Ridgeback Capital Investments as of Dec. 31, 2011
Portfolio Holdings for Ridgeback Capital Investments
Ridgeback Capital Investments holds 10 positions in its portfolio as reported in the December 2011 quarterly 13F filing
| Company (Ticker) | Portfolio Weight | Valued At | Change in Shares | Share Count | Share Price |
|---|---|---|---|---|---|
| Ironwood Pharmaceuticals (IRWD) | 55.6 | $83M | 7.0M | 11.97 | |
| Onyx Pharmaceuticals | 23.2 | $35M | 790k | 43.95 | |
| Medicines Company | 9.3 | $14M | 749k | 18.64 | |
| Biogen Idec (BIIB) | 6.3 | $9.5M | 86k | 110.05 | |
| Regeneron Pharmaceuticals (REGN) | 1.9 | $2.8M | 50k | 55.43 | |
| Dynavax Technologies Corporation | 1.1 | $1.7M | 500k | 3.32 | |
| Amarin Corporation (AMRN) | 1.0 | $1.5M | 200k | 7.49 | |
| Celldex Therapeutics | 0.6 | $869k | 334k | 2.60 | |
| BioMarin Pharmaceutical (BMRN) | 0.6 | $860k | 25k | 34.40 | |
| Ariad Pharmaceuticals | 0.4 | $613k | 50k | 12.26 |
