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 $2,022.03 as of August 20, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $1,276.28, while $1000 invested 1 year ago would be worth $1,426.22. This corresponds to total returns of 102.2%, 27.63%, 42.62%, respectively, with annualized returns of 7.29%, 5%, 42.62%.

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
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
June 30, 2026630.95623.54623.54634.06622.29814,349
June 29, 2026635.99631.81631.81638.3626.86715,159
June 26, 2026623.64632.9632.9638.76623.441.21M
June 25, 2026623.16620.14620.14634.31619.7696,664
June 24, 2026621.63623.43623.43631.18619.27837,327
June 23, 2026607.92618.03618.03621.79607.921.27M
June 22, 2026604.46612.5612.5613.56594.91.6M
June 18, 2026612.07609.94609.94616.24598.192.21M
June 17, 2026615.16607.93607.93620602.131.25M
June 16, 2026615.18614.73614.73617.6608.211.01M
June 15, 2026613.35614.98614.98615.95608.59815,808
June 12, 2026613.11612.14612.14616.54605.01710,844
June 11, 2026604.31611.48611.48618.1603.57915,389
June 10, 2026619.07601.65601.65619.26601.22801,539
June 09, 2026624.17616.18616.18628.9610.951.06M
June 08, 2026638.04611.34611.34638.95608.981.02M
June 05, 2026632.26635.45635.45640.82632.09975,386
June 04, 2026628.07628.73628.73633.89621.11947,056
June 03, 2026600.79618.95618.95623.9599951,536
June 02, 2026596.52602.92602.92604.63591.521.04M
June 01, 2026607.54600.66600.66614598.791.08M
May 29, 2026620.11614.78614.78624.47609.772.15M
May 28, 2026630.15621.52621.52631.73620.351.23M
May 27, 2026634.8627.74627.74638.066251.91M
May 26, 2026642.45634.62634.62648.5632.68789,504
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