If you invested $1000 in Fortinet, Inc. (0IR9.L) since IPO date, it would be worth $483.38 as of June 23, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 3 years ago would be worth $2,017.63, while $1000 invested 1 year ago would be worth $1,402.78. This corresponds to total returns of -51.66%, 101.76%, 40.28%, respectively, with annualized returns of -13.86%, 26.33%, 40.28%.
Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.
Date Range:
| Date | Open | Close | Adj Close | High | Low | Volume |
|---|---|---|---|---|---|---|
| June 22, 2026 | 144.2 | 144.22 | 144.22 | 149.28 | 141.69 | 7,349 |
| June 18, 2026 | 144.42 | 146.79 | 146.79 | 147.99 | 139.69 | 9,196 |
| June 17, 2026 | 148.25 | 143.26 | 143.26 | 149.99 | 141 | 4,919 |
| June 16, 2026 | 150.54 | 145.59 | 145.59 | 150.54 | 143.76 | 4,681 |
| June 15, 2026 | 148.57 | 148.05 | 148.05 | 149.95 | 142.56 | 4,822 |
| June 12, 2026 | 145.18 | 145.21 | 145.21 | 148.38 | 142.15 | 3,776 |
| June 11, 2026 | 137 | 144.86 | 144.86 | 145.13 | 136.99 | 12,659 |
| June 10, 2026 | 138.35 | 140.36 | 140.36 | 141.12 | 130 | 12,318 |
| June 09, 2026 | 142.51 | 136.25 | 136.25 | 145 | 132.99 | 78,964 |
| June 08, 2026 | 145.1 | 143.29 | 143.29 | 147.57 | 141 | 18,964 |
| June 05, 2026 | 148 | 145.46 | 145.46 | 151 | 145.46 | 9,061 |
| June 04, 2026 | 145.41 | 149.31 | 149.31 | 151 | 141.5 | 3,365 |
| June 03, 2026 | 148.54 | 146.67 | 146.67 | 150 | 141.71 | 9,179 |
| June 02, 2026 | 146.1 | 146.27 | 146.27 | 147.75 | 140 | 10,778 |
| June 01, 2026 | 139.27 | 145.74 | 145.74 | 146 | 137.56 | 17,316 |
| May 29, 2026 | 129 | 137.16 | 137.16 | 137.17 | 127.32 | 11,146 |
| May 28, 2026 | 130 | 129.7 | 129.7 | 132 | 125 | 10,821 |
| May 27, 2026 | 132.92 | 128.3 | 128.3 | 133.63 | 126 | 27,280 |
| May 26, 2026 | 134.92 | 134.45 | 134.45 | 135.02 | 128.56 | 4,845 |
| May 22, 2026 | 130 | 133.04 | 133.04 | 133.79 | 125.25 | 5,957 |
| May 21, 2026 | 129.8 | 128.53 | 128.53 | 130.19 | 126.11 | 7,471 |
| May 20, 2026 | 127.1 | 128.8 | 128.8 | 129.34 | 124.9 | 6,302 |
| May 19, 2026 | 126.25 | 126.15 | 126.15 | 128.15 | 123.77 | 9,583 |
| May 18, 2026 | 122.4 | 125.58 | 125.58 | 125.83 | 120.24 | 12,899 |
| May 15, 2026 | 121.4 | 121.75 | 121.75 | 123.31 | 117.77 | 5,645 |
| May 14, 2026 | 118.01 | 120.48 | 120.48 | 120.81 | 114.33 | 6,484 |
| May 13, 2026 | 114 | 115.86 | 115.86 | 116 | 112.51 | 12,007 |
| May 12, 2026 | 115.78 | 114.13 | 114.13 | 119.75 | 113.7 | 9,853 |
| May 11, 2026 | 113.15 | 114.96 | 114.96 | 114.96 | 110 | 12,348 |
| May 08, 2026 | 107 | 114.14 | 114.14 | 114.58 | 105.4 | 15,558 |
| May 07, 2026 | 101 | 106.99 | 106.99 | 112.14 | 100 | 51,800 |
| May 06, 2026 | 90.19 | 89.77 | 89.77 | 90.5 | 87.35 | 16,916 |
| May 05, 2026 | 89.51 | 89.46 | 89.46 | 90.5 | 88.39 | 5,877 |
| May 01, 2026 | 85.5 | 86.61 | 86.61 | 86.7 | 83.51 | 2,863 |
| April 30, 2026 | 84.28 | 84.47 | 84.47 | 85.5 | 82.46 | 14,010 |
| April 29, 2026 | 86.08 | 85.76 | 85.76 | 87.4 | 84.27 | 2,824 |
| April 28, 2026 | 85.44 | 85.85 | 85.85 | 87.41 | 82.5 | 4,430 |
| April 27, 2026 | 84.16 | 86.09 | 86.09 | 86.72 | 83.74 | 14,183 |
| April 24, 2026 | 82 | 84.37 | 84.37 | 84.37 | 82 | 3,131 |
| April 23, 2026 | 85.78 | 82.5 | 82.5 | 86.05 | 81.84 | 30,435 |
| April 22, 2026 | 85.88 | 86.29 | 86.29 | 87.6 | 84.68 | 5,517 |
| April 21, 2026 | 83 | 85.33 | 85.33 | 85.64 | 82 | 6,658 |
| April 20, 2026 | 81 | 82.86 | 82.86 | 83.24 | 80.5 | 6,763 |
| April 17, 2026 | 82.4 | 81.05 | 81.05 | 84.2 | 81.05 | 8,611 |
| April 16, 2026 | 79.64 | 81.74 | 81.74 | 82.47 | 79 | 7,093 |
| April 15, 2026 | 78.71 | 78.21 | 78.21 | 79.97 | 77.43 | 2,381 |
| April 14, 2026 | 79 | 77.95 | 77.95 | 79.96 | 77.95 | 7,779 |
| April 13, 2026 | 76.35 | 78.74 | 78.74 | 78.74 | 76.1 | 5,470 |
| April 10, 2026 | 80.66 | 76.68 | 76.68 | 83.08 | 76 | 13,982 |
| April 09, 2026 | 83.5 | 80.3 | 80.3 | 83.9 | 79.69 | 4,854 |
| April 08, 2026 | 85.58 | 82.77 | 82.77 | 86.58 | 82.33 | 6,513 |
| April 07, 2026 | 81.75 | 82.58 | 82.58 | 83.69 | 81.4 | 5,936 |
| April 02, 2026 | 80.2 | 81.82 | 81.82 | 81.95 | 79.09 | 1,775 |
| April 01, 2026 | 82.03 | 81.35 | 81.35 | 82.34 | 80.19 | 7,436 |
| March 31, 2026 | 80 | 81.42 | 81.22 | 82.5 | 78.31 | 3,282 |
| March 30, 2026 | 77.86 | 80.16 | 79.88 | 80.79 | 76 | 2,890 |
| March 27, 2026 | 78 | 79.07 | 79.07 | 81.92 | 76.46 | 8,525 |
| March 26, 2026 | 78.88 | 80.49 | 80.49 | 81.67 | 77.48 | 1,993 |
| March 25, 2026 | 79.74 | 78.94 | 78.94 | 81.51 | 78.86 | 2,457 |
| March 24, 2026 | 80.95 | 80.25 | 79.89 | 83.8 | 79.75 | 4,402 |