On December 31, 2015, Biogen (BIIB) had a market capitalization of $67.6B, based on 220.8M shares at a price of $306.35.
| DATE | CLOSE | VOLUME | OUTSTANDING | MARKET CAP |
|---|---|---|---|---|
December 2015 | $306.35 | 33,031,700 | 220,800,000 | $67,642,080,000.00 |
November 2015 | $286.86 | 37,004,500 | 220,800,000 | $63,338,688,000.00 |
October 2015 | $290.51 | 82,718,000 | 220,800,000 | $64,144,608,000.00 |
September 2015 | $291.81 | 56,790,600 | 232,600,000 | $67,875,006,000.00 |
August 2015 | $297.30 | 55,781,800 | 232,600,000 | $69,151,980,000.00 |
July 2015 | $318.78 | 67,088,900 | 232,600,000 | $74,148,228,000.00 |
June 2015 | $403.94 | 28,664,200 | 235,700,000 | $95,208,658,000.00 |
May 2015 | $396.99 | 26,965,100 | 235,700,000 | $93,570,543,000.00 |
April 2015 | $373.93 | 45,438,800 | 235,700,000 | $88,135,301,000.00 |
March 2015 | $422.24 | 52,474,600 | 235,630,000 | $99,492,411,200.00 |
February 2015 | $409.59 | 26,301,100 | 235,630,000 | $96,511,691,700.00 |
January 2015 | $389.16 | 39,420,300 | 235,630,000 | $91,697,770,800.00 |
December 2014 | $339.45 | 44,112,900 | 236,292,000 | $80,209,319,400.00 |
November 2014 | $307.69 | 26,192,100 | 236,292,000 | $72,704,685,480.00 |
October 2014 | $321.08 | 39,377,500 | 236,292,000 | $75,868,635,360.00 |
September 2014 | $330.81 | 22,151,600 | 236,972,000 | $78,392,707,320.00 |
August 2014 | $343.04 | 20,935,300 | 236,972,000 | $81,290,874,880.00 |
July 2014 | $334.39 | 28,967,400 | 236,972,000 | $79,241,067,080.00 |
June 2014 | $315.31 | 20,471,700 | 237,401,000 | $74,854,909,310.00 |
May 2014 | $319.37 | 25,217,700 | 237,401,000 | $75,818,757,370.00 |
April 2014 | $287.12 | 41,953,100 | 237,401,000 | $68,162,575,120.00 |
March 2014 | $305.87 | 40,173,600 | 237,849,000 | $72,750,873,630.00 |
February 2014 | $340.68 | 27,912,100 | 237,849,000 | $81,030,397,320.00 |
January 2014 | $312.64 | 31,039,900 | 237,849,000 | $74,361,111,360.00 |
December 2013 | $279.57 | 23,680,600 | 237,627,000 | $66,433,380,390.00 |