Biogen Inc. (BIIB)
NASDAQ: BIIB · Real-Time Price · USD
146.47
-0.92 (-0.62%)
At close: Dec 20, 2024, 4:00 PM
147.65
+1.18 (0.81%)
After-hours: Dec 20, 2024, 6:13 PM EST

Biogen Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Dec 20, 2024145.64147.85145.07146.47146.47-0.62%5,734,167
Dec 19, 2024146.60148.25145.24147.39147.390.41%1,650,225
Dec 18, 2024150.01151.49146.57146.79146.79-2.56%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%1,050,600
Dec 11, 2024156.37158.15153.69157.46157.460.73%1,395,387
Dec 10, 2024157.34158.10154.99156.32156.32-0.09%1,863,000
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, 2024159.99160.63158.35158.71158.710.51%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%3,210,600
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%2,472,200
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%1,632,900
Oct 29, 2024184.82187.28183.19183.47183.47-0.83%1,342,700
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%1,057,200
Oct 23, 2024184.88185.82182.11182.98182.98-1.57%977,700
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%728,900
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%1,274,000
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
Sep 25, 2024193.84194.56188.78189.07189.07-2.60%1,543,800
Sep 24, 2024199.99199.99193.54194.12194.12-0.86%1,188,070
Sep 23, 2024199.20199.20195.67195.81195.81-1.78%1,325,639
Sep 20, 2024200.01200.37196.97199.36199.36-1.03%3,833,539
Sep 19, 2024200.57204.18200.11201.44201.441.95%1,125,400
Sep 18, 2024198.13199.78196.81197.59197.59-0.31%670,703
Sep 17, 2024199.83202.79197.09198.21198.21-0.69%923,985
Sep 16, 2024197.26199.74194.75199.58199.582.02%1,034,534
Sep 13, 2024197.66197.70192.25195.63195.63-1.14%1,090,828
Sep 12, 2024199.05199.26194.90197.89197.89-0.60%852,116
Sep 11, 2024198.95199.28196.02199.09199.09-0.77%795,231
Sep 10, 2024199.49201.19197.82200.64200.640.69%557,446
Sep 9, 2024200.44201.06198.11199.27199.27-0.77%883,333
Sep 6, 2024202.53203.24198.55200.81200.81-0.49%834,800
Sep 5, 2024205.19205.19198.19201.80201.80-1.54%1,127,600
Sep 4, 2024205.72206.50203.53204.95204.950.05%785,237
Sep 3, 2024204.22206.70203.50204.84204.840.04%892,266
Aug 30, 2024205.82205.88202.85204.76204.76-0.03%879,061
Aug 29, 2024206.00206.39202.76204.82204.820.30%520,200
Aug 28, 2024203.76204.72202.93204.20204.200.44%637,500
Aug 27, 2024204.86205.00201.88203.30203.30-0.76%565,400
Aug 26, 2024206.23206.23204.09204.86204.86-0.07%478,200
Aug 23, 2024204.50205.54202.13205.00205.000.83%1,127,364
Aug 22, 2024206.76206.76201.42203.32203.32-1.39%791,500
Aug 21, 2024206.25207.59204.68206.18206.180.34%601,433
Aug 20, 2024205.39206.98205.20205.49205.49-0.28%625,920
Aug 19, 2024202.47206.29202.47206.06206.062.06%793,367
Aug 16, 2024201.99203.19200.55201.91201.910.14%706,008
Aug 15, 2024202.82203.55200.52201.63201.630.52%690,447
Aug 14, 2024203.74204.05200.37200.59200.59-1.70%508,823
Aug 13, 2024201.10204.98201.10204.05204.051.50%838,600
Aug 12, 2024202.00202.98199.41201.04201.04-0.48%821,176
Aug 9, 2024203.12204.36199.86202.00202.00-1.01%586,800
Aug 8, 2024199.83204.14199.50204.07204.072.15%1,198,500
Aug 7, 2024201.52203.50198.73199.78199.78-0.17%971,300
Aug 6, 2024198.76203.90198.15200.13200.130.88%1,262,153
Aug 5, 2024204.12204.82196.90198.39198.39-3.53%1,394,343
Aug 2, 2024212.45213.50203.02205.66205.66-2.39%1,768,714
Aug 1, 2024215.80219.44206.02210.70210.70-1.17%1,892,000