EcoR1 Capital

EcoR1 Capital as of March 31, 2017

Portfolio Holdings for EcoR1 Capital

EcoR1 Capital holds 33 positions in its portfolio as reported in the March 2017 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Assembly Biosciences (ASMB) 19.0 $75M 2.9M 25.49
Ironwood Pharmaceuticals (IRWD) 12.5 $50M 2.9M 17.06
Galapagos Nv- (GLPG) 12.0 $48M 551k 86.19
Gilead Sciences Inc option 8.6 $34M 500k 67.92
Ascendis Pharma A S (ASND) 7.3 $29M 1.0M 28.00
Kura Oncology (KURA) 5.8 $23M 2.6M 8.80
Thrx 2 1/8 01/15/23 5.4 $21M 17M 1.26
Aclaris Therapeutics (ACRS) 5.1 $20M 673k 29.82
Cytomx Therapeutics (CTMX) 3.5 $14M 795k 17.27
Cascadian Therapeutics 3.1 $12M 3.0M 4.14
Fate Therapeutics (FATE) 2.9 $12M 2.5M 4.55
Atara Biotherapeutics (ATRA) 2.3 $8.9M 435k 20.55
Atyr Pharma Inc Common Stock Usd 0.001 2.0 $8.0M 2.3M 3.50
Ovascience 1.7 $6.6M 3.5M 1.87
Jounce Therapeutics 1.4 $5.7M 259k 21.99
Xencor (XNCR) 1.4 $5.6M 235k 23.92
Kindred Biosciences 1.0 $3.8M 545k 7.05
Nabriva Therapeutics 0.8 $3.2M 265k 12.00
Regulus Therapeutics 0.6 $2.5M 1.5M 1.65
Adverum Biotechnologies (ADVM) 0.6 $2.4M 874k 2.70
Versartis 0.5 $2.1M 100k 21.35
Viveve Med 0.4 $1.6M 250k 6.33
Agios Pharmaceuticals (AGIO) 0.3 $1.4M 23k 58.41
Dicerna Pharmaceuticals 0.3 $1.3M 382k 3.40
Fibrogen (FGEN) 0.3 $1.0M 42k 24.66
Syros Pharmaceuticals 0.3 $1.0M 64k 15.93
Bristol Myers Squibb (BMY) 0.2 $928k 17k 54.40
Chemocentryx 0.2 $859k 118k 7.28
Syndax Pharmaceuticals (SNDX) 0.1 $484k 35k 13.71
Cascadian Therapeutics 0.1 $430k 104k 4.14
Orexigen Therapeutics 0.1 $405k 118k 3.44
Wave Life Sciences (WVE) 0.1 $275k 10k 27.50
Forward Pharma A/s 0.0 $108k 5.0k 21.49