Regeneron Pharmaceuticals, Inc. (REGN)
NASDAQ: REGN · Real-Time Price · USD
632.90
+12.76 (2.06%)
At close: Jun 26, 2026, 4:00 PM EDT
631.38
-1.52 (-0.24%)
After-hours: Jun 26, 2026, 7:57 PM EDT

Regeneron Pharmaceuticals Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Jun 26, 2026623.64638.76623.44632.90632.902.06%1,205,619
Jun 25, 2026623.16634.31619.70620.14620.14-0.53%696,664
Jun 24, 2026621.63631.18619.27623.43623.430.87%839,519
Jun 23, 2026607.92621.79607.92618.03618.030.90%1,279,871
Jun 22, 2026604.46613.56594.90612.50612.500.42%1,604,297
Jun 18, 2026612.07616.24598.19609.94609.940.33%2,609,258
Jun 17, 2026615.16620.00602.13607.93607.93-1.11%1,299,691
Jun 16, 2026615.18617.60608.21614.73614.73-0.04%1,007,463
Jun 15, 2026613.35615.95608.59614.98614.980.46%815,879
Jun 12, 2026613.11616.55605.01612.14612.140.11%717,780
Jun 11, 2026604.31618.10603.57611.48611.481.63%943,173
Jun 10, 2026619.07619.26601.22601.65601.65-2.36%816,110
Jun 9, 2026624.17628.90610.95616.18616.180.79%1,190,659
Jun 8, 2026638.04638.95608.98611.34611.34-3.79%1,259,234
Jun 5, 2026632.26640.82632.09635.45635.451.07%975,793
Jun 4, 2026628.07633.89621.11628.73628.731.58%974,745
Jun 3, 2026600.79625.00599.00618.95618.952.66%986,685
Jun 2, 2026596.52604.63591.52602.92602.920.38%1,067,006
Jun 1, 2026607.54614.00598.80600.66600.66-2.30%1,080,307
May 29, 2026620.11624.47609.77614.78614.78-1.08%2,187,707
May 28, 2026630.15631.73620.35621.52621.52-0.99%1,234,667
May 27, 2026634.80638.06625.00627.74627.74-1.08%1,913,613
May 26, 2026642.45648.50632.68634.62634.62-0.67%889,901
May 22, 2026639.24644.12632.72638.88638.88-0.58%995,023
May 21, 2026645.00650.32639.81642.59642.59-1.10%1,178,558
May 20, 2026634.32651.00633.60649.76649.763.24%1,165,758
May 19, 2026630.49639.99616.02630.30629.360.10%1,445,135
May 18, 2026615.93633.00610.60629.68628.74-9.82%2,996,891
May 15, 2026712.69717.89693.70698.25697.21-2.05%728,233
May 14, 2026719.00722.51710.06712.87711.81-0.97%767,205
May 13, 2026721.29730.59709.51719.88718.81-0.49%879,367
May 12, 2026716.39725.60710.02723.41722.331.49%824,575
May 11, 2026714.99727.39701.99712.77711.71-0.30%1,227,186
May 8, 2026709.29717.99708.36714.89713.820.82%589,041
May 7, 2026718.50725.31707.43709.10708.04-1.66%774,679
May 6, 2026703.33726.16702.50721.05719.972.67%739,914
May 5, 2026710.73715.62699.23702.27701.22-0.98%642,799
May 4, 2026702.56711.55699.75709.21708.151.11%554,271
May 1, 2026703.02714.48700.26701.42700.37-0.80%729,185
Apr 30, 2026693.08708.44688.95707.06706.013.02%1,096,636
Apr 29, 2026705.11708.80668.85686.36685.34-6.21%1,834,985
Apr 28, 2026751.37754.00730.90731.77730.68-1.70%569,174
Apr 27, 2026745.47756.40743.61744.44743.33-0.95%603,283
Apr 24, 2026760.00761.96736.71751.57750.45-1.89%809,546
Apr 23, 2026750.99767.21747.26766.02764.882.60%928,723
Apr 22, 2026751.48755.78740.47746.58745.47-0.10%901,955
Apr 21, 2026746.20751.54734.12747.36746.25-0.27%707,466
Apr 20, 2026750.00755.59744.00749.41748.29-0.15%493,842
Apr 17, 2026754.74758.61746.91750.57749.450.61%512,998
Apr 16, 2026749.56756.00742.69746.00744.89-1.05%505,374
Apr 15, 2026758.67760.58739.12753.93752.81-0.21%571,311
Apr 14, 2026744.97757.68743.71755.51754.381.21%637,779
Apr 13, 2026747.74756.90737.34746.46745.35-0.32%747,093
Apr 10, 2026771.48771.48739.09748.87747.75-2.47%751,457
Apr 9, 2026764.15772.45761.50767.85766.70-0.99%596,831
Apr 8, 2026765.26775.63755.99775.53774.372.01%580,427
Apr 7, 2026758.40761.91747.76760.27759.14-0.36%620,874
Apr 6, 2026766.83768.80758.49763.04761.900.16%460,419
Apr 2, 2026767.04770.11745.00761.85760.71-1.98%1,000,702
Apr 1, 2026775.00781.21769.97777.25776.090.60%627,412
Mar 31, 2026757.47774.26755.80772.64771.493.12%642,702
Mar 30, 2026743.83757.68741.47749.29748.171.57%630,455
Mar 27, 2026756.65759.47736.64737.71736.61-2.51%492,197
Mar 26, 2026749.40761.73747.77756.73755.600.97%488,587
Mar 25, 2026744.67757.98744.02749.47748.351.05%553,090
Mar 24, 2026728.51743.17727.96741.69740.580.70%507,979
Mar 23, 2026745.00750.00735.00736.53735.430.50%535,936
Mar 20, 2026738.17744.85728.64732.87731.78-0.62%1,359,993
Mar 19, 2026744.50750.32727.88737.45736.35-0.90%628,268
Mar 18, 2026751.22757.60734.56744.12743.01-1.97%672,598
Mar 17, 2026763.53771.23755.64759.05757.920.28%437,038
Mar 16, 2026750.00763.30747.01756.91755.781.49%396,216
Mar 13, 2026754.55758.98741.90745.77744.66-0.11%438,297
Mar 12, 2026764.06766.00744.00746.61745.50-3.62%630,421
Mar 11, 2026769.17783.12765.00774.66773.500.34%405,249
Mar 10, 2026781.67788.69771.34772.03770.88-1.22%473,422
Mar 9, 2026759.86783.70754.91781.60780.432.86%697,070
Mar 6, 2026755.01762.40746.66759.86758.73-0.66%561,908
Mar 5, 2026780.00781.99760.01764.93763.79-2.87%657,525
Mar 4, 2026767.05791.60764.24787.50786.332.72%641,608
Mar 3, 2026781.01794.77764.49766.66765.52-3.05%637,256
Mar 2, 2026771.10793.16769.63790.81789.631.17%793,325
Feb 27, 2026760.91786.68760.91781.67780.501.41%726,380
Feb 26, 2026784.28784.50753.79770.79769.64-1.72%772,714
Feb 25, 2026774.13791.11771.43784.28783.111.57%751,069
Feb 24, 2026780.47792.67768.75772.19771.04-1.89%628,679
Feb 23, 2026777.58792.16777.58787.04785.870.95%510,650
Feb 20, 2026775.00781.46770.00779.67778.51-0.23%615,295
Feb 19, 2026790.00790.00773.31782.38780.27-1.23%505,091
Feb 18, 2026793.53797.00786.79792.16790.03-0.17%675,897
Feb 17, 2026803.48815.00783.62793.53791.39-1.20%747,143
Feb 13, 2026788.92806.18785.00803.17801.012.49%974,845
Feb 12, 2026784.80796.72774.72783.65781.540.60%814,483
Feb 11, 2026750.85781.42745.07778.97776.873.19%1,123,719
Feb 10, 2026779.73781.40753.10754.91752.88-3.25%792,677
Feb 9, 2026783.17790.00775.50780.28778.18-0.67%586,816
Feb 6, 2026769.63786.99764.78785.51783.402.46%671,659
Feb 5, 2026777.83790.00760.00766.63764.57-1.09%976,458
Feb 4, 2026765.80779.78765.21775.06772.972.09%952,077
Feb 3, 2026745.53773.72742.74759.18757.140.55%768,694