EcoR1 Capital, LLC Quant / Systematic

CIK: 0001587114 · Show all filings

Period: Q1 2020 (← Previous) (Next →)

Filing Date: May 15, 2020

Total Value ($000): $957,232 (100.0% shares, 0.0% debt)

Holdings (51)

PRTA PROTHENA CORP PLC 10.5%
Value ($000) $100,865 Shares 9,426,640 Est. Cost $9.11 Unrealized +32.9%
XNCR XENCOR INC 7.8%
Value ($000) $74,747 Shares 2,501,557 Est. Cost $35.02 Unrealized -5.4%
ARVN ARVINAS INC 6.4%
Value ($000) $61,580 Shares 1,528,031 Est. Cost $31.44 Unrealized +48.8%
DICERNA PHARMACEUTICALS INC 6.4%
Value ($000) $61,472 Shares 3,346,301 Est. Cost $10.37 Unrealized
FATE FATE THERAPEUTICS INC 5.4%
Value ($000) $52,013 Shares 2,341,875 Est. Cost $23.48 Unrealized +7.7%
IRWD IRONWOOD PHARMACEUTICALS INC 4.6%
Value ($000) $44,328 Shares 4,393,236 Est. Cost $11.82 Unrealized -0.6%
ANAB ANAPTYSBIO INC 4.5%
Value ($000) $42,899 Shares 3,036,014 Est. Cost $20.66 Unrealized -26.6%
NEOLEUKIN THERAPEUTICS INC 4.4%
Value ($000) $42,029 Shares 3,693,203 Est. Cost $6.84 Unrealized
MORPHIC HLDG INC 4.3%
Value ($000) $41,444 Shares 2,823,141 Est. Cost $18.60 Unrealized
ASSEMBLY BIOSCIENCES INC 4.0%
Value ($000) $38,420 Shares 2,590,680 Est. Cost $19.62 Unrealized
KURA KURA ONCOLOGY INC 3.7%
Value ($000) $34,941 Shares 3,511,690 Est. Cost $11.06 Unrealized +3.5%
FIBROGEN INC 3.2%
Value ($000) $30,654 Shares 882,138 Est. Cost $43.99 Unrealized
IPHA INNATE PHARMA S A 3.1%
Value ($000) $29,831 Shares 4,465,668 Est. Cost $6.44 Unrealized
MIRATI THERAPEUTICS INC 2.9%
Value ($000) $27,508 Shares 357,849 Est. Cost $76.98 Unrealized
PREVAIL THERAPEUTICS INC 2.9%
Value ($000) $27,407 Shares 2,248,306 Est. Cost $13.20 Unrealized
PBYI PUMA BIOTECHNOLOGY INC 2.2%
Value ($000) $21,405 Shares 2,536,156 Est. Cost $9.72 Unrealized 0.0%
MERUS N V 2.2%
Value ($000) $20,763 Shares 1,715,962 Est. Cost $14.44 Unrealized
ATRECA INC 1.9%
Value ($000) $18,307 Shares 1,106,180 Est. Cost $18.84 Unrealized
RARE ULTRAGENYX PHARMACEUTICAL IN 1.7%
Value ($000) $16,493 Shares 371,208 Est. Cost $47.04 Unrealized +10.4%
SGMO SANGAMO THERAPEUTICS INC 1.5%
Value ($000) $14,702 Shares 2,308,079 Est. Cost $7.42 Unrealized 0.0%
GMAB GENMAB A/S 1.4%
Value ($000) $13,858 Shares 653,981 Est. Cost $21.19 Unrealized
ACAD ACADIA PHARMACEUTICALS INC 1.4%
Value ($000) $13,684 Shares 323,889 Est. Cost $43.50 Unrealized -5.3%
DNLI DENALI THERAPEUTICS INC 1.3%
Value ($000) $12,224 Shares 698,101 Est. Cost $20.86 Unrealized 0.0%
FOLD AMICUS THERAPEUTICS INC 1.2%
Value ($000) $11,546 Shares 1,249,611 Est. Cost $9.51 Unrealized 0.0%
SELECTA BIOSCIENCES INC 1.2%
Value ($000) $11,080 Shares 4,597,701 Est. Cost $2.38 Unrealized
IONS IONIS PHARMACEUTICALS INC 1.0%
Value ($000) $9,863 Shares 208,609 Est. Cost $55.74 Unrealized 0.0%
VIR VIR BIOTECHNOLOGY INC 1.0%
Value ($000) $9,267 Shares 270,418 Est. Cost $26.88 Unrealized 0.0%
ZIOPHARM ONCOLOGY INC 1.0%
Value ($000) $9,188 Shares 3,750,000 Est. Cost $2.45 Unrealized
VERASTEM INC 0.9%
Value ($000) $8,595 Shares 3,255,813 Est. Cost $2.64 Unrealized
BRISTOL-MYERS SQUIBB CO 0.9%
Value ($000) $8,544 Shares 2,248,300 Est. Cost $3.80 Unrealized
CYCLERION THERAPEUTICS INC 0.8%
Value ($000) $7,267 Shares 2,742,276 Est. Cost $5.17 Unrealized
CHIASMA INC 0.6%
Value ($000) $5,521 Shares 1,512,627 Est. Cost $5.00 Unrealized
CRNX CRINETICS PHARMACEUTICALS IN 0.5%
Value ($000) $5,145 Shares 350,000 Est. Cost $20.50 Unrealized 0.0%
EXICURE INC 0.4%
Value ($000) $4,205 Shares 2,841,301 Est. Cost $2.53 Unrealized
RCUS ARCUS BIOSCIENCES INC 0.4%
Value ($000) $4,054 Shares 292,100 Est. Cost $14.43 Unrealized -13.8%
SVRA SAVARA INC 0.3%
Value ($000) $3,037 Shares 1,432,664 Est. Cost $1.20 Unrealized +127.8%
LIFESCI ACQUISITION CORP 0.3%
Value ($000) $3,000 Shares 300,000 Est. Cost $10.00 Unrealized
SURFACE ONCOLOGY INC 0.2%
Value ($000) $2,383 Shares 1,274,463 Est. Cost $10.23 Unrealized
ACRS ACLARIS THERAPEUTICS INC 0.2%
Value ($000) $2,171 Shares 2,087,312 Est. Cost $1.66 Unrealized -17.9%
CRVS CORVUS PHARMACEUTICALS INC 0.2%
Value ($000) $1,556 Shares 737,612 Est. Cost $3.50 Unrealized +16.1%
ZYMEWORKS INC 0.2%
Value ($000) $1,469 Shares 41,407 Est. Cost $35.48 Unrealized
CRSP CRISPR THERAPEUTICS AG 0.1%
Value ($000) $1,294 Shares 30,510 Est. Cost $51.63 Unrealized 0.0%
MGTX MEIRAGTX HOLDINGS PLC 0.1%
Value ($000) $1,274 Shares 94,819 Est. Cost $16.89 Unrealized 0.0%
TRILLIUM THERAPEUTICS INC 0.1%
Value ($000) $1,180 Shares 291,997 Est. Cost $4.04 Unrealized
XOMA XOMA CORP DEL 0.1%
Value ($000) $1,034 Shares 50,809 Est. Cost $23.09 Unrealized 0.0%
REGULUS THERAPEUTICS INC 0.1%
Value ($000) $870 Shares 1,886,812 Est. Cost $0.46 Unrealized
BLUEPRINT MEDICINES CORP 0.1%
Value ($000) $816 Shares 13,946 Est. Cost $58.51 Unrealized
PIERIS PHARMACEUTICALS INC 0.1%
Value ($000) $602 Shares 264,166 Est. Cost $3.62 Unrealized
FIVE PRIME THERAPEUTICS INC 0.1%
Value ($000) $581 Shares 256,075 Est. Cost $2.27 Unrealized
EXEL EXELIXIS INC 0.0%
Value ($000) $108 Shares 6,269 Est. Cost $18.29 Unrealized 0.0%
CTMX CYTOMX THERAPEUTICS INC 0.0%
Value ($000) $8 Shares 1,101 Est. Cost $6.75 Unrealized +3.3%