Regeneron Pharmaceuticals, Inc. (REGN) NASDAQ

Currency In USD

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REGN Historical Return

If you invested $1000 in Regeneron Pharmaceuticals, Inc. (REGN) 10 years ago, it would be worth $1,893.01 as of September 28, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $1,311.35, while $1000 invested 1 year ago would be worth $1,408.77. This corresponds to total returns of 89.3%, 31.13%, 40.88%, respectively, with annualized returns of 6.59%, 5.57%, 40.88%.

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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REGN Historical Data

Date Range:

DateOpenCloseAdj CloseHighLowVolume
September 25, 2026803.87788.04788.04803.87784.13539,902
September 24, 2026801.59796.02796.02807.21789.39584,897
September 23, 2026805.23801.82801.82813.53790.02636,813
September 22, 2026802.48803.9803.9811.66791.31586,034
September 21, 2026786.03798.17798.17801.44779.96676,812
September 18, 2026787.34784.85784.85794.73779.652.46M
September 17, 2026781.18789.45789.45789.99774.78699,160
September 16, 2026775.82774.61774.61779.98771.8379,657
September 15, 2026788.53774.11774.11788.58769.57533,547
September 11, 2026800781.49781.49800.22780.81439,221
September 10, 2026794.36793.26793.26806.14792519,487
September 09, 2026803.83807.65807.65808.63796.73563,433
September 08, 2026814.36810.31810.31821.17799.42552,274
September 04, 2026840.06827.72827.72841.54825.83535,178
September 03, 2026858.19843.47843.47859.34837.63494,899
September 02, 2026826.24852.03852.03854.49825.77749,178
September 01, 2026808.86823.82823.82824.63804.32672,344
August 31, 2026782.44799.08799.08802.78779.08751,715
August 28, 2026809.4794.19794.19809.4789.08487,337
August 27, 2026806.18807.71807.71817.62804.27611,455
August 26, 2026827.78814.79814.79831.67814.7583,278
August 25, 2026829.22833.56833.56839.94823.44505,399
August 24, 2026834.51828.5828.5834.7823.4503,750
August 21, 2026835.74834.04834.04846.88826.64773,952
August 20, 2026831.7826.64826.64840.82826.05565,228
August 19, 2026817.17840.84840.84844.92815.38748,808
August 18, 2026814810.24810.24821.02805.93610,411
August 17, 2026801.76805.93805.93813.18795.73541,263
August 14, 2026802.35803.48803.48806.54792.57423,579
August 13, 2026802.21805.97805.97815.8794.49695,862
August 12, 2026790.55797.99797.99801.36784.61559,588
August 11, 2026808.8797797813.63796.66611,247
August 10, 2026781.72808.05808.05809.09775.83981,938
August 07, 2026774.47784.36784.36785.99767.17716,721
August 06, 2026777.85772.11772.11780.95762.79620,002
August 05, 2026767.98768.58768.58782.59763.31529,994
August 04, 2026753.76760.66760.66763.54747817,234
August 03, 2026769.54759.24759.24772.75756.44841,961
July 31, 2026726.69762.63762.63764.75724.791.16M
July 30, 2026701.9738.34738.34740694.981.45M
July 29, 2026699.38695.42695.42702.66911.02M
July 28, 2026676.93695.18695.18696.74676.46898,730
July 27, 2026661.77667.17667.17678.12659.53649,852
July 24, 2026658.29656.01656.01667.5654.05701,789
July 23, 2026646.48651.91651.91655.2637.81.13M
July 22, 2026676.43651.18651.18676.8648.9871,937
July 21, 2026672.55675.19675.19678.67666.87527,849
July 20, 2026674.72672.15672.15681.74669.88606,163
July 17, 2026676.05676.69676.69691.13672.31647,348
July 16, 2026666.28678.94678.94680.29661.38726,128
July 15, 2026656.11664.45664.45669.1648.66555,401
July 14, 2026658656.12656.12663.1653.31472,309
July 13, 2026661.63663.09663.09665.6655.11604,852
July 10, 2026670.06664.52664.52676.66658.5565,852
July 09, 2026660.8667.95667.95669.16660.8671,993
July 08, 2026669.11662.88662.88670.35661.43746,725
July 07, 2026663.18676.23676.23677.92659.02918,180
July 06, 2026657.96649.81649.81657.96637.72714,206
July 02, 2026630.52654.27654.27654.93625.71.04M
July 01, 2026629.9624.72624.72632.85623.891.12M
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