Fortinet, Inc.
MX ˙ BMV ˙ US34959E1091
SecurityMX:FTNT / Fortinet, Inc.
InstitutionGuggenheim Capital Llc
Latest Disclosed Ownership265,340 shares
Latest Disclosed Value $ 21,683,584
Guggenheim Capital Llc reports 28.52% decrease in ownership of FTNT / Fortinet, Inc.

On May 15, 2026 - Guggenheim Capital Llc filed a 13F-HR form disclosing ownership of 265,340 shares of Fortinet, Inc. (MX:FTNT) valued at $21,683,584 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 371,233 shares of Fortinet, Inc.. This represents a change in shares of -28.52% 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)
2026-05-15 2026-03-31 13F FORTINET COM 34959E109 265,340 -105,893 -28.52 21,684 -26.45 0.0838
2026-02-17 2025-12-31 13F FORTINET COM 34959E109 371,233 -19,843 -5.07 29,480 -10.35 0.2111
2025-11-13 2025-09-30 13F FORTINET COM 34959E109 391,076 -63,038 -13.88 32,882 -31.51 0.2386
2025-08-13 2025-06-30 13F FORTINET COM 34959E109 454,114 24,469 5.70 48,009 16.08 0.3810
2025-05-14 2025-03-31 13F FORTINET COM 34959E109 429,645 -64,102 -12.98 41,358 -11.34 0.3799
2025-02-13 2024-12-31 13F FORTINET COM 34959E109 493,747 -75,430 -13.25 46,649 5.69 0.3782
2024-11-13 2024-09-30 13F FORTINET COM 34959E109 569,177 -3,907 -0.68 44,140 27.79 0.3089
2024-08-14 2024-06-30 13F FORTINET COM 34959E109 573,084 60,837 11.88 34,540 -1.29 0.2449
2024-05-14 2024-03-31 13F FORTINET COM 34959E109 512,247 85,595 20.06 34,992 40.13 0.2466
2024-02-14 2023-12-31 13F FORTINET COM 34959E109 426,652 105,599 32.89 24,972 32.55 0.1887
2023-11-14 2023-09-30 13F FORTINET COM 34959E109 321,053 113,680 54.82 18,839 20.19 0.1620
2023-08-11 2023-06-30 13F FORTINET COM 34959E109 207,373 13,927 7.20 15,675 21.93 0.1231
2023-05-11 2023-03-31 13F FORTINET COM 34959E109 193,446 29,359 17.89 12,856 60.26 0.1082
2023-02-14 2022-12-31 13F FORTINET COM 34959E109 164,087 -47,564 -22.47 8,022 -22.86 0.0705
2022-11-14 2022-09-30 13F FORTINET COM 34959E109 211,651 -90,237 -29.89 10,399 -39.12 0.0952
2022-08-15 2022-06-30 13F FORTINET COM 34959E109 301,888 233,190 339.44 17,081 -27.25 0.1348
2022-05-16 2022-03-31 13F FORTINET COM 34959E109 68,698 -37,420 -35.26 23,478 -38.44 0.1412
2022-02-14 2021-12-31 13F FORTINET COM 34959E109 106,118 43,396 69.19 38,138 108.20 0.1989
2021-11-15 2021-09-30 13F FORTINET COM 34959E109 62,722 -17,746 -22.05 18,318 -4.43 0.1100
2021-08-13 2021-06-30 13F FORTINET COM 34959E109 80,468 4,357 5.72 19,167 36.56 0.1128
2021-05-13 2021-03-31 13F FORTINET COM 34959E109 76,111 1,198 1.60 14,036 26.14 0.0921
2021-02-16 2020-12-31 13F FORTINET COM 34959E109 74,913 5,668 8.19 11,127 36.39 0.0698
2020-11-13 2020-09-30 13F FORTINET COM 34959E109 69,245 15,558 28.98 8,158 10.69 0.0590
2020-08-14 2020-06-30 13F FORTINET COM 34959E109 53,687 5,484 11.38 7,370 51.15 0.0570
2020-06-02 2020-03-31 13F FORTINET COM 34959E109 48,203 -1,314 -2.65 4,876 -7.76 0.0491
2020-02-20 2019-12-31 13F/A-1 FORTINET COM 34959E109 49,517 -23,404 -32.10 5,286 -5.57 0.0397
2020-02-14 2019-12-31 13F FORTINET COM 34959E109 49,517 -23,404 5,286 31,329.0654
2020-02-20 2019-09-30 13F/A-1 FORTINET COM 34959E109 72,921 -32,152 -30.60 5,598 -30.66 0.0447
2019-11-14 2019-09-30 13F FORTINET COM 34959E109 72,921 -32,152 5,598 41,023.7860
2019-08-14 2019-06-30 13F FORTINET COM 34959E109 105,073 -5,571 -5.04 8,073 -13.11 0.0657
2019-05-15 2019-03-31 13F FORTINET COM 34959E109 110,644 25,847 30.48 9,291 55.55 0.0757
2019-02-14 2018-12-31 13F FORTINET COM 34959E109 84,797 -51,603 -37.83 5,973 -52.54 0.0506
2018-11-14 2018-09-30 13F FORTINET COM 34959E109 136,400 -71,206 -34.30 12,586 -2.90 0.0820
2018-08-14 2018-06-30 13F FORTINET COM 34959E109 207,606 -208,296 -50.08 12,962 -41.83 0.0865
2018-05-15 2018-03-31 13F FORTINET COM 34959E109 415,902 -16,565 -3.83 22,283 17.93 0.0544
2018-02-14 2017-12-31 13F FORTINET COM 34959E109 432,467 257,687 147.44 18,895 201.60 0.0448
2017-11-14 2017-09-30 13F FORTINET COM 34959E109 174,780 39,888 29.57 6,265 24.06 0.0147
2017-08-14 2017-06-30 13F FORTINET COM 34959E109 134,892 83,377 161.85 5,050 155.70 0.0134
2017-05-15 2017-03-31 13F FORTINET COM 34959E109 51,515 -1,254 -2.38 1,975 24.29 0.0054
2017-02-14 2016-12-31 13F FORTINET COM 34959E109 52,769 -278,691 -84.08 1,589 -87.02 0.0045
2016-11-14 2016-09-30 13F FORTINET COM 34959E109 331,460 -45,212 -12.00 12,241 2.87 0.0381
2016-08-15 2016-06-30 13F FORTINET COM 34959E109 376,672 -57,265 -13.20 11,899 -10.48 0.0374
2016-05-16 2016-03-31 13F FORTINET COM 34959E109 433,937 -84,753 -16.34 13,292 -17.78 0.0419
2016-02-16 2015-12-31 13F FORTINET COM 34959E109 518,690 -27,337 -5.01 16,167 -30.30 0.0470
2015-11-16 2015-09-30 13F FORTINET COM 34959E109 546,027 -86,141 -13.63 23,196 -11.22 0.0714
2015-08-14 2015-06-30 13F FORTINET COM 34959E109 632,168 633 0.10 26,127 18.37 0.0645
2015-05-18 2015-03-31 13F/A-1 FORTINET COM 34959E109 631,535 -45,257 -6.69 22,072 6.37 0.0522
2015-05-15 2015-03-31 13F FORTINET COM 34959E109 631,535 22,072
2015-02-17 2014-12-31 13F FORTINET COM 34959E109 676,792 515,706 320.14 20,750 409.70 0.0521
2014-11-14 2014-09-30 13F FORTINET COM 34959E109 161,086 -1,694 -1.04 4,071 -0.46 0.0098
2014-08-14 2014-06-30 13F FORTINET COM 34959E109 162,780 8,924 5.80 4,090 20.65 0.0103
2014-05-16 2014-03-31 13F FORTINET COM 34959E109 153,856 40,728 36.00 3,390 56.65 0.0096
2014-02-14 2013-12-31 13F FORTINET COM 34959E109 113,128 34,625 44.11 2,164 35.50 0.0066
2013-11-14 2013-09-30 13F FORTINET COM 34959E109 78,503 78,503 1,597 0.0057
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.