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Stock Price

$250.69

Current · As of: Oct 24, 2026

BIIB Stock Price

Latest$250.69as ofOct 24, 2026

Latest$250.69as ofOct 24, 2026

BIIB Close Price · excl. div ($3.08 → $250.69 · CAGR +13.4%)

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BIIB stock price history

Daily history. Dates identify market observations.

Biogen Stock Price — Daily history
Date	Stock Price
May 3, 2013	219
Apr 26, 2013	214
Apr 19, 2013	203
Apr 12, 2013	207
Apr 5, 2013	193
Mar 28, 2013	193
Mar 22, 2013	178
Mar 15, 2013	177
Mar 8, 2013	172
Mar 1, 2013	169
Feb 22, 2013	164
Feb 15, 2013	169
Feb 8, 2013	164
Feb 1, 2013	157
Jan 25, 2013	146
Jan 18, 2013	144
Jan 11, 2013	144
Jan 4, 2013	146
Dec 28, 2012	146
Dec 21, 2012	150
Dec 14, 2012	151
Dec 7, 2012	151
Nov 30, 2012	149
Nov 23, 2012	150
Nov 16, 2012	141
Nov 9, 2012	138
Nov 2, 2012	138
Oct 26, 2012	143
Oct 19, 2012	146
Oct 12, 2012	147
Oct 5, 2012	153
Sep 28, 2012	149
Sep 21, 2012	155
Sep 14, 2012	154
Sep 7, 2012	153
Aug 31, 2012	147
Aug 24, 2012	147
Aug 17, 2012	145
Aug 10, 2012	146
Aug 3, 2012	145
Jul 27, 2012	149
Jul 20, 2012	142
Jul 13, 2012	145
Jul 6, 2012	142
Jun 29, 2012	144
Jun 22, 2012	142
Jun 15, 2012	140
Jun 8, 2012	134
Jun 1, 2012	127
May 25, 2012	132
May 18, 2012	132
May 11, 2012	137
May 4, 2012	131
Apr 27, 2012	133
Apr 20, 2012	127
Apr 13, 2012	125
Apr 5, 2012	129
Mar 30, 2012	126
Mar 23, 2012	121
Mar 16, 2012	120
Mar 9, 2012	121
Mar 2, 2012	119
Feb 24, 2012	116
Feb 17, 2012	116
Feb 10, 2012	118
Feb 3, 2012	122
Jan 27, 2012	119
Jan 20, 2012	118
Jan 13, 2012	116
Jan 6, 2012	116
Dec 30, 2011	110
Dec 23, 2011	111
Dec 16, 2011	110
Dec 9, 2011	113
Dec 2, 2011	113
Nov 25, 2011	109
Nov 18, 2011	108
Nov 11, 2011	113
Nov 4, 2011	113
Oct 28, 2011	119
Oct 21, 2011	109
Oct 14, 2011	103
Oct 7, 2011	100
Sep 30, 2011	93
Sep 23, 2011	94
Sep 16, 2011	101
Sep 9, 2011	90
Sep 2, 2011	92
Aug 26, 2011	92
Aug 19, 2011	90
Aug 12, 2011	91
Aug 5, 2011	93
Jul 29, 2011	102
Jul 22, 2011	106
Jul 15, 2011	104
Jul 8, 2011	107
Jul 1, 2011	109
Jun 24, 2011	103
Jun 17, 2011	95
Jun 10, 2011	91

Data is provided for informational purposes only and does not constitute investment advice. Past performance is not indicative of future results.