Fortinet, Inc.
US ˙ NasdaqGS ˙ US34959E1091

SecurityFTNT / Fortinet, Inc.
InstitutionSigma Planning Corp
Latest Disclosed Ownership7,847 shares
Latest Disclosed Value $ 641,277
Sigma Planning Corp reports 1.16% decrease in ownership of FTNT / Fortinet, Inc.

On May 4, 2026 - Sigma Planning Corp filed a 13F-HR form disclosing ownership of 7,847 shares of Fortinet, Inc. (US:FTNT) valued at $641,257 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 30, 2026 disclosing 7,939 shares of Fortinet, Inc.. This represents a change in shares of -1.16% during the quarter. The current value of the position is $1,149,429 USD.

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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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)
2026-05-04 2026-03-31 13F FORTINET COM 34959E109 7,847 -92 -1.16 641 0.31 0.0178
2026-01-30 2025-12-31 13F FORTINET COM 34959E109 7,939 603 8.22 639 3.73 0.0176
2025-11-10 2025-09-30 13F FORTINET COM 34959E109 7,336 -547 -6.94 617 -26.05 0.0175
2025-08-05 2025-06-30 13F FORTINET COM 34959E109 7,883 655 9.06 833 19.86 0.0251
2025-05-02 2025-03-31 13F FORTINET COM 34959E109 7,228 133 1.87 696 3.73 0.0222
2025-02-03 2024-12-31 13F FORTINET COM 34959E109 7,095 -939 -11.69 670 7.54 0.0211
2024-11-04 2024-09-30 13F FORTINET COM 34959E109 8,034 1,306 19.41 623 53.83 0.0191
2024-08-06 2024-06-30 13F FORTINET COM 34959E109 6,728 -495 -6.85 406 -17.85 0.0128
2024-05-02 2024-03-31 13F FORTINET COM 34959E109 7,223 7,223 493 0.0155
2024-02-01 2023-12-31 13F FORTINET COM 34959E109 0 -7,823 -100.00 0 -100.00
2023-11-06 2023-09-30 13F FORTINET COM 34959E109 7,823 -1,036 -11.69 459 -31.39 0.0172
2023-08-02 2023-06-30 13F FORTINET COM 34959E109 8,859 1,262 16.61 670 32.74 0.0240
2023-05-08 2023-03-31 13F FORTINET COM 34959E109 7,597 -902 -10.61 505 21.45 0.0168
2023-01-24 2022-12-31 13F FORTINET COM 34959E109 8,499 -2,347 -21.64 416 -22.14 0.0149
2022-11-10 2022-09-30 13F FORTINET COM 34959E109 10,846 1,452 15.46 533 0.19 0.0203
2022-08-11 2022-06-30 13F FORTINET COM 34959E109 9,394 7,572 415.59 532 -14.61 0.0185
2022-04-20 2022-03-31 13F FORTINET COM 34959E109 1,822 -8,371 -82.12 623 -82.99 0.0187
2022-02-02 2021-12-31 13F FORTINET INC COM Stock 34959E109 10,193 1,714 20.21 3,663 47.94 0.1021
2021-10-28 2021-09-30 13F FORTINET COM 34959E109 8,479 6,883 431.27 2,476 551.58 0.0745
2021-08-13 2021-06-30 13F FORTINET INC COM Stock 34959E109 1,596 -170 -9.63 380 16.56 0.0113
2021-05-06 2021-03-31 13F FORTINET INC COM Stock 34959E109 1,766 -500 -22.07 326 -3.26 0.0104
2021-02-09 2020-12-31 13F FORTINET COM 34959E109 2,266 532 30.68 337 65.20 0.0115
2020-11-03 2020-09-30 13F FORTINET COM 34959E109 1,734 -13,916 -88.92 204 -90.50 0.0081
2020-07-31 2020-06-30 13F FORTINET COM 34959E109 15,650 15,650 2,148 0.0943
2020-05-01 2020-03-31 13F FORTINET COM 34959E109 0 -3,014 -100.00 0 -100.00
2020-02-03 2019-12-31 13F FORTINET COM 34959E109 3,014 3,014 322 0.0136
2016-01-20 2015-12-31 13F FORTINET COM 34959E109 0 -6,467 -100.00 0 -100.00
2015-11-02 2015-09-30 13F FORTINET COM 34959E109 6,467 124 1.95 275 4.96 0.0436
2015-07-14 2015-06-30 13F FORTINET COM 34959E109 6,343 -801 -11.21 262 4.80 0.0362
2015-04-23 2015-03-31 13F FORTINET COM 34959E109 7,144 -499 -6.53 250 6.84 0.0331
2015-02-13 2014-12-31 13F FORTINET COM 34959E109 7,643 7,643 234 0.0309
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.