EcoR1 Capital, LLC Quant / Systematic

Location: San Francisco, CA

CIK: 0001587114 · Show all filings

Period: Q1 2024 (← Previous) (Next →)

Filing Date: May 15, 2024

Total Value: $3.954B (100.0% shares, 0.0% debt)

Holdings (59)

APLS APELLIS PHARMACEUTICALS INC 16.9%
Value $668M Shares 11,357,425 Est. Cost $43.14 Unrealized +47.8%
PRTA PROTHENA CORP PLC 7.3%
Value $287M Shares 11,584,280 Est. Cost $11.63 Unrealized +155.7%
ARVN ARVINAS INC 7.0%
Value $278M Shares 6,726,491 Est. Cost $41.18 Unrealized +6.1%
SRPT SAREPTA THERAPEUTICS INC 6.3%
Value $249M Shares 1,919,835 Est. Cost $110.97 Unrealized +10.4%
CRNX CRINETICS PHARMACEUTICALS IN 4.9%
Value $195M Shares 4,155,375 Est. Cost $31.80 Unrealized +23.1%
GLPG GALAPAGOS NV 4.7%
Value $185M Shares 5,756,268 Est. Cost $49.34 Unrealized
ANAB ANAPTYSBIO INC 4.3%
Value $169M Shares 7,521,024 Est. Cost $23.15 Unrealized +2.3%
ZYME ZYMEWORKS INC 3.6%
Value $141M Shares 13,437,473 Est. Cost $7.82 Unrealized +41.9%
KURA KURA ONCOLOGY INC 3.1%
Value $124M Shares 5,806,871 Est. Cost $18.76 Unrealized +3.6%
JAZZ JAZZ PHARMACEUTICALS PLC 3.1%
Value $122M Shares 1,013,952 Est. Cost $128.33 Unrealized -4.6%
XNCR XENCOR INC 3.0%
Value $118M Shares 5,330,416 Est. Cost $33.50 Unrealized -35.5%
ACAD ACADIA PHARMACEUTICALS INC 2.8%
Value $111M Shares 5,991,479 Est. Cost $22.11 Unrealized +12.0%
TNGX TANGO THERAPEUTICS INC 2.7%
Value $106M Shares 13,330,736 Est. Cost $7.06 Unrealized +51.8%
IMNM IMMUNOME INC 2.4%
Value $95.74M Shares 3,879,415 Est. Cost $8.31 Unrealized +144.1%
CRSP CRISPR THERAPEUTICS AG 2.4%
Value $94.69M Shares 1,389,276 Est. Cost $71.59 Unrealized 0.0%
MERSANA THERAPEUTICS INC 2.2%
Value $86.75M Shares 19,364,688 Est. Cost $1.27 Unrealized
MORPHIC HLDG INC 2.1%
Value $83.93M Shares 2,384,384 Est. Cost $34.72 Unrealized
NUVB NUVATION BIO INC 1.8%
Value $69.92M Shares 19,209,643 Est. Cost $8.54 Unrealized -77.5%
NGNE NEUROGENE INC 1.6%
Value $64.71M Shares 1,271,342 Est. Cost $14.32 Unrealized +133.2%
CNTA CENTESSA PHARMACEUTICALS PLC 1.6%
Value $63.49M Shares 5,618,779 Est. Cost $4.55 Unrealized
ORIC ORIC PHARMACEUTICALS INC 1.2%
Value $47M Shares 3,418,068 Est. Cost $30.24 Unrealized -60.7%
ADAPY ADAPTIMMUNE THERAPEUTICS PLC 1.1%
Value $43.3M Shares 27,404,070 Est. Cost $1.58 Unrealized
TCRX TSCAN THERAPEUTICS INC 1.0%
Value $39.7M Shares 5,000,000 Est. Cost $2.68 Unrealized +134.8%
VYGR VOYAGER THERAPEUTICS INC 0.9%
Value $36.47M Shares 3,917,546 Est. Cost $3.61 Unrealized
THIRD HARMONIC BIO INC 0.8%
Value $30.04M Shares 3,182,444 Est. Cost $5.25 Unrealized
NMRA NEUMORA THERAPEUTICS INC. 0.7%
Value $28.48M Shares 2,071,450 Est. Cost $12.87 Unrealized +25.6%
CLDX CELLDEX THERAPEUTICS INC 0.7%
Value $27.28M Shares 650,000 Est. Cost $41.06 Unrealized 0.0%
ITEOS THERAPEUTICS INC 0.7%
Value $27.27M Shares 1,999,249 Est. Cost $12.14 Unrealized
LENZ LENZ THERAPEUTICS INC 0.7%
Value $27.24M Shares 1,219,774 Est. Cost $20.79 Unrealized 0.0%
AVIR ATEA PHARMACEUTICALS INC 0.6%
Value $24.83M Shares 6,145,861 Est. Cost $13.03 Unrealized -70.0%
ALEC ALECTOR INC 0.6%
Value $24.42M Shares 4,056,548 Est. Cost $19.56 Unrealized -66.6%
EWTX EDGEWISE THERAPEUTICS INC 0.6%
Value $22.81M Shares 1,250,385 Est. Cost $18.91 Unrealized -15.9%
NKTX NKARTA INC 0.5%
Value $21.62M Shares 2,000,000 Est. Cost $10.40 Unrealized 0.0%
PHVS PHARVARIS N V 0.5%
Value $20.8M Shares 900,000 Est. Cost $20.23 Unrealized +31.3%
PCVX VAXCYTE INC 0.5%
Value $20.49M Shares 300,000 Est. Cost $69.25 Unrealized 0.0%
MDGL MADRIGAL PHARMACEUTICALS INC 0.5%
Value $20.03M Shares 75,000 Est. Cost $235.62 Unrealized 0.0%
RNAM AVIDITY BIOSCIENCES INC 0.5%
Value $19.33M Shares 757,576 Est. Cost $15.67 Unrealized 0.0%
OVID OVID THERAPEUTICS INC 0.5%
Value $18.66M Shares 6,117,400 Est. Cost $3.32 Unrealized +0.7%
VERVE THERAPEUTICS INC 0.4%
Value $16.6M Shares 1,250,000 Est. Cost $13.94 Unrealized
KURA KURA ONCOLOGY INC 0.4%
Value $14.93M Shares 700,000 Est. Cost $18.76 Unrealized +3.6%
KROS KEROS THERAPEUTICS INC 0.3%
Value $12.41M Shares 187,500 Est. Cost $59.30 Unrealized 0.0%
DYN DYNE THERAPEUTICS INC 0.3%
Value $12.12M Shares 427,039 Est. Cost $22.62 Unrealized 0.0%
KYTX KYVERNA THERAPEUTICS INC 0.3%
Value $11.18M Shares 450,000 Est. Cost $27.84 Unrealized 0.0%
GOSS GOSSAMER BIO INC 0.3%
Value $10.85M Shares 9,195,404 Est. Cost $1.15 Unrealized -4.5%
ALLOVIR INC 0.2%
Value $8.526M Shares 11,294,585 Est. Cost $0.75 Unrealized
KOD KODIAK SCIENCES INC 0.2%
Value $8.488M Shares 1,613,600 Est. Cost $4.90 Unrealized 0.0%
GENERATION BIO CO 0.2%
Value $8.331M Shares 2,046,867 Est. Cost $4.35 Unrealized
ATARA BIOTHERAPEUTICS INC 0.2%
Value $7.056M Shares 10,167,043 Est. Cost $0.51 Unrealized
PRQR PROQR THRAPEUTICS N V 0.2%
Value $6.605M Shares 2,884,357 Est. Cost $3.03 Unrealized -29.4%
ALIGOS THERAPEUTICS INC 0.2%
Value $6.262M Shares 6,389,468 Est. Cost $1.72 Unrealized
ARQT ARCUTIS BIOTHERAPEUTICS INC 0.1%
Value $4.955M Shares 500,000 Est. Cost $7.46 Unrealized 0.0%
PRME PRIME MEDICINE INC 0.1%
Value $4.9M Shares 700,000 Est. Cost $7.58 Unrealized 0.0%
NUVATION BIO INC 0.1%
Value $3.507M Shares 963,333 Est. Cost $10.45 Unrealized
HOOKIPA PHARMA INC 0.1%
Value $3.272M Shares 4,595,024 Est. Cost $1.63 Unrealized
SRZNW SURROZEN INC 0.0%
Value $1.047M Shares 66,665 Est. Cost $7.07 Unrealized
PMVP PMV PHARMACEUTICALS INC 0.0%
Value $964K Shares 566,879 Est. Cost $2.65 Unrealized -29.4%
CAREMAX INC 0.0%
Value $482K Shares 100,000 Est. Cost $12.90 Unrealized
KOD KODIAK SCIENCES INC 0.0%
Value $269K Shares 51,100 Est. Cost $4.90 Unrealized 0.0%
ALPINE IMMUNE SCIENCES INC 0.0%
Value $39,640 Shares 1,000 Est. Cost $39.64 Unrealized