Nope, you are double counting some of those shares:
January 15, 2010 4:27 PM EST
In a 13G filing after the close on Dendreon (Nasdaq: DNDN), Steven Cohen's S.A.C. Capital disclosed a 5.5%, or 7,282,030 share, stake in the biotech company. The firm held just 150,000 shares of DNDN at the quarter ended September 30, 2009. A 13G indicates a passive investment above 5%.
Dendreon is expected to be given approval for prostate cancer treatment Provenge which is expected to be blockbuster therapy for this indication and maybe others.