 5.99 157 0.64 0.0235
2022-01-31 2021-12-31 13F FORTINET COM 34959E109 434 -15 -3.34 156 19.08 0.0213
2021-10-20 2021-09-30 13F FORTINET COM 34959E109 449 -304 -40.37 131 -26.82 0.0199
2021-07-26 2021-06-30 13F FORTINET COM 34959E109 753 3 0.40 179 29.71 0.0273
2021-04-20 2021-03-31 13F FORTINET COM 34959E109 750 0 0.00 138 24.32 0.0220
2021-01-25 2020-12-31 13F FORTINET COM 34959E109 750 0 0.00 111 26.14 0.0190
2020-10-16 2020-09-30 13F FORTINET COM 34959E109 750 -4,370 -85.35 88 -87.48 0.0169
2020-07-14 2020-06-30 13F FORTINET COM 34959E109 5,120 4,285 513.17 703 736.90 0.1522
2020-04-20 2020-03-31 13F FORTINET COM 34959E109 835 50 6.37 84 0.00 0.0243
2020-01-27 2019-12-31 13F FORTINET COM 34959E109 785 15 1.95 84 42.37 0.0170
2019-10-15 2019-09-30 13F FORTINET COM 34959E109 770 0 0.00 59 0.00 0.0129
2019-07-17 2019-06-30 13F FORTINET COM 34959E109 770 60 8.45 59 -1.67 0.0132
2019-04-15 2019-03-31 13F FORTINET COM 34959E109 710 -140 -16.47 60 0.00 0.0140
2019-01-22 2018-12-31 13F FORTINET COM 34959E109 850 0 0.00 60 -23.08 0.0164
2018-10-15 2018-09-30 13F FORTINET COM 34959E109 850 180 26.87 78 85.71 0.0173
2018-07-23 2018-06-30 13F FORTINET COM 34959E109 670 226 50.90 42 75.00 0.0098
2018-04-25 2018-03-31 13F FORTINET COM 34959E109 444 -140 -23.97 24 -7.69 0.0058
2018-02-06 2017-12-31 13F FORTINET COM 34959E109 584 584 26 0.0062
Disclosed Call Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share
Price
Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2026-04-16 2026-03-31 13F FORTINET CALL Call 25 4.35 n/a n/a n/a
2026-01-20 2025-12-31 13F FORTINET CALL Call 24 -8.00 n/a n/a n/a
2025-10-09 2025-09-30 13F FORTINET CALL Call 25 n/a n/a n/a
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.