
On December 31, 2010, Biogen (BIIB) had a market capitalization of $16.4B, based on 244.55M shares at a price of $67.05.
| DATE | CLOSE | VOLUME | OUTSTANDING | MARKET CAP |
|---|---|---|---|---|
December 31 2010 | $67.05 | 1,146,500 | 244,551,000 | $16,397,144,550.00 |
December 30 2010 | $66.80 | 1,031,400 | 244,551,000 | $16,336,006,800.00 |
December 29 2010 | $66.64 | 752,600 | 244,551,000 | $16,296,878,640.00 |
December 28 2010 | $66.64 | 866,400 | 244,551,000 | $16,296,878,640.00 |
December 27 2010 | $66.92 | 959,300 | 244,551,000 | $16,365,352,920.00 |
December 23 2010 | $67.22 | 1,228,500 | 244,551,000 | $16,438,718,220.00 |
December 22 2010 | $67.70 | 1,079,400 | 244,551,000 | $16,556,102,700.00 |
December 21 2010 | $68.22 | 1,040,000 | 244,551,000 | $16,683,269,220.00 |
December 20 2010 | $67.98 | 1,666,700 | 244,551,000 | $16,624,576,980.00 |
December 17 2010 | $68.14 | 4,457,500 | 244,551,000 | $16,663,705,140.00 |
December 16 2010 | $67.92 | 1,967,800 | 244,551,000 | $16,609,903,920.00 |
December 15 2010 | $66.06 | 2,649,500 | 244,551,000 | $16,155,039,060.00 |
December 14 2010 | $65.74 | 2,164,900 | 244,551,000 | $16,076,782,740.00 |
December 13 2010 | $65.89 | 1,793,300 | 244,551,000 | $16,113,465,390.00 |
December 10 2010 | $66.30 | 1,786,200 | 244,551,000 | $16,213,731,300.00 |
December 09 2010 | $66.37 | 2,839,100 | 244,551,000 | $16,230,849,870.00 |
December 08 2010 | $67.36 | 1,639,000 | 244,551,000 | $16,472,955,360.00 |
December 07 2010 | $67.11 | 1,722,100 | 244,551,000 | $16,411,817,610.00 |
December 06 2010 | $66.71 | 1,023,500 | 244,551,000 | $16,313,997,210.00 |
December 03 2010 | $67.00 | 1,465,300 | 244,551,000 | $16,384,917,000.00 |
December 02 2010 | $67.08 | 1,706,600 | 244,551,000 | $16,404,481,080.00 |
December 01 2010 | $65.37 | 2,421,900 | 244,551,000 | $15,986,298,870.00 |
November 30 2010 | $63.97 | 3,320,300 | 244,551,000 | $15,643,927,470.00 |
November 29 2010 | $64.72 | 1,578,200 | 244,551,000 | $15,827,340,720.00 |
November 26 2010 | $65.33 | 673,400 | 244,551,000 | $15,976,516,830.00 |