On December 31, 2009, Regeneron Pharmaceuticals (REGN) had a market capitalization of $1.9B, based on 81.17M shares at a price of $23.98.
| DATE | CLOSE | VOLUME | OUTSTANDING | MARKET CAP |
|---|---|---|---|---|
December 31 2009 | $23.98 | 628,900 | 81,169,000 | $1,946,586,841.10 |
December 30 2009 | $24.54 | 521,900 | 81,169,000 | $1,991,668,103.70 |
December 29 2009 | $24.23 | 522,700 | 81,169,000 | $1,966,716,753.10 |
December 28 2009 | $24.20 | 701,600 | 81,169,000 | $1,964,297,916.90 |
December 24 2009 | $23.01 | 227,700 | 81,169,000 | $1,867,698,690.00 |
December 23 2009 | $22.78 | 391,900 | 81,169,000 | $1,849,175,924.20 |
December 22 2009 | $22.34 | 597,200 | 81,169,000 | $1,812,950,199.50 |
December 21 2009 | $21.77 | 500,300 | 81,169,000 | $1,767,065,363.80 |
December 18 2009 | $21.23 | 1,762,300 | 81,169,000 | $1,723,591,247.40 |
December 17 2009 | $20.48 | 457,900 | 81,169,000 | $1,662,406,055.20 |
December 16 2009 | $20.61 | 624,800 | 81,169,000 | $1,672,876,856.20 |
December 15 2009 | $20.05 | 682,600 | 81,169,000 | $1,627,795,593.60 |
December 14 2009 | $19.39 | 498,600 | 81,169,000 | $1,573,858,793.10 |
December 11 2009 | $18.80 | 531,100 | 81,169,000 | $1,526,358,694.30 |
December 10 2009 | $18.60 | 354,900 | 81,169,000 | $1,509,451,191.60 |
December 09 2009 | $18.83 | 184,700 | 81,169,000 | $1,528,769,413.60 |
December 08 2009 | $18.77 | 609,200 | 81,169,000 | $1,523,939,858.10 |
December 07 2009 | $19.07 | 602,400 | 81,169,000 | $1,548,095,752.50 |
December 04 2009 | $19.16 | 368,700 | 81,169,000 | $1,555,336,027.30 |
December 03 2009 | $18.84 | 282,300 | 81,169,000 | $1,529,581,103.60 |
December 02 2009 | $19.13 | 585,800 | 81,169,000 | $1,552,925,308.00 |
December 01 2009 | $18.78 | 1,211,700 | 81,169,000 | $1,524,743,431.20 |
November 30 2009 | $18.20 | 521,800 | 81,169,000 | $1,477,251,449.30 |
November 27 2009 | $17.94 | 199,800 | 81,169,000 | $1,456,317,964.20 |
November 25 2009 | $18.19 | 353,100 | 81,169,000 | $1,476,447,876.20 |