EcoR1 Capital

EcoR1 Capital as of Sept. 30, 2018

Portfolio Holdings for EcoR1 Capital

EcoR1 Capital holds 50 positions in its portfolio as reported in the September 2018 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Fibrogen (FGEN) 11.0 $123M 2.0M 60.75
Assembly Biosciences (ASMB) 9.8 $109M 2.9M 37.14
Ironwood Pharmaceuticals (IRWD) 8.6 $95M 5.1M 18.46
Ascendis Pharma A S (ASND) 6.9 $77M 1.1M 70.86
Kura Oncology (KURA) 6.2 $68M 3.9M 17.50
Scholar Rock Hldg Corp (SRRK) 5.5 $61M 2.4M 25.75
Dicerna Pharmaceuticals 5.2 $58M 3.8M 15.26
Spark Therapeutics 4.1 $46M 837k 54.55
Macrogenics (MGNX) 2.9 $32M 1.5M 21.44
Arcus Biosciences Incorporated (RCUS) 2.8 $31M 2.2M 13.94
Kezar Life Sciences (KZR) 2.5 $28M 1.3M 21.41
Akcea Therapeutics Inc equities 2.4 $26M 755k 35.02
Ultragenyx Pharmaceutical In 2.2 $25M 325k 76.34
Gilead Sciences Inc option 2.0 $23M 293k 77.21
Crispr Therapeutics (CRSP) 2.0 $22M 500k 44.35
Fibrogen 1.9 $21M 350k 60.75
Nektar Therapeutics 1.8 $20M 325k 60.96
Ultragenyx Pharmaceutical (RARE) 1.8 $19M 254k 76.34
Magenta Therapeutics 1.7 $19M 1.5M 12.01
Ascendis Pharma A S call 1.6 $18M 257k 70.86
Celgene Corp option 1.6 $18M 200k 89.49
Unity Biotechnology 1.4 $16M 967k 16.29
Surface Oncology 1.3 $15M 1.4M 10.94
Rubius Therapeutics 1.3 $14M 592k 24.00
Eiger Biopharmaceuticals (EIGR) 1.1 $13M 1.0M 12.00
Arbutus Biopharma (ABUS) 1.1 $12M 1.2M 9.45
Ironwood Pharmaceuticals Inc cl a 0.9 $11M 568k 18.46
Spero Therapeutics (SPRO) 0.8 $9.4M 893k 10.51
Immune Design 0.7 $7.7M 2.2M 3.45
Zai Lab (ZLAB) 0.6 $6.8M 350k 19.48
Aquinox Pharmaceuticals 0.6 $6.6M 2.3M 2.93
Elanco Animal Health (ELAN) 0.6 $6.6M 190k 34.89
Sangamo Biosciences (SGMO) 0.5 $5.8M 343k 16.95
Achillion Pharmaceuticals 0.5 $5.8M 1.6M 3.68
Assembly Biosciences Inc call 0.5 $5.5M 148k 37.14
Kadmon Hldgs 0.5 $4.9M 1.5M 3.34
Mersana Therapeutics (MRSN) 0.5 $5.0M 496k 10.00
Ionis Pharmaceuticals (IONS) 0.3 $3.7M 72k 51.59
Onconova Therapeutics 0.3 $3.7M 500k 7.34
Avrobio Ord (AVRO) 0.3 $3.6M 69k 51.87
Jounce Therapeutics Inc call 0.3 $3.2M 497k 6.50
Corvus Pharmaceuticals (CRVS) 0.3 $3.0M 351k 8.58
Wave Life Sciences (WVE) 0.2 $2.2M 45k 50.00
Constellation Pharmceticls I 0.2 $1.9M 280k 6.73
Forty Seven 0.1 $1.5M 99k 14.92
Chiasma 0.1 $1.4M 380k 3.60
Infinity Pharmaceuticals (INFIQ) 0.1 $1.3M 462k 2.71
Aptinyx 0.1 $1.2M 41k 28.95
Arvinas Ord (ARVN) 0.1 $844k 50k 16.88
Erytech Pharma Sa 0.1 $590k 70k 8.48