RA Capital Management

Ra Capital Management as of Dec. 31, 2013

Portfolio Holdings for Ra Capital Management

Ra Capital Management holds 27 positions in its portfolio as reported in the December 2013 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
ACADIA Pharmaceuticals (ACAD) 18.7 $160M 6.4M 24.99
Sangamo Biosciences (SGMO) 13.3 $114M 8.2M 13.89
Achillion Pharmaceuticals 10.2 $88M 26M 3.32
Therapeuticsmd 7.1 $61M 12M 5.21
Novavax 6.5 $55M 11M 5.12
Ophthotech 6.0 $52M 1.6M 32.35
Prothena (PRTA) 5.1 $44M 1.6M 26.52
Dynavax Technologies Corporation 4.1 $35M 18M 1.96
BioCryst Pharmaceuticals (BCRX) 3.9 $33M 4.3M 7.60
Xencor (XNCR) 2.9 $25M 2.7M 9.14
Sunesis Pharmaceuticals 2.7 $23M 4.9M 4.74
Arrowhead Research 2.6 $22M 2.0M 10.85
Derma Sciences 2.5 $22M 2.0M 10.82
Tesaro 2.3 $20M 700k 28.24
Dyax 1.9 $16M 2.1M 7.53
Ptc Therapeutics I (PTCT) 1.5 $13M 752k 16.97
Newlink Genetics Corporation 1.3 $11M 500k 22.01
Mirati Therapeutics (MRTX) 1.3 $11M 657k 16.63
Rockwell Medical Technologies 1.2 $10M 1.0M 10.44
Bluebird Bio (BLUE) 1.1 $9.8M 467k 20.98
Ocera Therapeutics 1.0 $8.6M 662k 12.99
Enzo Biochem (ENZ) 0.8 $6.6M 2.3M 2.92
Macrogenics (MGNX) 0.6 $5.5M 199k 27.43
pSivida 0.6 $4.7M 1.2M 3.97
Mei Pharma 0.4 $3.3M 408k 8.01
Chelsea Therapeutics International 0.3 $3.0M 667k 4.44
Coronado Biosciences Inc. Common 0.3 $2.6M 1.0M 2.63