EcoR1 Capital, LLC Quant / Systematic

CIK: 0001587114 · Show all filings

Period: Q4 2018 (← Previous) (Next →)

Filing Date: Feb 14, 2019

Total Value ($000): $999,389 (100.0% shares, 0.0% debt)

Holdings (53)

ARGX ARGENX SE 7.9%
Value ($000) $79,266 Shares 825,087 Est. Cost $96.07 Unrealized
KURA KURA ONCOLOGY INC 7.4%
Value ($000) $74,086 Shares 5,276,753 Est. Cost $10.87 Unrealized +21.9%
FIBROGEN INC 7.1%
Value ($000) $70,556 Shares 1,524,557 Est. Cost $36.02 Unrealized
IRWD IRONWOOD PHARMACEUTICALS INC 5.6%
Value ($000) $55,750 Shares 5,381,282 Est. Cost $11.86 Unrealized -3.2%
ASSEMBLY BIOSCIENCES INC 5.4%
Value ($000) $54,398 Shares 2,404,853 Est. Cost $8.38 Unrealized
SPARK THERAPEUTICS INC 4.5%
Value ($000) $44,496 Shares 1,136,851 Est. Cost $50.49 Unrealized
ASND ASCENDIS PHARMA A S 4.3%
Value ($000) $42,586 Shares 679,746 Est. Cost $26.79 Unrealized
IONS IONIS PHARMACEUTICALS INC 3.9%
Value ($000) $39,211 Shares 725,326 Est. Cost $50.60 Unrealized +0.8%
FIBROGEN INC 3.9%
Value ($000) $38,912 Shares 840,800 Est. Cost Unrealized
XNCR XENCOR INC 3.6%
Value ($000) $35,763 Shares 989,018 Est. Cost $36.69 Unrealized 0.0%
DICERNA PHARMACEUTICALS INC 3.5%
Value ($000) $35,452 Shares 3,316,407 Est. Cost $9.60 Unrealized
SRRK SCHOLAR ROCK HOLDING CORP 3.4%
Value ($000) $33,863 Shares 1,474,228 Est. Cost $18.88 Unrealized +19.8%
MIRATI THERAPEUTICS INC 2.7%
Value ($000) $27,453 Shares 647,169 Est. Cost $42.42 Unrealized
KEZAR LIFE SCIENCES INC 2.5%
Value ($000) $25,016 Shares 1,060,018 Est. Cost $17.35 Unrealized
SOLID BIOSCIENCES INC 2.3%
Value ($000) $23,242 Shares 867,246 Est. Cost $26.80 Unrealized
ASCENDIS PHARMA A S 2.3%
Value ($000) $22,554 Shares 360,000 Est. Cost Unrealized
AKCEA THERAPEUTICS INC 1.9%
Value ($000) $19,282 Shares 639,743 Est. Cost $35.02 Unrealized
GILEAD SCIENCES INC 1.8%
Value ($000) $17,833 Shares 285,100 Est. Cost Unrealized
EIGER BIOPHARMACEUTICALS INC 1.6%
Value ($000) $16,212 Shares 1,595,643 Est. Cost $11.49 Unrealized
UNITY BIOTECHNOLOGY INC 1.6%
Value ($000) $15,725 Shares 967,114 Est. Cost $15.06 Unrealized
ASCENDIS PHARMA A S 1.6%
Value ($000) $15,688 Shares 250,400 Est. Cost Unrealized
SGMO SANGAMO THERAPEUTICS INC 1.4%
Value ($000) $13,613 Shares 1,185,831 Est. Cost $13.63 Unrealized -8.9%
ZLAB ZAI LAB LTD 1.3%
Value ($000) $13,221 Shares 569,377 Est. Cost $20.92 Unrealized
RCUS ARCUS BIOSCIENCES INC 1.3%
Value ($000) $13,177 Shares 1,223,495 Est. Cost $16.66 Unrealized -29.9%
ABUS ARBUTUS BIOPHARMA CORP 1.3%
Value ($000) $12,568 Shares 3,281,502 Est. Cost $6.80 Unrealized -27.6%
CELGENE CORP 1.3%
Value ($000) $12,498 Shares 195,000 Est. Cost Unrealized
IRONWOOD PHARMACEUTICALS INC 1.2%
Value ($000) $12,145 Shares 1,172,300 Est. Cost Unrealized
MYOKARDIA INC 1.1%
Value ($000) $11,452 Shares 234,381 Est. Cost $48.86 Unrealized
RYTM RHYTHM PHARMACEUTICALS INC 1.1%
Value ($000) $10,775 Shares 400,838 Est. Cost $27.64 Unrealized 0.0%
NEKTAR THERAPEUTICS 1.0%
Value ($000) $10,410 Shares 316,700 Est. Cost Unrealized
WVE WAVE LIFE SCIENCES LTD 1.0%
Value ($000) $9,835 Shares 233,933 Est. Cost $41.75 Unrealized +6.5%
SURFACE ONCOLOGY INC 1.0%
Value ($000) $9,588 Shares 2,261,328 Est. Cost $10.40 Unrealized
RUBIUS THERAPEUTICS INC 1.0%
Value ($000) $9,521 Shares 592,128 Est. Cost $24.00 Unrealized
ARRAY BIOPHARMA INC 0.9%
Value ($000) $9,177 Shares 644,002 Est. Cost $14.25 Unrealized
PRTA PROTHENA CORP PLC 0.9%
Value ($000) $8,634 Shares 838,219 Est. Cost $11.89 Unrealized 0.0%
MAGENTA THERAPEUTICS INC 0.8%
Value ($000) $7,863 Shares 1,379,487 Est. Cost $13.50 Unrealized
IMMUNE DESIGN CORP 0.7%
Value ($000) $7,284 Shares 5,603,191 Est. Cost $2.29 Unrealized
RCKT ROCKET PHARMACEUTICALS INC 0.7%
Value ($000) $6,669 Shares 450,000 Est. Cost $16.60 Unrealized 0.0%
CRSP CRISPR THERAPEUTICS AG 0.6%
Value ($000) $5,967 Shares 208,850 Est. Cost $52.37 Unrealized -33.6%
AQUINOX PHARMACEUTICALS INC 0.5%
Value ($000) $4,894 Shares 2,265,880 Est. Cost $2.79 Unrealized
PORTOLA PHARMACEUTICALS INC 0.5%
Value ($000) $4,838 Shares 247,858 Est. Cost $19.52 Unrealized
ACRS ACLARIS THERAPEUTICS INC 0.5%
Value ($000) $4,535 Shares 613,728 Est. Cost $10.31 Unrealized 0.0%
FIVE PRIME THERAPEUTICS INC 0.3%
Value ($000) $3,039 Shares 326,775 Est. Cost $9.30 Unrealized
CORT CORCEPT THERAPEUTICS INC 0.2%
Value ($000) $2,218 Shares 166,005 Est. Cost $13.22 Unrealized 0.0%
CURIS INC 0.2%
Value ($000) $2,057 Shares 2,982,208 Est. Cost $0.69 Unrealized
DYNAVAX TECHNOLOGIES CORP 0.1%
Value ($000) $1,282 Shares 140,118 Est. Cost $9.15 Unrealized
CHIASMA INC 0.1%
Value ($000) $1,181 Shares 379,753 Est. Cost $3.60 Unrealized
CRVS CORVUS PHARMACEUTICALS INC 0.1%
Value ($000) $1,084 Shares 295,420 Est. Cost $11.04 Unrealized -38.2%
ONCONOVA THERAPEUTICS INC 0.1%
Value ($000) $893 Shares 423,441 Est. Cost $7.34 Unrealized
ARVN ARVINAS INC 0.1%
Value ($000) $643 Shares 50,000 Est. Cost $16.46 Unrealized -3.6%
AFFIMED N V 0.0%
Value ($000) $492 Shares 158,221 Est. Cost $3.11 Unrealized
CONSTELLATION PHARMACEUTICALS INC 0.0%
Value ($000) $318 Shares 79,194 Est. Cost $6.73 Unrealized
PRQR PROQR THERAPEUTICS N V 0.0%
Value ($000) $174 Shares 11,022 Est. Cost $18.36 Unrealized 0.0%