Ridgeback Capital Investments

Ridgeback Capital Investments as of Dec. 31, 2010

Portfolio Holdings for Ridgeback Capital Investments

Ridgeback Capital Investments holds 10 positions in its portfolio as reported in the December 2010 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Onyx Pharmaceuticals 19.8 $70M 1.9M 36.87
Medicines Company 19.3 $68M 4.8M 14.13
BioMarin Pharmaceutical (BMRN) 14.7 $52M 1.9M 26.93
King Pharmaceuticals 12.4 $44M 3.1M 14.05
GlaxoSmithKline 10.1 $36M 906k 39.22
Pharmasset 8.8 $31M 716k 43.56
Beckman Coulter 7.5 $26M 351k 75.23
InterMune 4.1 $15M 400k 36.40
Regeneron Pharmaceuticals (REGN) 2.1 $7.3M 223k 32.83
Ym Biosciences 1.2 $4.4M 1.9M 2.33