Skip to main content
Regeneron Pharmaceuticals, Inc. (REGN)
NASDAQ: REGN · Real-Time Price · USD
959.41
+43.35 (4.73%)
At close: Nov 11, 2026, 4:00 PM EST
964.90
+5.49 (0.57%)
After-hours: Nov 11, 2026, 7:57 PM EST

Regeneron Pharmaceuticals Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Nov 11, 2026904.99961.98898.29959.41959.414.73%1,233,437
Nov 10, 2026915.34919.72905.38916.06916.06-0.42%517,079
Nov 9, 2026922.35933.36901.07919.96919.961.73%856,756
Nov 6, 2026887.22911.64887.04904.35904.350.16%1,122,872
Nov 5, 2026938.51948.11901.53902.90902.90-2.98%1,407,351
Nov 4, 2026989.90991.73927.42930.67930.67-4.39%1,395,270
Nov 3, 2026956.28975.49953.00973.36973.361.26%1,200,307
Nov 2, 2026927.22974.00927.00961.26961.263.60%1,661,160
Oct 30, 2026869.43935.35839.08927.89927.8913.33%2,870,752
Oct 29, 2026826.14828.19811.63818.77818.770.68%789,303
Oct 28, 2026807.06821.16802.20813.27813.27-0.35%536,498
Oct 27, 2026807.67816.14804.05816.10816.101.04%726,151
Oct 26, 2026812.31817.17796.61807.67807.670.33%423,958
Oct 23, 2026819.09819.09801.22805.02805.02-1.72%527,739
Oct 22, 2026809.01825.52800.00819.09819.091.67%852,594
Oct 21, 2026806.74813.86800.24805.67805.67-0.22%581,051
Oct 20, 2026793.85807.86789.69807.48807.483.25%623,400
Oct 19, 2026792.59800.00780.83782.04782.04-1.10%489,580
Oct 16, 2026803.01805.68787.32790.74790.74-0.70%653,725
Oct 15, 2026802.33809.49792.58796.34796.342.31%798,909
Oct 14, 2026758.16781.84755.21778.36778.363.35%879,091
Oct 13, 2026762.49765.60743.57753.12753.12-1.27%629,557
Oct 12, 2026748.67768.66744.96762.81762.812.18%618,293
Oct 9, 2026737.20751.27732.83746.54746.540.94%466,026
Oct 8, 2026742.12744.50723.65739.57739.57-0.34%500,295
Oct 7, 2026738.05753.68734.18742.12742.120.46%626,433
Oct 6, 2026734.61740.51727.16738.72738.721.69%615,062
Oct 5, 2026734.37736.42722.02726.47726.47-1.19%695,028
Oct 2, 2026740.50742.50729.20735.20735.200.05%613,949
Oct 1, 2026766.53777.43726.02734.81734.81-3.09%1,042,865
Sep 30, 2026749.84763.72742.94758.27758.271.03%872,457
Sep 29, 2026745.85752.47741.83750.51750.51-0.23%804,336
Sep 28, 2026778.09780.95750.00752.25752.25-4.54%1,149,832
Sep 25, 2026803.87803.87784.13788.04788.04-1.00%592,145
Sep 24, 2026801.59807.21789.39796.02796.02-0.72%602,653
Sep 23, 2026805.23813.53790.02801.82801.82-0.26%721,110
Sep 22, 2026802.48811.66791.31803.90803.900.72%600,266
Sep 21, 2026786.03801.44779.96798.17798.171.70%704,526
Sep 18, 2026787.34794.73779.65784.85784.85-0.58%2,473,436
Sep 17, 2026781.18789.99774.78789.45789.451.92%702,816
Sep 16, 2026775.82779.98771.80774.61774.610.06%382,945
Sep 15, 2026788.53788.58769.57774.11774.11-2.47%540,837
Sep 14, 2026791.98798.84779.45793.74793.741.57%591,295
Sep 11, 2026800.00800.22780.81781.49781.49-1.48%443,986
Sep 10, 2026794.36806.14792.00793.26793.26-1.78%526,911
Sep 9, 2026803.83808.63796.73807.65807.65-0.33%621,458
Sep 8, 2026814.36821.17799.42810.31810.31-2.10%556,536
Sep 4, 2026840.06841.54825.83827.72827.72-1.87%561,170
Sep 3, 2026858.19859.34837.63843.47843.47-1.00%496,255
Sep 2, 2026826.24854.49825.77852.03852.033.42%749,453