EcoR1 Capital

EcoR1 Capital as of Dec. 31, 2017

Portfolio Holdings for EcoR1 Capital

EcoR1 Capital holds 30 positions in its portfolio as reported in the December 2017 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Assembly Biosciences (ASMB) 15.0 $133M 2.9M 45.25
Fibrogen (FGEN) 10.9 $97M 2.0M 47.40
Celgene Corp option 10.3 $91M 875k 104.36
Ironwood Pharmaceuticals (IRWD) 9.9 $88M 5.9M 14.99
Ascendis Pharma A S (ASND) 9.5 $84M 2.1M 40.06
Kura Oncology (KURA) 6.5 $58M 3.8M 15.30
Dicerna Pharmaceuticals 4.9 $44M 4.8M 9.03
Array BioPharma 4.2 $37M 2.9M 12.80
Wave Life Sciences (WVE) 3.7 $33M 936k 35.10
Myokardia 3.7 $33M 778k 42.10
Apellis Pharmaceuticals (APLS) 2.8 $25M 1.1M 21.70
Spark Therapeutics Inc call 2.6 $23M 456k 51.42
Macrogenics (MGNX) 2.4 $22M 1.1M 19.00
Rhythm Pharmaceuticals (RYTM) 1.7 $15M 530k 29.06
Immune Design 1.6 $14M 3.6M 3.90
Atyr Pharma Inc Common Stock Usd 0.001 1.5 $14M 3.9M 3.50
Fibrogen 1.5 $14M 285k 47.40
Galapagos Nv- (GLPG) 1.2 $10M 110k 93.76
Beigene (BGNE) 0.9 $8.2M 84k 97.72
Ironwood Pharmaceuticals Inc cl a 0.8 $7.5M 500k 14.99
Corvus Pharmaceuticals (CRVS) 0.7 $6.1M 588k 10.36
Achillion Pharmaceuticals 0.6 $5.3M 1.8M 2.88
Kindred Biosciences 0.6 $5.1M 545k 9.45
Uniqure Nv call 0.6 $5.2M 264k 19.59
Clementia 0.4 $3.7M 194k 18.98
Madrigal Pharmaceuticals (MDGL) 0.4 $3.2M 35k 91.80
Denali Therapeutics (DNLI) 0.3 $3.1M 200k 15.64
Xencor (XNCR) 0.3 $2.5M 113k 21.92
Mirati Therapeutics (MRTX) 0.2 $1.9M 103k 18.25
Intellia Therapeutics Inc call 0.2 $1.4M 75k 19.23