Ridgeback Capital Investments

Ridgeback Capital Investments as of Sept. 30, 2012

Portfolio Holdings for Ridgeback Capital Investments

Ridgeback Capital Investments holds 18 positions in its portfolio as reported in the September 2012 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Medicines Company 15.8 $27M 1.1M 25.81
Ironwood Pharmaceuticals (IRWD) 15.6 $27M 2.1M 12.78
Ariad Pharmaceuticals 14.1 $24M 1.0M 24.21
Celldex Therapeutics 10.5 $18M 2.9M 6.30
Gilead Sciences (GILD) 9.7 $17M 250k 66.33
Santarus 8.4 $15M 1.6M 8.88
Array BioPharma 6.5 $11M 1.9M 5.84
Sunesis Pharmaceuticals 5.4 $9.2M 1.6M 5.63
Clovis Oncology 4.1 $7.1M 346k 20.45
Onyx Pharmaceuticals 3.9 $6.7M 79k 84.50
Regeneron Pharmaceuticals (REGN) 1.8 $3.1M 20k 152.64
Sangamo Biosciences (SGMO) 1.3 $2.3M 376k 6.08
Dynavax Technologies Corporation 1.0 $1.7M 353k 4.76
Hyperion Therapeutics 0.7 $1.2M 115k 10.63
XenoPort 0.6 $1.1M 95k 11.45
Biolinerx Ltd-spons 0.3 $498k 190k 2.63
DUSA Pharmaceuticals 0.2 $388k 57k 6.78
Lexicon Pharmaceuticals 0.1 $232k 100k 2.32