RA Capital Management

RA Capital Management as of March 31, 2012

Portfolio Holdings for RA Capital Management

RA Capital Management holds 27 positions in its portfolio as reported in the March 2012 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Sequenom 11.0 $23M 5.5M 4.07
ArthroCare Corporation 8.9 $18M 683k 26.85
Pozen 8.6 $18M 2.9M 6.00
XOMA CORP Common equity shares 7.3 $15M 5.4M 2.77
BioCryst Pharmaceuticals (BCRX) 7.2 $15M 3.0M 4.83
Vanda Pharmaceuticals (VNDA) 6.0 $12M 2.6M 4.79
Dyax 5.9 $12M 7.7M 1.56
ACADIA Pharmaceuticals (ACAD) 5.5 $11M 5.3M 2.15
Derma Sciences 4.9 $10M 1.0M 9.62
OncoGenex Pharmaceuticals 4.8 $9.9M 745k 13.29
Neurocrine Biosciences (NBIX) 3.3 $6.8M 850k 7.97
Vivus 3.3 $6.7M 300k 22.36
Verastem 3.2 $6.6M 606k 10.93
Synageva Biopharma 3.2 $6.5M 182k 35.87
INC Ventrus Biosciences 2.6 $5.3M 535k 9.97
Anacor Pharmaceuticals In 2.3 $4.7M 801k 5.89
Ym Biosciences 2.1 $4.3M 2.3M 1.86
Sangamo Biosciences (SGMO) 1.7 $3.5M 706k 4.90
Ardea Biosciences 1.6 $3.3M 150k 21.76
Uroplasty 1.5 $3.1M 1.0M 3.01
Repros Therapeutics 1.4 $2.8M 667k 4.23
Alnylam Pharmaceuticals (ALNY) 1.4 $2.8M 250k 11.07
Newlink Genetics Corporation 1.3 $2.6M 289k 9.15
Array BioPharma 0.7 $1.5M 440k 3.40
Pain Therapeutics 0.2 $424k 117k 3.62
Novavax 0.2 $378k 300k 1.26
Coronado Biosciences Inc. Common 0.2 $353k 42k 8.47