RA Capital Management

RA Capital Management as of Dec. 31, 2012

Portfolio Holdings for RA Capital Management

RA Capital Management holds 25 positions in its portfolio as reported in the December 2012 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
ACADIA Pharmaceuticals (ACAD) 14.7 $38M 8.1M 4.65
Dyax 11.6 $30M 8.6M 3.48
Sangamo Biosciences (SGMO) 8.9 $23M 3.8M 6.01
Achillion Pharmaceuticals 8.4 $22M 2.7M 8.01
Sunesis Pharmaceuticals 8.0 $20M 4.9M 4.20
Derma Sciences 6.8 $18M 1.6M 11.11
Insmed (INSM) 6.4 $16M 2.4M 6.69
XOMA CORP Common equity shares 6.1 $16M 6.5M 2.40
ArthroCare Corporation 5.2 $13M 388k 34.59
OncoGenex Pharmaceuticals 4.6 $12M 894k 13.12
Coronado Biosciences Inc. Common 3.1 $7.8M 1.7M 4.51
Illumina (ILMN) 2.6 $6.7M 120k 55.59
Senomyx 2.6 $6.7M 4.0M 1.68
Chemocentryx 2.4 $6.1M 556k 10.94
Cytori Therapeutics 2.3 $5.9M 2.1M 2.80
Mei Pharma 1.6 $4.1M 587k 7.00
INC Ventrus Biosciences 1.1 $2.7M 1.3M 2.16
ArQule 1.0 $2.6M 928k 2.79
Anacor Pharmaceuticals In 0.8 $2.2M 421k 5.20
Antares Pharma 0.8 $2.1M 541k 3.81
Newlink Genetics Corporation 0.5 $1.2M 97k 12.50
Synergy Pharmaceuticals 0.3 $838k 159k 5.26
Novavax 0.1 $189k 100k 1.89
Savient Pharmaceuticals note 0.1 $180k 1.0M 0.18
D Tranzyme 0.0 $114k 211k 0.54