Ridgeback Capital Investments as of March 31, 2011
Portfolio Holdings for Ridgeback Capital Investments
Ridgeback Capital Investments holds 9 positions in its portfolio as reported in the March 2011 quarterly 13F filing
| Company (Ticker) | Portfolio Weight | Valued At | Change in Shares | Share Count | Share Price |
|---|---|---|---|---|---|
| Ironwood Pharmaceuticals (IRWD) | 23.6 | $145M | 10M | 13.98 | |
| Pharmasset | 14.2 | $87M | 1.1M | 78.71 | |
| Regeneron Pharmaceuticals (REGN) | 13.9 | $85M | 1.9M | 44.94 | |
| Medicines Company | 12.7 | $78M | 4.8M | 16.29 | |
| BioMarin Pharmaceutical (BMRN) | 9.8 | $60M | 2.4M | 25.13 | |
| Onyx Pharmaceuticals | 9.3 | $57M | 1.6M | 35.18 | |
| Amgen (AMGN) | 8.3 | $51M | 950k | 53.45 | |
| InterMune | 7.7 | $47M | 1.0M | 47.19 | |
| Ym Biosciences | 0.6 | $3.4M | 1.3M | 2.64 |
