EcoR1 Capital

EcoR1 Capital as of Dec. 31, 2015

Portfolio Holdings for EcoR1 Capital

EcoR1 Capital holds 31 positions in its portfolio as reported in the December 2015 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Fibrogen (FGEN) 11.6 $37M 1.2M 30.47
Five Prime Therapeutics 9.4 $30M 719k 41.50
Jazz Pharmaceuticals Plc cmn 8.3 $27M 189k 140.56
Retrophin 7.4 $24M 1.2M 19.29
Array Biopharma Inc note 3.000% 6/0 6.8 $22M 23k 960.02
Kura Oncology (KURA) 6.5 $21M 2.5M 8.40
Assembly Biosciences 5.0 $16M 2.1M 7.51
Cytokinetics (CYTK) 4.7 $15M 1.4M 10.46
VALEANT PHARMACEUTICALS Inte call 4.0 $13M 127k 101.65
Collegium Pharmaceutical Inc Common Stock Usd (COLL) 4.0 $13M 465k 27.50
Epizyme 3.5 $11M 699k 16.02
Galapagos Nv- (GLPG) 3.3 $11M 167k 62.88
Kite Pharma 3.2 $10M 166k 61.62
Flex Pharma 3.1 $9.9M 795k 12.45
Ironwood Pharmaceuticals (IRWD) 3.0 $9.5M 822k 11.59
Nabriva Therapeutics 2.5 $7.9M 839k 9.46
Atyr Pharma Inc Common Stock Usd 0.001 2.4 $7.8M 791k 9.83
Kindred Biosciences 1.5 $4.9M 1.4M 3.40
Retrophin 1.5 $4.7M 244k 19.29
Celladon 1.3 $4.2M 2.8M 1.47
Ovascience 1.3 $4.2M 425k 9.77
Genvec 1.1 $3.5M 1.9M 1.84
Calithera Biosciences 1.0 $3.2M 416k 7.66
Cytokinetics 0.9 $3.0M 285k 10.46
Zafgen 0.7 $2.3M 369k 6.29
Forward Pharma A/s 0.6 $1.9M 100k 19.00
Akari Therapeutics 0.5 $1.5M 101k 14.50
Gilead Sciences Inc option 0.4 $1.2M 12k 101.19
Nephrogenex 0.3 $941k 588k 1.60
Qlt 0.1 $266k 100k 2.66
Zafgen 0.0 $63k 10k 6.30