EcoR1 Capital, LLC Quant / Systematic

Location: San Francisco, CA

CIK: 0001587114 · Show all filings

Period: Q1 2020 (← Previous) (Next →)

Filing Date: May 15, 2020

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

Holdings (51)

PRTA PROTHENA CORP PLC 10.5%
Value $101M Shares 9,426,640 Est. Cost $9.11 Unrealized +32.9%
XNCR XENCOR INC 7.8%
Value $74.75M Shares 2,501,557 Est. Cost $35.02 Unrealized -5.4%
ARVN ARVINAS INC 6.4%
Value $61.58M Shares 1,528,031 Est. Cost $31.44 Unrealized +48.8%
DICERNA PHARMACEUTICALS INC 6.4%
Value $61.47M Shares 3,346,301 Est. Cost $10.37 Unrealized
FATE FATE THERAPEUTICS INC 5.4%
Value $52.01M Shares 2,341,875 Est. Cost $23.48 Unrealized +7.7%
IRWD IRONWOOD PHARMACEUTICALS INC 4.6%
Value $44.33M Shares 4,393,236 Est. Cost $11.82 Unrealized -0.6%
ANAB ANAPTYSBIO INC 4.5%
Value $42.9M Shares 3,036,014 Est. Cost $20.66 Unrealized -26.6%
NEOLEUKIN THERAPEUTICS INC 4.4%
Value $42.03M Shares 3,693,203 Est. Cost $6.84 Unrealized
MORPHIC HLDG INC 4.3%
Value $41.44M Shares 2,823,141 Est. Cost $18.60 Unrealized
ASSEMBLY BIOSCIENCES INC 4.0%
Value $38.42M Shares 2,590,680 Est. Cost $19.62 Unrealized
KURA KURA ONCOLOGY INC 3.7%
Value $34.94M Shares 3,511,690 Est. Cost $11.06 Unrealized +3.5%
FIBROGEN INC 3.2%
Value $30.65M Shares 882,138 Est. Cost $43.99 Unrealized
IPHA INNATE PHARMA S A 3.1%
Value $29.83M Shares 4,465,668 Est. Cost $6.44 Unrealized
MIRATI THERAPEUTICS INC 2.9%
Value $27.51M Shares 357,849 Est. Cost $76.98 Unrealized
PREVAIL THERAPEUTICS INC 2.9%
Value $27.41M Shares 2,248,306 Est. Cost $13.20 Unrealized
PBYI PUMA BIOTECHNOLOGY INC 2.2%
Value $21.41M Shares 2,536,156 Est. Cost $9.72 Unrealized 0.0%
MERUS N V 2.2%
Value $20.76M Shares 1,715,962 Est. Cost $14.44 Unrealized
ATRECA INC 1.9%
Value $18.31M Shares 1,106,180 Est. Cost $18.84 Unrealized
RARE ULTRAGENYX PHARMACEUTICAL IN 1.7%
Value $16.49M Shares 371,208 Est. Cost $47.04 Unrealized +10.4%
SGMO SANGAMO THERAPEUTICS INC 1.5%
Value $14.7M Shares 2,308,079 Est. Cost $7.42 Unrealized 0.0%
GMAB GENMAB A/S 1.4%
Value $13.86M Shares 653,981 Est. Cost $21.19 Unrealized
ACAD ACADIA PHARMACEUTICALS INC 1.4%
Value $13.68M Shares 323,889 Est. Cost $43.50 Unrealized -5.3%
DNLI DENALI THERAPEUTICS INC 1.3%
Value $12.22M Shares 698,101 Est. Cost $20.86 Unrealized 0.0%
FOLD AMICUS THERAPEUTICS INC 1.2%
Value $11.55M Shares 1,249,611 Est. Cost $9.51 Unrealized 0.0%
SELECTA BIOSCIENCES INC 1.2%
Value $11.08M Shares 4,597,701 Est. Cost $2.38 Unrealized
IONS IONIS PHARMACEUTICALS INC 1.0%
Value $9.863M Shares 208,609 Est. Cost $55.74 Unrealized 0.0%
VIR VIR BIOTECHNOLOGY INC 1.0%
Value $9.267M Shares 270,418 Est. Cost $26.88 Unrealized 0.0%
ZIOPHARM ONCOLOGY INC 1.0%
Value $9.188M Shares 3,750,000 Est. Cost $2.45 Unrealized
VERASTEM INC 0.9%
Value $8.595M Shares 3,255,813 Est. Cost $2.64 Unrealized
BRISTOL-MYERS SQUIBB CO 0.9%
Value $8.544M Shares 2,248,300 Est. Cost $3.80 Unrealized
CYCLERION THERAPEUTICS INC 0.8%
Value $7.267M Shares 2,742,276 Est. Cost $5.17 Unrealized
CHIASMA INC 0.6%
Value $5.521M Shares 1,512,627 Est. Cost $5.00 Unrealized
CRNX CRINETICS PHARMACEUTICALS IN 0.5%
Value $5.145M Shares 350,000 Est. Cost $20.50 Unrealized 0.0%
EXICURE INC 0.4%
Value $4.205M Shares 2,841,301 Est. Cost $2.53 Unrealized
RCUS ARCUS BIOSCIENCES INC 0.4%
Value $4.054M Shares 292,100 Est. Cost $14.43 Unrealized -13.8%
SVRA SAVARA INC 0.3%
Value $3.037M Shares 1,432,664 Est. Cost $1.20 Unrealized +127.8%
LIFESCI ACQUISITION CORP 0.3%
Value $3M Shares 300,000 Est. Cost $10.00 Unrealized
SURFACE ONCOLOGY INC 0.2%
Value $2.383M Shares 1,274,463 Est. Cost $10.23 Unrealized
ACRS ACLARIS THERAPEUTICS INC 0.2%
Value $2.171M Shares 2,087,312 Est. Cost $1.66 Unrealized -17.9%
CRVS CORVUS PHARMACEUTICALS INC 0.2%
Value $1.556M Shares 737,612 Est. Cost $3.50 Unrealized +16.1%
ZYMEWORKS INC 0.2%
Value $1.469M Shares 41,407 Est. Cost $35.48 Unrealized
CRSP CRISPR THERAPEUTICS AG 0.1%
Value $1.294M Shares 30,510 Est. Cost $51.63 Unrealized 0.0%
MGTX MEIRAGTX HOLDINGS PLC 0.1%
Value $1.274M Shares 94,819 Est. Cost $16.89 Unrealized 0.0%
TRILLIUM THERAPEUTICS INC 0.1%
Value $1.18M Shares 291,997 Est. Cost $4.04 Unrealized
XOMA XOMA CORP DEL 0.1%
Value $1.034M Shares 50,809 Est. Cost $23.09 Unrealized 0.0%
REGULUS THERAPEUTICS INC 0.1%
Value $870K Shares 1,886,812 Est. Cost $0.46 Unrealized
BLUEPRINT MEDICINES CORP 0.1%
Value $816K Shares 13,946 Est. Cost $58.51 Unrealized
PIERIS PHARMACEUTICALS INC 0.1%
Value $602K Shares 264,166 Est. Cost $3.62 Unrealized
FIVE PRIME THERAPEUTICS INC 0.1%
Value $581K Shares 256,075 Est. Cost $2.27 Unrealized
EXEL EXELIXIS INC 0.0%
Value $108K Shares 6,269 Est. Cost $18.29 Unrealized 0.0%
CTMX CYTOMX THERAPEUTICS INC 0.0%
Value $8,000 Shares 1,101 Est. Cost $6.75 Unrealized +3.3%