Fortinet, Inc.
MX ˙ BMV ˙ US34959E1091
SecurityMX:FTNT / Fortinet, Inc.
InstitutionS&t Bank/pa
Latest Disclosed Ownership37,406 shares
Latest Disclosed Value $ 3,056,818
S&t Bank/pa reports 22.52% decrease in ownership of FTNT / Fortinet, Inc.

On May 13, 2026 - S&t Bank/pa filed a 13F-HR form disclosing ownership of 37,406 shares of Fortinet, Inc. (MX:FTNT) valued at $3,056,818 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 48,279 shares of Fortinet, Inc.. This represents a change in shares of -22.52% during the quarter.

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)
2026-05-13 2026-03-31 13F FORTINET COM 34959E109 37,406 -10,873 -22.52 3,057 -20.27 0.9032
2026-02-13 2025-12-31 13F FORTINET COM 34959E109 48,279 -11,967 -19.86 3,834 -24.32 1.2124
2025-11-14 2025-09-30 13F FORTINET COM 34959E109 60,246 -6,719 -10.03 5,065 -28.45 1.4241
2025-08-06 2025-06-30 13F FORTINET COM 34959E109 66,965 -6,438 -8.77 7,080 0.20 2.1529
2025-05-15 2025-03-31 13F FORTINET COM 34959E109 73,403 -2,966 -3.88 7,066 -2.08 2.3099
2025-02-14 2024-12-31 13F Fortinet COM 34959E109 76,369 -43,960 -36.53 7,215 51,435.71 2.3023
2024-11-13 2024-09-30 13F FORTINET COM 34959E109 120,329 15,937 15.27 15 133.33 3.8349
2024-08-14 2024-06-30 13F FORTINET COM 34959E109 104,392 -32,834 -23.93 6 -33.33 1.6029
2024-05-15 2024-03-31 13F FORTINET COM 34959E109 137,226 -27,956 -16.92 9 0.00 1.7977
2024-02-14 2023-12-31 13F FORTINET COM 34959E109 165,182 -8,330 -4.80 10 -10.00 1.7860
2023-11-14 2023-09-30 13F FORTINET COM 34959E109 173,512 -9,038 -4.95 10 -23.08 1.9631
2023-08-14 2023-06-30 13F FORTINET COM 34959E109 182,550 -28,555 -13.53 14 -7.14 2.4834
2023-05-09 2023-03-31 13F FORTINET COM 34959E109 211,105 -14,683 -6.50 14 27.27 2.5333
2023-02-13 2022-12-31 13F FORTINET COM 34959E109 225,788 -2,590 -1.13 11 -99.90 2.0373
2022-11-10 2022-09-30 13F FORTINET COM 34959E109 228,378 -17,366 -7.07 11,220 -19.30 2.1661
2022-08-10 2022-06-30 13F FORTINET COM 34959E109 245,744 194,130 376.12 13,904 -21.17 2.4433
2022-05-16 2022-03-31 13F FORTINET COM 34959E109 51,614 -4,768 -8.46 17,639 -12.95 2.6630
2022-02-14 2021-12-31 13F FORTINET COM 34959E109 56,382 -952 -1.66 20,264 21.02 2.9577
2021-11-12 2021-09-30 13F FORTINET COM 34959E109 57,334 -4,272 -6.93 16,744 14.11 2.5944
2021-08-13 2021-06-30 13F FORTINET COM 34959E109 61,606 -1,497 -2.37 14,674 26.10 2.2779
2021-05-17 2021-03-31 13F FORTINET COM 34959E109 63,103 -1,464 -2.27 11,637 21.35 1.8939
2021-02-17 2020-12-31 13F FORTINET COM 34959E109 64,567 -3,806 -5.57 9,590 19.06 1.7233
2020-11-16 2020-09-30 13F FORTINET COM 34959E109 68,373 -9,223 -11.89 8,055 -24.38 1.8404
2020-08-14 2020-06-30 13F FORTINET COM 34959E109 77,596 4,257 5.80 10,652 43.56 2.4273
2020-05-14 2020-03-31 13F FORTINET COM 34959E109 73,339 -6,397 -8.02 7,420 -12.84 2.0439
2020-02-13 2019-12-31 13F FORTINET COM 34959E109 79,736 197 0.25 8,513 39.44 1.7446
2021-01-05 2019-09-30 13F/A-2 FORTINET COM 34959E109 79,539 79,539 6,105 1.3201
2019-11-14 2019-09-30 13F FORTINET COM 34959E109 79,539 6,105 1.3285
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.