On December 31, 2009, Biogen (BIIB) had a market capitalization of $14.6B, based on 272.7M shares at a price of $53.50.
| DATE | CLOSE | VOLUME | OUTSTANDING | MARKET CAP |
|---|---|---|---|---|
December 31 2009 | $53.50 | 1,680,400 | 272,703,000 | $14,589,610,500.00 |
December 30 2009 | $53.70 | 1,861,000 | 272,703,000 | $14,644,151,100.00 |
December 29 2009 | $53.40 | 2,020,000 | 272,703,000 | $14,562,340,200.00 |
December 28 2009 | $53.27 | 2,181,900 | 272,703,000 | $14,526,888,810.00 |
December 24 2009 | $52.24 | 630,900 | 272,703,000 | $14,246,004,720.00 |
December 23 2009 | $52.16 | 3,345,000 | 272,703,000 | $14,224,188,480.00 |
December 22 2009 | $52.32 | 4,175,900 | 272,703,000 | $14,267,820,960.00 |
December 21 2009 | $51.09 | 3,636,100 | 272,703,000 | $13,932,396,270.00 |
December 18 2009 | $50.07 | 6,382,400 | 272,703,000 | $13,654,239,210.00 |
December 17 2009 | $49.45 | 3,977,200 | 272,703,000 | $13,485,163,350.00 |
December 16 2009 | $50.25 | 4,815,200 | 272,703,000 | $13,703,325,750.00 |
December 15 2009 | $49.43 | 3,072,800 | 272,703,000 | $13,479,709,290.00 |
December 14 2009 | $48.87 | 2,715,400 | 272,703,000 | $13,326,995,610.00 |
December 11 2009 | $48.65 | 2,581,500 | 272,703,000 | $13,267,000,950.00 |
December 10 2009 | $48.26 | 2,182,800 | 272,703,000 | $13,160,646,780.00 |
December 09 2009 | $48.17 | 2,942,600 | 272,703,000 | $13,136,103,510.00 |
December 08 2009 | $48.06 | 2,831,400 | 272,703,000 | $13,106,106,180.00 |
December 07 2009 | $48.30 | 2,471,600 | 272,703,000 | $13,171,554,900.00 |
December 04 2009 | $48.18 | 2,882,900 | 272,703,000 | $13,138,830,540.00 |
December 03 2009 | $47.38 | 2,436,800 | 272,703,000 | $12,920,668,140.00 |
December 02 2009 | $47.74 | 2,629,800 | 272,703,000 | $13,018,841,220.00 |
December 01 2009 | $47.84 | 2,296,700 | 272,703,000 | $13,046,111,520.00 |
November 30 2009 | $46.94 | 3,450,600 | 272,703,000 | $12,800,678,820.00 |
November 27 2009 | $46.92 | 1,476,200 | 272,703,000 | $12,795,224,760.00 |
November 25 2009 | $47.45 | 1,477,700 | 272,703,000 | $12,939,757,350.00 |
