Sorry, available market cap data for Biogen (BIIB) starts on January 2, 2009. Biogen (BIIB) has a market capitalization of $33.7B, based on 145.6M shares at a price of $231.69 (down 0.4% on Friday).

biogen market cap 1994
DATE OPEN HIGH LOW CLOSE VOLUME
December 30 1994 $0.33 $0.35 $0.33 $0.33 400,200
December 29 1994 $0.33 $0.35 $0.33 $0.33 390,600
December 28 1994 $0.33 $0.35 $0.33 $0.33 319,200
December 27 1994 $0.35 $0.36 $0.33 $0.34 453,000
December 23 1994 $0.35 $0.38 $0.35 $0.35 86,400
December 22 1994 $0.33 $0.36 $0.33 $0.35 329,400
December 21 1994 $0.35 $0.35 $0.33 $0.34 721,200
December 20 1994 $0.33 $0.35 $0.33 $0.33 124,200
December 19 1994 $0.33 $0.35 $0.33 $0.35 29,400
December 16 1994 $0.33 $0.35 $0.33 $0.33 210,600
December 15 1994 $0.33 $0.36 $0.33 $0.35 378,600
December 14 1994 $0.38 $0.38 $0.33 $0.35 232,200
December 13 1994 $0.35 $0.38 $0.35 $0.35 130,800
December 12 1994 $0.35 $0.38 $0.35 $0.35 51,600
December 09 1994 $0.36 $0.38 $0.35 $0.35 436,800
December 08 1994 $0.36 $0.38 $0.36 $0.36 259,800
December 07 1994 $0.36 $0.38 $0.36 $0.38 137,400
December 06 1994 $0.38 $0.40 $0.36 $0.36 94,200
December 05 1994 $0.38 $0.40 $0.38 $0.38 106,200
December 02 1994 $0.38 $0.40 $0.38 $0.38 92,400
December 01 1994 $0.38 $0.40 $0.38 $0.40 93,600
November 30 1994 $0.38 $0.40 $0.38 $0.38 79,800
November 29 1994 $0.38 $0.40 $0.38 $0.38 81,000
November 28 1994 $0.38 $0.38 $0.38 $0.38 16,200
November 23 1994 $0.38 $0.40 $0.38 $0.39 225,600
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