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Biogen Inc. (BIIB)
NASDAQ: BIIB · Real-Time Price · USD
140.64
+3.56 (2.60%)
At close: Feb 21, 2025, 4:00 PM
140.60
-0.04 (-0.03%)
After-hours: Feb 21, 2025, 7:30 PM EST

Biogen Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Feb 20, 2025137.19138.94136.52137.08137.080.29%2,056,934
Feb 19, 2025135.95137.79135.02136.68136.680.08%1,548,482
Feb 18, 2025138.14139.16135.94136.57136.57-0.55%1,327,555
Feb 14, 2025140.14141.69136.05137.33137.33-0.81%1,692,167
Feb 13, 2025132.15139.10132.15138.45138.453.76%2,257,367
Feb 12, 2025136.76137.80128.51133.43133.43-4.28%3,538,208
Feb 11, 2025140.66141.56138.72139.39139.39-2.21%1,910,076
Feb 10, 2025141.63142.68140.06142.54142.540.84%1,523,744
Feb 7, 2025141.84143.69140.75141.35141.35-0.72%1,154,178
Feb 6, 2025145.18145.98141.69142.37142.37-2.17%1,329,576
Feb 5, 2025142.90147.00142.64145.53145.532.13%1,173,708
Feb 4, 2025141.08143.98141.07142.49142.490.11%1,055,807
Feb 3, 2025142.81144.50141.64142.34142.34-1.10%1,110,587
Jan 31, 2025145.20147.40143.63143.93143.93-1.57%1,402,243
Jan 30, 2025145.84147.64145.24146.23146.231.26%1,110,910
Jan 29, 2025145.10147.38143.34144.41144.41-0.74%1,484,380
Jan 28, 2025148.29148.55145.08145.49145.49-2.20%1,301,853
Jan 27, 2025146.55149.67146.55148.76148.761.75%1,662,698
Jan 24, 2025143.45146.33141.98146.20146.201.76%1,303,128
Jan 23, 2025143.14143.77139.83143.67143.670.64%1,466,135
Jan 22, 2025140.75143.15139.71142.75142.751.26%1,083,104
Jan 21, 2025141.00142.09140.59140.98140.980.31%1,183,497
Jan 17, 2025143.13143.50140.06140.55140.55-0.48%1,150,005
Jan 16, 2025140.49142.39140.05141.23141.230.16%1,198,803
Jan 15, 2025145.46146.15140.87141.00141.00-1.44%1,557,573
Jan 14, 2025149.92150.22142.42143.06143.06-4.74%1,709,965
Jan 13, 2025148.92150.48145.82150.18150.180.91%1,142,917
Jan 10, 2025149.18150.20147.65148.82148.82-1.28%1,256,392
Jan 8, 2025152.27152.82150.07150.75150.75-1.57%1,038,787
Jan 7, 2025153.11156.37152.91153.15153.15-0.08%1,110,443
Jan 6, 2025151.93153.60151.62153.27153.270.70%1,319,993
Jan 3, 2025149.73152.97149.73152.21152.211.47%1,188,706
Jan 2, 2025153.84154.12149.84150.00150.00-1.91%1,097,435
Dec 31, 2024150.80153.04150.19152.92152.921.82%1,148,462
Dec 30, 2024150.92151.18148.19150.19150.19-0.74%1,164,110
Dec 27, 2024148.74151.88148.23151.31151.310.94%1,128,485
Dec 26, 2024148.00150.68147.83149.90149.900.59%846,314
Dec 24, 2024148.67149.41147.07149.02149.02-0.24%524,900
Dec 23, 2024146.00149.92145.52149.38149.381.99%1,535,024
Dec 20, 2024145.64147.85145.07146.47146.47-0.62%5,776,167
Dec 19, 2024146.60148.25145.24147.39147.390.41%1,650,225
Dec 18, 2024150.01151.49146.58146.79146.79-2.56%1,496,012
Dec 17, 2024150.16154.24149.93150.64150.640.10%1,377,890
Dec 16, 2024149.00152.25148.60150.49150.490.31%1,897,185
Dec 13, 2024154.57154.57149.94150.03150.03-3.41%1,608,569
Dec 12, 2024156.70158.20155.21155.33155.33-1.35%1,050,592
Dec 11, 2024156.37158.15153.69157.46157.460.73%1,395,387
Dec 10, 2024157.34158.10154.99156.32156.32-0.09%1,862,950
Dec 9, 2024157.21160.74155.75156.46156.46-0.84%1,483,486
Dec 6, 2024159.06160.83157.35157.78157.78-0.93%947,660
Dec 5, 2024161.10162.62158.31159.26159.26-1.03%1,037,392
Dec 4, 2024160.85161.36159.12160.92160.920.04%1,157,437
Dec 3, 2024162.62163.77160.72160.85160.85-2.06%1,210,835
Dec 2, 2024160.16165.29160.16164.23164.232.24%1,663,850
Nov 29, 2024160.72161.67158.44160.63160.630.50%1,109,608
Nov 27, 2024158.65160.73158.45159.83159.831.36%1,325,152
Nov 26, 2024159.20160.00156.09157.69157.69-0.64%1,418,028
Nov 25, 2024159.99160.63158.36158.71158.710.51%2,091,507
Nov 22, 2024158.10159.72157.28157.90157.90-0.07%1,703,784
Nov 21, 2024157.17159.10154.74158.01158.011.29%1,886,119
Nov 20, 2024155.03156.18153.62156.00156.000.37%1,630,800
Nov 19, 2024157.02157.90155.28155.43155.43-1.59%1,296,858
Nov 18, 2024158.19160.11157.40157.94157.94-1.28%1,633,153
Nov 15, 2024165.46166.34159.60159.99159.99-2.97%1,917,074
Nov 14, 2024165.00175.86163.35164.89164.89-0.54%3,210,556
Nov 13, 2024167.74168.98165.53165.79165.79-1.48%1,394,716
Nov 12, 2024171.36171.61167.71168.28168.28-2.18%1,406,476
Nov 11, 2024173.92173.92171.11172.03172.03-0.58%1,458,327
Nov 8, 2024173.58175.20171.57173.04173.04-0.51%1,581,739
Nov 7, 2024175.69176.95172.80173.92173.92-0.28%1,438,368
Nov 6, 2024176.87179.20173.66174.40174.40-1.43%1,828,000
Nov 5, 2024172.71177.25170.72176.93176.931.97%2,472,150
Nov 4, 2024173.22174.85170.71173.52173.52-0.16%2,494,932
Nov 1, 2024173.65175.99173.14173.79173.79-0.12%1,456,185
Oct 31, 2024178.11179.48173.88174.00174.00-3.96%1,755,618
Oct 30, 2024184.63185.00177.93181.18181.18-1.25%1,632,893
Oct 29, 2024184.82187.28183.19183.47183.47-0.83%1,342,663
Oct 28, 2024182.48185.60181.73185.01185.011.83%1,893,596
Oct 25, 2024185.70187.58181.25181.69181.69-1.18%1,720,227
Oct 24, 2024184.79185.72183.28183.86183.860.48%1,057,153
Oct 23, 2024184.88185.82182.11182.98182.98-1.57%977,680
Oct 22, 2024183.81186.54182.80185.90185.900.68%830,923
Oct 21, 2024190.16190.40184.02184.65184.65-2.90%1,252,578
Oct 18, 2024188.22191.19187.94190.16190.160.32%928,129
Oct 17, 2024188.55190.19187.70189.55189.550.29%728,862
Oct 16, 2024191.68192.16188.90189.00189.00-1.33%985,105
Oct 15, 2024191.87194.13190.67191.55191.55-0.01%1,429,267
Oct 14, 2024188.59191.96186.61191.56191.561.69%1,273,974
Oct 11, 2024189.00189.43186.91188.38188.38-0.11%1,429,506
Oct 10, 2024184.56188.88184.30188.59188.591.52%1,323,453
Oct 9, 2024182.46185.80181.31185.76185.761.90%1,160,970
Oct 8, 2024182.73183.55181.31182.30182.30-0.57%1,207,722
Oct 7, 2024184.76185.93182.48183.34183.34-1.26%983,646
Oct 4, 2024186.68186.80183.82185.68185.680.49%1,137,219
Oct 3, 2024187.21188.14183.56184.78184.78-2.10%2,037,068
Oct 2, 2024190.08191.86188.05188.74188.74-1.08%1,472,525
Oct 1, 2024194.61195.00190.27190.80190.80-1.57%2,236,314
Sep 30, 2024193.36194.48192.28193.84193.84-0.43%989,710
Sep 27, 2024194.49197.70193.98194.67194.670.55%709,807
Sep 26, 2024191.17193.73190.50193.60193.602.40%818,318