RA Capital Management

RA Capital Management as of June 30, 2012

Portfolio Holdings for RA Capital Management

RA Capital Management holds 29 positions in its portfolio as reported in the June 2012 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Achillion Pharmaceuticals 8.4 $20M 3.2M 6.20
Pozen 7.6 $18M 2.9M 6.23
Dyax 7.6 $18M 8.5M 2.13
ArthroCare Corporation 6.9 $17M 562k 29.28
Anacor Pharmaceuticals In 6.5 $16M 2.4M 6.49
Sangamo Biosciences (SGMO) 5.0 $12M 2.2M 5.52
Derma Sciences 5.0 $12M 1.3M 9.52
Vanda Pharmaceuticals (VNDA) 4.8 $11M 2.6M 4.40
Idenix Pharmaceuticals 4.1 $9.8M 949k 10.28
Synergy Pharmaceuticals 3.9 $9.4M 2.0M 4.75
XOMA CORP Common equity shares 3.8 $9.1M 3.1M 2.98
ACADIA Pharmaceuticals (ACAD) 3.7 $8.9M 5.1M 1.76
Coronado Biosciences Inc. Common 3.7 $9.0M 1.8M 5.05
OncoGenex Pharmaceuticals 3.3 $7.9M 586k 13.44
Synageva Biopharma 3.1 $7.4M 182k 40.56
Neurocrine Biosciences (NBIX) 2.7 $6.5M 823k 7.90
Ym Biosciences 2.6 $6.3M 3.2M 1.99
Sequenom 2.6 $6.1M 1.5M 4.06
BioCryst Pharmaceuticals (BCRX) 2.5 $6.0M 1.5M 3.97
Verastem 2.5 $5.9M 606k 9.69
Endocyte 2.2 $5.4M 655k 8.22
INC Ventrus Biosciences 2.2 $5.3M 1.2M 4.27
Senomyx 1.9 $4.6M 1.9M 2.35
Spectrum Pharmaceuticals 1.4 $3.3M 211k 15.56
ArQule 0.8 $1.9M 314k 5.93
MELA Sciences 0.7 $1.6M 500k 3.26
Repros Therapeutics 0.3 $705k 78k 9.09
Dynavax Technologies Corporation 0.1 $324k 75k 4.32
Savient Pharmaceuticals note 0.1 $270k 1.0M 0.27