EcoR1 Capital, LLC Quant / Systematic

CIK: 0001587114 · Show all filings

Period: Q3 2018 (← Previous) (Next →)

Filing Date: Nov 14, 2018

Total Value ($000): $1,110,045 (100.0% shares, 0.0% debt)

Holdings (50)

FIBROGEN INC 11.0%
Value ($000) $122,548 Shares 2,017,250 Est. Cost $36.02 Unrealized
ASSEMBLY BIOSCIENCES INC 9.8%
Value ($000) $109,309 Shares 2,943,164 Est. Cost $8.38 Unrealized
IRWD IRONWOOD PHARMACEUTICALS INC 8.6%
Value ($000) $94,914 Shares 5,141,624 Est. Cost $11.88 Unrealized +33.1%
ASND ASCENDIS PHARMA A S 6.9%
Value ($000) $77,043 Shares 1,087,257 Est. Cost $26.79 Unrealized
KURA KURA ONCOLOGY INC 6.2%
Value ($000) $68,302 Shares 3,902,975 Est. Cost $10.03 Unrealized +91.1%
SRRK SCHOLAR ROCK HOLDING CORP 5.5%
Value ($000) $60,960 Shares 2,367,378 Est. Cost $18.88 Unrealized -2.7%
DICERNA PHARMACEUTICALS INC 5.2%
Value ($000) $58,024 Shares 3,802,327 Est. Cost $9.60 Unrealized
SPARK THERAPEUTICS INC 4.1%
Value ($000) $45,661 Shares 837,048 Est. Cost $54.55 Unrealized
MGNX MACROGENICS INC 2.9%
Value ($000) $31,754 Shares 1,481,086 Est. Cost $19.90 Unrealized +7.1%
RCUS ARCUS BIOSCIENCES INC 2.8%
Value ($000) $31,175 Shares 2,236,387 Est. Cost $16.66 Unrealized -23.4%
KEZAR LIFE SCIENCES INC 2.5%
Value ($000) $27,580 Shares 1,288,198 Est. Cost $17.35 Unrealized
AKCEA THERAPEUTICS INC 2.4%
Value ($000) $26,444 Shares 755,120 Est. Cost $35.02 Unrealized
ULTRAGENYX PHARMACEUTICAL 2.2%
Value ($000) $24,811 Shares 325,000 Est. Cost Unrealized
GILEAD SCIENCES INC 2.0%
Value ($000) $22,592 Shares 292,600 Est. Cost Unrealized
CRSP CRISPR THERAPEUTICS AG 2.0%
Value ($000) $22,175 Shares 500,000 Est. Cost $52.37 Unrealized 0.0%
FIBROGEN INC 1.9%
Value ($000) $21,263 Shares 350,000 Est. Cost Unrealized
NEKTAR THERAPEUTICS 1.8%
Value ($000) $19,812 Shares 325,000 Est. Cost Unrealized
RARE ULTRAGENYX PHARMACEUTICAL INC 1.7%
Value ($000) $19,390 Shares 254,000 Est. Cost $81.34 Unrealized 0.0%
MAGENTA THERAPEUTICS INC 1.7%
Value ($000) $18,472 Shares 1,538,088 Est. Cost $13.50 Unrealized
ASCENDIS PHARMA A S 1.6%
Value ($000) $18,211 Shares 257,000 Est. Cost Unrealized
CELGENE CORPORATION 1.6%
Value ($000) $17,898 Shares 200,000 Est. Cost Unrealized
UNITY BIOTECHNOLOGY INC. 1.4%
Value ($000) $15,754 Shares 967,114 Est. Cost $15.06 Unrealized
SURFACE ONCOLOGY INC 1.3%
Value ($000) $14,916 Shares 1,363,479 Est. Cost $14.45 Unrealized
RUBIUS THERAPEUTICS INC 1.3%
Value ($000) $14,211 Shares 592,128 Est. Cost $24.00 Unrealized
EIGER BIOPHARMACEUTICALS INC 1.1%
Value ($000) $12,474 Shares 1,039,500 Est. Cost $12.20 Unrealized
ABUS ARBUTUS BIOPHARMA CORP 1.0%
Value ($000) $11,641 Shares 1,231,800 Est. Cost $9.93 Unrealized 0.0%
IRONWOOD PHARMACEUTICALS INC 0.9%
Value ($000) $10,477 Shares 567,600 Est. Cost Unrealized
SPRO SPERO THERAPEUTICS INC 0.8%
Value ($000) $9,383 Shares 892,741 Est. Cost $11.61 Unrealized 0.0%
IMMUNE DESIGN CORP 0.7%
Value ($000) $7,735 Shares 2,241,900 Est. Cost $3.77 Unrealized
ZLAB ZAI LAB LTD 0.6%
Value ($000) $6,818 Shares 350,000 Est. Cost $19.48 Unrealized
AQUINOX PHARMACEUTICALS INC 0.6%
Value ($000) $6,639 Shares 2,265,880 Est. Cost $2.79 Unrealized
ELAN ELANCO ANIMAL HEALTH INC 0.6%
Value ($000) $6,629 Shares 190,000 Est. Cost $35.17 Unrealized 0.0%
SGMO SANGAMO THERAPEUTICS INC 0.5%
Value ($000) $5,818 Shares 343,231 Est. Cost $16.61 Unrealized -8.5%
ACHILLION PHARMACEUTICALS 0.5%
Value ($000) $5,756 Shares 1,564,080 Est. Cost $3.26 Unrealized
ASSEMBLY BIOSCIENCES INC 0.5%
Value ($000) $5,500 Shares 148,100 Est. Cost Unrealized
MERSANA THERAPEUTICS INC 0.4%
Value ($000) $4,956 Shares 495,618 Est. Cost $10.00 Unrealized
KADMON HOLDINGS INC 0.4%
Value ($000) $4,946 Shares 1,480,870 Est. Cost $3.99 Unrealized
IONS IONIS PHARMACEUTICALS INC 0.3%
Value ($000) $3,731 Shares 72,326 Est. Cost $46.98 Unrealized 0.0%
ONCONOVA THERAPEUTICS INC 0.3%
Value ($000) $3,670 Shares 500,000 Est. Cost $7.34 Unrealized
AVROBIO INC 0.3%
Value ($000) $3,561 Shares 68,646 Est. Cost $51.87 Unrealized
JOUNCE THERAPEUTICS INC 0.3%
Value ($000) $3,233 Shares 497,400 Est. Cost Unrealized
CRVS CORVUS PHARMACEUTICALS INC 0.3%
Value ($000) $3,015 Shares 351,401 Est. Cost $11.04 Unrealized -9.4%
WVE WAVE LIFE SCIENCES LTD 0.2%
Value ($000) $2,242 Shares 44,841 Est. Cost $30.27 Unrealized +49.1%
CONSTELLATION PHARMACEUTICALS INC 0.2%
Value ($000) $1,884 Shares 280,000 Est. Cost $6.73 Unrealized
FORTY SEVEN INC 0.1%
Value ($000) $1,477 Shares 99,000 Est. Cost $14.92 Unrealized
CHIASMA INC 0.1%
Value ($000) $1,367 Shares 379,753 Est. Cost $3.60 Unrealized
INFIQ INFINITY PHARMACEUTICALS INC 0.1%
Value ($000) $1,252 Shares 462,068 Est. Cost $2.03 Unrealized +2.1%
APTINYX INC 0.1%
Value ($000) $1,188 Shares 41,037 Est. Cost $24.17 Unrealized
ARVN ARVINAS INC 0.1%
Value ($000) $844 Shares 50,000 Est. Cost $16.46 Unrealized 0.0%
ERYTECH PHARMA 0.1%
Value ($000) $590 Shares 69,569 Est. Cost $11.26 Unrealized