EcoR1 Capital

EcoR1 Capital as of Dec. 31, 2016

Portfolio Holdings for EcoR1 Capital

EcoR1 Capital holds 30 positions in its portfolio as reported in the December 2016 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Ironwood Pharmaceuticals (IRWD) 14.6 $44M 2.9M 15.29
Galapagos Nv- (GLPG) 12.0 $36M 561k 64.19
Assembly Biosciences 11.9 $36M 2.9M 12.15
Alexion Pharmaceuticals 6.6 $20M 162k 122.35
Ascendis Pharma A S (ASND) 6.6 $20M 976k 20.24
Theravance Biopharma Inc note 3.250%11/0 6.5 $19M 17M 1.14
Ardelyx (ARDX) 6.2 $18M 1.3M 14.20
Kura Oncology (KURA) 5.2 $15M 2.6M 5.90
Five Prime Therapeutics 5.0 $15M 299k 50.11
Aclaris Therapeutics (ACRS) 3.8 $11M 414k 27.14
Allergan Plc call 3.5 $11M 50k 210.02
Editas Medicine (EDIT) 3.4 $10M 627k 16.23
Xencor (XNCR) 3.3 $9.9M 375k 26.32
Chimerix (CMRX) 2.2 $6.5M 1.4M 4.60
Fastenal Co Cmn Stk cmn 2.1 $6.4M 2.5M 2.51
Atara Biotherapeutics 1.0 $3.1M 216k 14.20
Adverum Biotechnologies 0.8 $2.5M 874k 2.90
Kindred Biosciences 0.8 $2.4M 571k 4.25
Atyr Pharma Inc Common Stock Usd 0.001 0.7 $2.1M 977k 2.15
Syndax Pharmaceuticals (SNDX) 0.7 $2.0M 274k 7.17
Egalet 0.6 $1.7M 222k 7.65
Nabriva Therapeutics 0.5 $1.6M 265k 5.96
Dermira 0.4 $1.3M 43k 30.32
Agios Pharmaceuticals (AGIO) 0.3 $972k 23k 41.72
Chemocentryx 0.3 $873k 118k 7.40
Syros Pharmaceuticals 0.3 $773k 64k 12.15
Cytokinetics (CYTK) 0.2 $667k 55k 12.15
Bristol Myers Squibb (BMY) 0.2 $500k 8.6k 58.41
Biopharmx 0.2 $497k 1.3M 0.37
Cascadian Therapeutics Inc call 0.1 $447k 104k 4.31