EcoR1 Capital, LLC Quant / Systematic

CIK: 0001587114 · Show all filings

Period: Q3 2023 (← Previous) (Next →)

Filing Date: Nov 14, 2023

Total Value ($000): $2,964,695 (100.0% shares, 0.0% debt)

Holdings (51)

PRTA PROTHENA CORP PLC 18.9%
Value ($000) $558,942 Shares 11,584,280 Est. Cost $11.63 Unrealized +410.7%
APLS APELLIS PHARMACEUTICALS INC 14.0%
Value ($000) $414,631 Shares 10,899,859 Est. Cost $42.60 Unrealized +3.1%
MIRATI THERAPEUTICS INC 8.4%
Value ($000) $250,400 Shares 5,748,399 Est. Cost $43.56 Unrealized
GLPG GALAPAGOS NV 6.7%
Value ($000) $198,879 Shares 5,756,268 Est. Cost $49.34 Unrealized
RVMD REVOLUTION MEDICINES INC 5.2%
Value ($000) $154,395 Shares 5,577,863 Est. Cost $22.24 Unrealized +33.4%
ANAB ANAPTYSBIO INC 4.6%
Value ($000) $135,078 Shares 7,521,024 Est. Cost $23.15 Unrealized -17.6%
ACAD ACADIA PHARMACEUTICALS INC 4.2%
Value ($000) $124,862 Shares 5,991,479 Est. Cost $22.11 Unrealized +22.8%
ARVN ARVINAS INC 3.6%
Value ($000) $107,373 Shares 5,467,063 Est. Cost $45.28 Unrealized -45.8%
XNCR XENCOR INC 3.6%
Value ($000) $106,443 Shares 5,282,516 Est. Cost $33.50 Unrealized -32.1%
TNGX TANGO THERAPEUTICS INC 3.3%
Value ($000) $98,206 Shares 8,721,636 Est. Cost $6.20 Unrealized -1.7%
ZYME ZYMEWORKS INC 2.9%
Value ($000) $85,194 Shares 13,437,473 Est. Cost $7.82 Unrealized -5.6%
SPRINGWORKS THERAPEUTICS INC 2.7%
Value ($000) $80,000 Shares 3,460,208 Est. Cost $28.53 Unrealized
KURA KURA ONCOLOGY INC 1.8%
Value ($000) $52,959 Shares 5,806,871 Est. Cost $18.76 Unrealized -45.9%
JAZZ JAZZ PHARMACEUTICALS PLC 1.6%
Value ($000) $47,687 Shares 368,411 Est. Cost $134.55 Unrealized -1.0%
CRNX CRINETICS PHARMACEUTICALS IN 1.5%
Value ($000) $45,510 Shares 1,530,263 Est. Cost $21.89 Unrealized -5.9%
CNTA CENTESSA PHARMACEUTICALS PLC 1.2%
Value ($000) $36,354 Shares 5,618,779 Est. Cost $4.55 Unrealized
RLAY RELAY THERAPEUTICS INC 1.2%
Value ($000) $35,018 Shares 4,163,824 Est. Cost $28.03 Unrealized -61.6%
MORPHIC HLDG INC 1.1%
Value ($000) $33,911 Shares 1,480,190 Est. Cost $29.75 Unrealized
VYGR VOYAGER THERAPEUTICS INC 1.0%
Value ($000) $29,849 Shares 3,851,507 Est. Cost $3.51 Unrealized
NMRA NEUMORA THERAPEUTICS INC. 1.0%
Value ($000) $29,228 Shares 2,071,450 Est. Cost $12.87 Unrealized 0.0%
APLS APELLIS PHARMACEUTICALS INC 0.9%
Value ($000) $27,864 Shares 732,500 Est. Cost $42.60 Unrealized +3.1%
ALEC ALECTOR INC 0.9%
Value ($000) $26,286 Shares 4,056,548 Est. Cost $19.56 Unrealized -66.9%
NUVB NUVATION BIO INC 0.9%
Value ($000) $25,741 Shares 19,209,643 Est. Cost $8.54 Unrealized -80.5%
MERSANA THERAPEUTICS INC 0.8%
Value ($000) $24,593 Shares 19,364,688 Est. Cost $1.27 Unrealized
OVID OVID THERAPEUTICS INC 0.8%
Value ($000) $23,491 Shares 6,117,400 Est. Cost $3.32 Unrealized +8.2%
GRAPHITE BIO INC 0.7%
Value ($000) $21,175 Shares 8,538,446 Est. Cost $3.82 Unrealized
AVIR ATEA PHARMACEUTICALS INC 0.7%
Value ($000) $20,988 Shares 6,995,861 Est. Cost $13.03 Unrealized -73.9%
ORIC ORIC PHARMACEUTICALS INC 0.7%
Value ($000) $20,679 Shares 3,418,068 Est. Cost $30.24 Unrealized -72.9%
EWTX EDGEWISE THERAPEUTICS INC 0.7%
Value ($000) $20,016 Shares 3,493,194 Est. Cost $18.91 Unrealized -64.0%
THIRD HARMONIC BIO INC 0.6%
Value ($000) $19,058 Shares 2,982,444 Est. Cost $4.87 Unrealized
ACELYRIN INC 0.5%
Value ($000) $14,260 Shares 1,402,201 Est. Cost $10.17 Unrealized
ALLO ALLOGENE THERAPEUTICS INC 0.5%
Value ($000) $14,228 Shares 4,488,200 Est. Cost $8.88 Unrealized -50.6%
TCRX TSCAN THERAPEUTICS INC 0.4%
Value ($000) $12,800 Shares 5,000,000 Est. Cost $2.68 Unrealized -12.9%
DECIPHERA PHARMACEUTICALS IN 0.4%
Value ($000) $12,631 Shares 993,000 Est. Cost $12.72 Unrealized
GENERATION BIO CO 0.3%
Value ($000) $7,758 Shares 2,046,867 Est. Cost $4.35 Unrealized
GOSS GOSSAMER BIO INC 0.3%
Value ($000) $7,658 Shares 9,195,404 Est. Cost $1.15 Unrealized 0.0%
PHAT PHATHOM PHARMACEUTICALS INC 0.2%
Value ($000) $7,259 Shares 700,000 Est. Cost $11.53 Unrealized +19.0%
NGM BIOPHARMACEUTICALS INC 0.2%
Value ($000) $6,886 Shares 6,435,518 Est. Cost $5.88 Unrealized
PRME PRIME MEDICINE INC 0.2%
Value ($000) $5,724 Shares 600,000 Est. Cost $18.06 Unrealized -28.1%
PRQR PROQR THRAPEUTICS N V 0.1%
Value ($000) $3,874 Shares 2,980,016 Est. Cost $3.03 Unrealized -48.1%
PRLD PRELUDE THERAPEUTICS INC 0.1%
Value ($000) $3,577 Shares 1,157,452 Est. Cost $5.98 Unrealized -37.2%
ALIGOS THERAPEUTICS INC 0.1%
Value ($000) $2,949 Shares 3,948,360 Est. Cost $2.37 Unrealized
HOOKIPA PHARMA INC 0.1%
Value ($000) $2,831 Shares 4,595,024 Est. Cost $1.63 Unrealized
SYRE AEGLEA BIOTHERAPEUTICS INC 0.1%
Value ($000) $2,450 Shares 199,996 Est. Cost $13.22 Unrealized 0.0%
ALLAKOS INC 0.1%
Value ($000) $1,700 Shares 748,900 Est. Cost $4.36 Unrealized
NUVATION BIO INC 0.0%
Value ($000) $1,291 Shares 963,333 Est. Cost $10.45 Unrealized
RVMD REVOLUTION MEDICINES INC 0.0%
Value ($000) $866 Shares 31,300 Est. Cost $22.24 Unrealized +33.4%
NAMSW NEWAMSTERDAM PHARMA COMPANY 0.0%
Value ($000) $617 Shares 66,665 Est. Cost $10.90 Unrealized
TEMPEST THERAPEUTICS INC 0.0%
Value ($000) $284 Shares 931,000 Est. Cost $2.08 Unrealized
CAREMAX INC 0.0%
Value ($000) $212 Shares 100,000 Est. Cost $12.90 Unrealized
SRZNW SURROZEN INC 0.0%
Value ($000) $33 Shares 66,665 Est. Cost $7.07 Unrealized