EcoR1 Capital, LLC Quant / Systematic

CIK: 0001587114 · Show all filings

Period: Q4 2021 (← Previous) (Next →)

Filing Date: Feb 14, 2022

Total Value ($000): $3,138,062 (100.0% shares, 0.0% debt)

Holdings (76)

PRTA PROTHENA CORP PLC 17.8%
Value ($000) $557,443 Shares 11,284,280 Est. Cost $10.98 Unrealized +404.8%
ANAB ANAPTYSBIO INC 8.3%
Value ($000) $261,356 Shares 7,521,024 Est. Cost $23.15 Unrealized +37.0%
RCUS ARCUS BIOSCIENCES INC 7.1%
Value ($000) $223,530 Shares 5,523,358 Est. Cost $28.65 Unrealized +35.4%
XNCR XENCOR INC 6.3%
Value ($000) $196,833 Shares 4,906,106 Est. Cost $34.08 Unrealized +11.2%
APLS APELLIS PHARMACEUTICALS INC 6.1%
Value ($000) $190,722 Shares 4,033,882 Est. Cost $39.37 Unrealized 0.0%
MORPHIC HLDG INC 6.0%
Value ($000) $187,225 Shares 3,951,566 Est. Cost $29.75 Unrealized
GLPG GALAPAGOS NV 3.9%
Value ($000) $122,631 Shares 2,224,403 Est. Cost $53.36 Unrealized
NUVB NUVATION BIO INC 3.8%
Value ($000) $118,121 Shares 13,896,543 Est. Cost $11.16 Unrealized -17.7%
ALEC ALECTOR INC 3.3%
Value ($000) $103,146 Shares 4,994,970 Est. Cost $20.12 Unrealized +12.1%
PTGX PROTAGONIST THERAPEUTICS INC 2.9%
Value ($000) $90,278 Shares 2,639,706 Est. Cost $37.64 Unrealized -16.0%
CRSP CRISPR THERAPEUTICS AG 2.6%
Value ($000) $81,652 Shares 1,077,483 Est. Cost $87.36 Unrealized 0.0%
GRITSTONE BIO INC 2.5%
Value ($000) $77,317 Shares 6,012,232 Est. Cost $7.05 Unrealized
ACAD ACADIA PHARMACEUTICALS INC 2.3%
Value ($000) $71,434 Shares 3,060,593 Est. Cost $20.11 Unrealized 0.0%
RNAM AVIDITY BIOSCIENCES INC 2.1%
Value ($000) $65,593 Shares 2,759,505 Est. Cost $27.15 Unrealized -12.0%
ITEOS THERAPEUTICS INC 1.9%
Value ($000) $60,675 Shares 1,303,157 Est. Cost $25.73 Unrealized
RLAY RELAY THERAPEUTICS INC 1.7%
Value ($000) $54,636 Shares 1,779,084 Est. Cost $35.94 Unrealized -12.1%
KURA KURA ONCOLOGY INC 1.7%
Value ($000) $52,142 Shares 3,724,437 Est. Cost $22.14 Unrealized -26.8%
ORIC ORIC PHARMACEUTICALS INC 1.6%
Value ($000) $50,993 Shares 3,468,944 Est. Cost $30.24 Unrealized -48.4%
2SEVENTY BIO ORD 1.6%
Value ($000) $49,134 Shares 1,917,063 Est. Cost $25.63 Unrealized
AVIR ATEA PHARMACEUTICALS INC 1.5%
Value ($000) $48,063 Shares 5,376,134 Est. Cost $15.58 Unrealized 0.0%
DSGN DESIGN THERAPEUTICS INC 1.5%
Value ($000) $46,096 Shares 2,152,997 Est. Cost $24.86 Unrealized -30.9%
SAGE THERAPEUTICS INC 1.3%
Value ($000) $40,015 Shares 940,636 Est. Cost $42.54 Unrealized
JANX JANUX THERAPEUTICS INC 0.9%
Value ($000) $27,858 Shares 1,411,975 Est. Cost $22.27 Unrealized -5.9%
PARDES BIOSCIENCES ORD 0.8%
Value ($000) $26,145 Shares 1,597,139 Est. Cost $16.37 Unrealized
VTYX VENTYX BIOSCIENCES ORD 0.8%
Value ($000) $25,818 Shares 1,300,000 Est. Cost $18.95 Unrealized 0.0%
EWTX EDGEWISE THERAPEUTICS INC 0.6%
Value ($000) $19,546 Shares 1,279,175 Est. Cost $31.81 Unrealized -43.4%
OVID OVID THERAPEUTICS INC 0.6%
Value ($000) $19,524 Shares 6,082,200 Est. Cost $3.32 Unrealized +3.2%
AKOUOS INC 0.5%
Value ($000) $16,796 Shares 1,975,984 Est. Cost $22.50 Unrealized
CRNX CRINETICS PHARMACEUTICALS IN 0.5%
Value ($000) $16,767 Shares 590,169 Est. Cost $24.65 Unrealized 0.0%
ALNY ALNYLAM PHARMACEUTICALS INC 0.5%
Value ($000) $16,644 Shares 98,146 Est. Cost $185.86 Unrealized 0.0%
SOLID BIOSCIENCES INC 0.5%
Value ($000) $16,105 Shares 9,202,702 Est. Cost $7.31 Unrealized
HALO HALOZYME THERAPEUTICS INC 0.5%
Value ($000) $15,762 Shares 392,000 Est. Cost $37.33 Unrealized 0.0%
LEGN LEGEND BIOTECH CORP 0.5%
Value ($000) $14,337 Shares 307,594 Est. Cost $46.61 Unrealized
TNGX TANGO THERAPEUTICS INC 0.5%
Value ($000) $14,222 Shares 1,300,000 Est. Cost $11.99 Unrealized +0.3%
ERAS ERASCA INC 0.3%
Value ($000) $10,906 Shares 700,000 Est. Cost $20.63 Unrealized -17.0%
ARVN ARVINAS INC 0.3%
Value ($000) $10,703 Shares 130,300 Est. Cost $81.37 Unrealized 0.0%
CNTA CENTESSA PHARMACEUTICALS PLC 0.3%
Value ($000) $9,933 Shares 882,176 Est. Cost $20.63 Unrealized
IMVT IMMUNOVANT INC 0.3%
Value ($000) $9,720 Shares 1,140,819 Est. Cost $9.02 Unrealized -8.5%
VYGR VOYAGER THERAPEUTICS INC 0.3%
Value ($000) $9,641 Shares 3,557,507 Est. Cost $2.70 Unrealized
NRIX NURIX THERAPEUTICS INC 0.3%
Value ($000) $8,961 Shares 309,540 Est. Cost $29.56 Unrealized +2.6%
GRAPHITE BIO INC 0.3%
Value ($000) $8,563 Shares 688,900 Est. Cost $12.43 Unrealized
NUVATION BIO INC 0.3%
Value ($000) $8,188 Shares 963,333 Est. Cost $10.45 Unrealized
SPRY SILVERBACK THERAPEUTICS INC 0.2%
Value ($000) $7,060 Shares 1,060,010 Est. Cost $33.36 Unrealized -75.6%
CCCC C4 THERAPEUTICS INC 0.2%
Value ($000) $6,440 Shares 200,000 Est. Cost $29.00 Unrealized +36.4%
FRAZIER LIFESCIENCES ACQU CO 0.2%
Value ($000) $5,729 Shares 587,615 Est. Cost $9.80 Unrealized
APPLIED MOLECULAR TRANS INC 0.2%
Value ($000) $5,592 Shares 400,000 Est. Cost $13.98 Unrealized
KRONOS BIO INC 0.2%
Value ($000) $5,264 Shares 387,357 Est. Cost $29.87 Unrealized
JIYA ACQUISITION CORP 0.2%
Value ($000) $4,885 Shares 500,000 Est. Cost $10.30 Unrealized
NEOLEUKIN THERAPEUTICS INC 0.1%
Value ($000) $4,148 Shares 860,619 Est. Cost $7.28 Unrealized
HEALTH SCIENCES ACQ CORP 2 ORD 0.1%
Value ($000) $4,032 Shares 400,000 Est. Cost $11.00 Unrealized
GRITSTONE BIO INC 0.1%
Value ($000) $3,948 Shares 307,000 Est. Cost $7.05 Unrealized
ACIU AC IMMUNE SA 0.1%
Value ($000) $3,710 Shares 749,585 Est. Cost $5.79 Unrealized +0.3%
VERVE THERAPEUTICS INC 0.1%
Value ($000) $3,687 Shares 100,000 Est. Cost $60.25 Unrealized
KINNATE BIOPHARMA INC 0.1%
Value ($000) $3,101 Shares 175,000 Est. Cost $25.42 Unrealized
DYN DYNE THERAPEUTICS INC 0.1%
Value ($000) $2,556 Shares 215,000 Est. Cost $21.96 Unrealized -36.0%
MLTX HELIX ACQUISITION CORP 0.1%
Value ($000) $1,978 Shares 200,000 Est. Cost $11.37 Unrealized
5 01 ACQUISITION CORP 0.1%
Value ($000) $1,970 Shares 200,000 Est. Cost $10.17 Unrealized
BCLS ACQUISITION CORP 0.1%
Value ($000) $1,960 Shares 200,000 Est. Cost $11.14 Unrealized
EUCRATES BIOMEDICAL ACQU COR 0.1%
Value ($000) $1,952 Shares 200,000 Est. Cost $9.98 Unrealized
ADVERUM BIOTECHNOLOGIES INC 0.1%
Value ($000) $1,842 Shares 1,046,700 Est. Cost $1.76 Unrealized
ARYA SCIENCES ACQU CORP IV 0.0%
Value ($000) $1,487 Shares 150,000 Est. Cost $10.47 Unrealized
PMVP PMV PHARMACEUTICALS INC 0.0%
Value ($000) $1,155 Shares 50,000 Est. Cost $36.80 Unrealized -34.3%
CRBU CARIBOU BIOSCIENCES INC 0.0%
Value ($000) $1,132 Shares 75,000 Est. Cost $24.45 Unrealized -20.4%
ALIGOS THERAPEUTICS INC 0.0%
Value ($000) $1,081 Shares 91,044 Est. Cost $11.87 Unrealized
REPARE THERAPEUTICS INC 0.0%
Value ($000) $1,055 Shares 50,000 Est. Cost $31.02 Unrealized
TURMERIC ACQUISITION CORP 0.0%
Value ($000) $982 Shares 100,000 Est. Cost $9.77 Unrealized
VTV THERAPEUTICS INC 0.0%
Value ($000) $830 Shares 834,333 Est. Cost $0.99 Unrealized
CAREMAX INC 0.0%
Value ($000) $768 Shares 100,000 Est. Cost $12.90 Unrealized
GLUE MONTE ROSA THERAPEUTICS INC 0.0%
Value ($000) $768 Shares 37,593 Est. Cost $20.94 Unrealized 0.0%
BOLT BIOTHERAPEUTICS INC 0.0%
Value ($000) $735 Shares 150,000 Est. Cost $32.91 Unrealized
EUCRATES BIOMEDICAL ACQU COR 0.0%
Value ($000) $651 Shares 66,666 Est. Cost $9.98 Unrealized
FRAZIER LIFESCIENCES ACQU CO 0.0%
Value ($000) $650 Shares 66,665 Est. Cost $9.77 Unrealized
PCVX VAXCYTE INC 0.0%
Value ($000) $495 Shares 20,800 Est. Cost $23.26 Unrealized 0.0%
OMEGA ALPHA SPAC 0.0%
Value ($000) $489 Shares 50,000 Est. Cost $9.90 Unrealized
SRZNW SURROZEN INC 0.0%
Value ($000) $429 Shares 66,665 Est. Cost $7.07 Unrealized
TURMERIC ACQUISITION CORP 0.0%
Value ($000) $327 Shares 33,333 Est. Cost $9.78 Unrealized