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 $527.68 as of September 11, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $529.33, while $1000 invested 1 year ago would be worth $1,945.14. This corresponds to total returns of -47.23%, -47.07%, 94.51%, respectively, with annualized returns of -11.8%, -11.95%, 94.51%.

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
September 10, 2026157158158161.89154.033,889
September 09, 2026157.47157.69157.69160153.58,403
September 08, 2026157.25156.45156.45157.47151.835,285
September 04, 2026157.51156.45156.45159.531533,880
September 03, 2026155.34157.06157.06161.11536,736
September 02, 2026164.5153.25153.25166151.8520,510
September 01, 2026172.98162.22162.22172.98160.7521,450
August 28, 2026167.57164.78164.78175162.695,790
August 27, 2026159.45171.81171.81172.03157.835,388
August 26, 2026157158.16158.16158.16148.132,357
August 25, 2026152.83152.58152.58157.02151.56,229
August 24, 2026153.98152.81152.81155.05150.644,782
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
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