Fortinet, Inc. (0IR9.L) LSE

Currency In USD

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0IR9.L Historical Return

If you invested $1000 in Fortinet, Inc. (0IR9.L) since IPO date, it would be worth $509.96 as of August 22, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $498.05, while $1000 invested 1 year ago would be worth $1,901.17. This corresponds to total returns of -49%, -50.19%, 90.12%, respectively, with annualized returns of -12.52%, -13.01%, 90.12%.

Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.

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0IR9.L Historical Data

Date Range:

DateOpenCloseAdj CloseHighLowVolume
August 21, 2026150.93152.15152.15153148.142,930
August 20, 2026152.88151.15151.15158.3145.0612,985
August 19, 2026158.01153.64153.64159151.74,744
August 18, 2026156.15158158159.51554,659
August 17, 2026159.3155.95155.95161.61155.756,260
August 14, 2026166161.6161.6168.63159.035,121
August 13, 2026162.44163.92163.92164.761606,462
August 12, 2026162.06161.55161.55164.991606,645
August 11, 2026167.2161.92161.92169.9160.587,008
August 10, 2026157.95164.52164.52167.14157.955,302
August 07, 2026161.91158.71158.71166.31158.695,810
August 06, 2026164.16159.6159.6168.11156.335,880
August 05, 2026169.01165.69165.69173165.017,576
August 04, 2026163.6168.05168.05170161.287,935
August 03, 2026162.43164.01164.01168.581589,302
July 31, 2026155.39161161161.52149.188,966
July 30, 2026169.08154.24154.24172152.6349,626
July 29, 2026150.4147.15147.15153.41143.739,240
July 28, 2026149151.95151.95156.96146.114,831
July 27, 2026153.9153.01153.01156.25151.893,047
July 24, 2026151.32153.6153.6154.991504,384
July 23, 2026152151.57151.57159.99150.928,496
July 22, 2026159.46155.23155.23161154.7338,834
July 21, 2026161.1156.86156.86167.23156.0228,045
July 20, 2026161.61163.42163.42164.37156.096,018
July 17, 2026159.39162.81162.81164.02154.686,722
July 16, 2026165.2161.97161.97168159.213,138
July 15, 2026167.48164.47164.47170.35163.276,847
July 14, 2026161.77165.93165.93167.1615579,195
July 13, 2026154161.13161.13161.96153.64,369
July 10, 2026162.39157.83157.83165.91157.094,964
July 09, 2026157.97163163163.311528,002
July 08, 2026158.31155.79155.79160152.237,098
July 07, 2026160161.84161.84165.25155.6714,101
July 06, 2026155.15162.6162.6163.47153.818,181
July 02, 2026159.44157.62157.62161.17156.216,901
July 01, 2026153.4158.68158.68159.661519,491
June 30, 2026154.8152.67152.67156150.7312,020
June 29, 2026152.75157.45157.45158.99151.521,797
June 26, 2026149.07151.37151.37152.2414710,928
June 25, 2026145150.69150.69151.714333,970
June 24, 2026149145.68145.68149.52143.3516,099
June 23, 2026145.7147.88147.88148.35139.7316,829
June 22, 2026144.2144.22144.22149.28141.697,349
June 18, 2026144.42146.79146.79147.99139.699,196
June 17, 2026148.25143.26143.26149.991414,919
June 16, 2026150.54145.59145.59150.54143.764,681
June 15, 2026148.57148.05148.05149.95142.564,822
June 12, 2026145.18145.21145.21148.38142.153,776
June 11, 2026137144.86144.86145.13136.9912,659
June 10, 2026138.35140.36140.36141.1213012,318
June 09, 2026142.51136.25136.25145132.9978,964
June 08, 2026145.1143.29143.29147.5714118,964
June 05, 2026148145.46145.46151145.469,061
June 04, 2026145.41149.31149.31151141.53,365
June 03, 2026148.54146.67146.67150141.719,179
June 02, 2026146.1146.27146.27147.7514010,778
June 01, 2026139.27145.74145.74146137.5617,316
May 29, 2026129137.16137.16137.17127.3211,146
May 28, 2026130129.7129.713212510,821
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