RA Capital Management

RA Capital Management as of June 30, 2011

Portfolio Holdings for RA Capital Management

RA Capital Management holds 23 positions in its portfolio as reported in the June 2011 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
OncoGenex Pharmaceuticals 8.9 $9.0M 528k 17.03
Columbia Laboratories 8.9 $8.9M 2.9M 3.09
ACADIA Pharmaceuticals (ACAD) 8.5 $8.6M 5.3M 1.63
Inhibitex 8.4 $8.5M 2.2M 3.92
Alexza Pharmaceuticals 7.1 $7.1M 3.9M 1.82
ADVENTRX Pharmaceuticals 7.1 $7.1M 2.4M 3.01
Derma Sciences 7.1 $7.1M 772k 9.21
Pharmasset 5.6 $5.6M 50k 112.20
Affymax (AFFY) 4.2 $4.2M 617k 6.87
Furiex Pharmaceuticals 3.9 $3.9M 221k 17.79
Arthrocare Corp 3.6 $3.6M 407k 8.90
Enzo Biochem (ENZ) 3.6 $3.6M 844k 4.25
Anacor Pharmaceuticals In 3.4 $3.5M 535k 6.46
BioSpecifics Technologies 3.3 $3.4M 150k 22.40
Aegerion Pharmaceuticals 3.1 $3.2M 200k 15.75
GTx 3.0 $3.0M 625k 4.79
Gentium S.p.A. 2.3 $2.3M 238k 9.89
ImmunoGen 2.3 $2.3M 188k 12.19
Dynavax Technologies Corporation 1.5 $1.5M 564k 2.75
AVEO Pharmaceuticals 1.5 $1.5M 75k 20.61
RTI Biologics 1.4 $1.4M 504k 2.71
Nabi Biopharmaceuticals 1.0 $961k 179k 5.38
Discovery Laboratories 0.2 $253k 113k 2.25