Mario Gabelli's FTNT Position Overview
Mario Gabelli (via Gamco Investors, Inc. Et Al) currently holds 105,920 shares of Fortinet, Inc. (FTNT) worth $8.41 M, representing 0.08% of the portfolio. First purchased in 2013-Q4, this long-term strategic position has been held for 49 quarters.
Based on 13F filings since 2013, Mario Gabelli has maintained a long-term strategic position in FTNT, representing a significant commitment to this investment thesis. Largest addition occurred in Q2 2017, adding 260,000 shares. Largest reduction occurred in Q1 2017, reducing 259,500 shares.
Analysis based on 13F filings available since 2013 Q2
Mario Gabelli's Fortinet (FTNT) Holding Value Over Time
Track share changes against reported price movement
Quarterly Fortinet (FTNT) Trades by Mario Gabelli
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2025 | -1,400 | Reduce 1.30% | 105,920 | $79.41 |
| Q3 2025 | -800 | Reduce 0.74% | 107,320 | $84.08 |
| Q2 2025 | -1,800 | Reduce 1.64% | 108,120 | $105.72 |
| Q3 2024 | +3,000 | Add 2.81% | 109,920 | $77.55 |
| Q2 2024 | -1,620 | Reduce 1.49% | 106,920 | $60.27 |
| Q1 2024 | -7,700 | Reduce 6.62% | 108,540 | $68.31 |
| Q4 2023 | -2,760 | Reduce 2.32% | 116,240 | $58.53 |
| Q3 2023 | -500 | Reduce 0.42% | 119,000 | $58.68 |
| Q4 2022 | +119,500 | New Buy | 119,500 | $48.89 |
| Q3 2022 | -120,000 | Sold Out | 0 | $0.00 |
| Q1 2022 | -12,500 | Reduce 9.43% | 120,000 | $68.35 |
| Q2 2021 | -2,000 | Reduce 1.49% | 132,500 | $47.64 |
| Q1 2021 | -2,500 | Reduce 1.82% | 134,500 | $36.88 |
| Q4 2020 | +137,000 | New Buy | 137,000 | $29.71 |
| Q3 2020 | -145,000 | Sold Out | 0 | $0.00 |
| Q1 2020 | +1,000 | Add 0.69% | 145,000 | $20.23 |
| Q4 2019 | +144,000 | New Buy | 144,000 | $21.35 |
| Q3 2019 | -206,500 | Sold Out | 0 | $0.00 |
| Q2 2019 | -2,850 | Reduce 1.36% | 206,500 | $15.37 |
| Q1 2019 | -5,000 | Reduce 2.33% | 209,350 | $16.79 |
| Q4 2018 | +214,350 | New Buy | 214,350 | $14.08 |
| Q3 2018 | -222,000 | Sold Out | 0 | $0.00 |
| Q2 2018 | -1,500 | Reduce 0.67% | 222,000 | $12.49 |
| Q1 2018 | -35,000 | Reduce 13.54% | 223,500 | $10.72 |
| Q4 2017 | -1,500 | Reduce 0.58% | 258,500 | $8.74 |
| Q2 2017 | +260,000 | New Buy | 260,000 | $7.49 |
| Q1 2017 | -259,500 | Sold Out | 0 | $0.00 |
| Q4 2016 | -113,500 | Reduce 30.43% | 259,500 | $6.02 |
| Q3 2016 | -5,000 | Reduce 1.32% | 373,000 | $7.39 |
| Q1 2016 | +4,000 | Add 1.07% | 378,000 | $6.13 |
| Q4 2015 | +12,500 | Add 3.46% | 374,000 | $6.24 |
| Q3 2015 | -20,500 | Reduce 5.37% | 361,500 | $8.50 |
| Q2 2015 | -38,500 | Reduce 9.16% | 382,000 | $8.27 |
| Q1 2015 | +9,500 | Add 2.31% | 420,500 | $6.99 |
| Q2 2014 | +186,000 | Add 82.67% | 411,000 | $5.03 |
| Q1 2014 | +150,000 | Add 200.00% | 225,000 | $4.40 |
| Q4 2013 | +75,000 | New Buy | 75,000 | $3.83 |
Mario Gabelli's Fortinet Investment FAQs
Mario Gabelli first purchased Fortinet, Inc. (FTNT) in Q4 2013, acquiring 75,000 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Mario Gabelli has held Fortinet, Inc. (FTNT) for 49 quarters since Q4 2013.
Mario Gabelli's largest addition to Fortinet, Inc. (FTNT) was in Q2 2017, adding 260,000 shares worth $1.95 M.
According to the latest 13F filing for Q4 2025, Mario Gabelli's firm, Gamco Investors, Inc. Et Al, owns 105,920 shares of Fortinet, Inc. (FTNT), valued at approximately $8.41 M.
As of the Q4 2025 filing, Fortinet, Inc. (FTNT) represents approximately 0.08% of Mario Gabelli's publicly disclosed stock portfolio, making it one of their key holdings.
Mario Gabelli's peak holding in Fortinet, Inc. (FTNT) was 420,500 shares, as reported at the end of Q1 2015.