On September 30, 1998, Biogen (BIIB) had a market capitalization of $3.6B, based on 902.4M shares at a price of $3.96.
| DATE | CLOSE | VOLUME | OUTSTANDING | MARKET CAP |
|---|---|---|---|---|
September 30 1998 | $3.96 | 1,456,200 | 902,400,000 | $3,571,969,920.00 |
September 29 1998 | $3.88 | 3,160,800 | 902,400,000 | $3,496,800,000.00 |
September 28 1998 | $4.10 | 3,090,000 | 902,400,000 | $3,703,630,080.00 |
September 25 1998 | $4.63 | 2,301,000 | 902,400,000 | $4,173,600,000.00 |
September 24 1998 | $4.61 | 2,062,200 | 902,400,000 | $4,164,215,040.00 |
September 23 1998 | $4.65 | 3,871,200 | 902,400,000 | $4,192,369,920.00 |
September 22 1998 | $4.65 | 4,436,400 | 902,400,000 | $4,192,369,920.00 |
September 21 1998 | $4.13 | 915,600 | 902,400,000 | $3,722,400,000.00 |
September 18 1998 | $4.19 | 489,000 | 902,400,000 | $3,778,800,000.00 |
September 17 1998 | $4.13 | 877,800 | 902,400,000 | $3,722,400,000.00 |
September 16 1998 | $4.29 | 1,104,600 | 902,400,000 | $3,872,830,080.00 |
September 15 1998 | $4.25 | 1,977,600 | 902,400,000 | $3,835,200,000.00 |
September 14 1998 | $4.02 | 2,236,800 | 902,400,000 | $3,628,369,920.00 |
September 11 1998 | $4.08 | 3,238,800 | 902,400,000 | $3,684,769,920.00 |
September 10 1998 | $3.81 | 1,720,800 | 902,400,000 | $3,440,400,000.00 |
September 09 1998 | $3.94 | 1,288,200 | 902,400,000 | $3,553,200,000.00 |
September 08 1998 | $4.00 | 2,130,000 | 902,400,000 | $3,609,600,000.00 |
September 04 1998 | $3.60 | 1,726,800 | 902,400,000 | $3,252,430,080.00 |
September 03 1998 | $3.63 | 4,180,200 | 902,400,000 | $3,271,200,000.00 |
September 02 1998 | $3.34 | 6,970,200 | 902,400,000 | $3,017,445,120.00 |
September 01 1998 | $2.92 | 3,354,600 | 902,400,000 | $2,632,030,080.00 |
