EcoR1 Capital, LLC Quant / Systematic

CIK: 0001587114 · Show all filings

Period: Q1 2021 (← Previous) (Next →)

Filing Date: May 17, 2021

Total Value ($000): $2,254,663 (100.0% shares, 0.0% debt)

Holdings (71)

PRTA PROTHENA CORP PLC 12.3%
Value ($000) $277,181 Shares 11,034,280 Est. Cost $10.53 Unrealized +78.7%
XNCR XENCOR INC 9.4%
Value ($000) $211,007 Shares 4,900,306 Est. Cost $34.08 Unrealized +39.0%
MORPHIC HLDG INC 8.4%
Value ($000) $189,797 Shares 2,999,315 Est. Cost $20.98 Unrealized
ANAB ANAPTYSBIO INC 6.8%
Value ($000) $154,117 Shares 7,151,624 Est. Cost $23.11 Unrealized +9.2%
NUVB NUVATION BIO INC 6.1%
Value ($000) $138,431 Shares 13,247,017 Est. Cost $11.18 Unrealized 0.0%
RLAY RELAY THERAPEUTICS INC 5.3%
Value ($000) $118,553 Shares 3,429,363 Est. Cost $38.48 Unrealized +12.8%
SPRY SILVERBACK THERAPEUTICS INC 4.9%
Value ($000) $110,542 Shares 2,533,635 Est. Cost $33.40 Unrealized +41.7%
KURA KURA ONCOLOGY INC 4.6%
Value ($000) $104,391 Shares 3,692,637 Est. Cost $22.14 Unrealized +42.9%
MIRATI THERAPEUTICS INC 3.5%
Value ($000) $79,534 Shares 464,298 Est. Cost $97.40 Unrealized
ORIC ORIC PHARMACEUTICALS INC 3.4%
Value ($000) $75,759 Shares 3,092,218 Est. Cost $31.45 Unrealized +0.5%
STTK SHATTUCK LABS INC 3.2%
Value ($000) $71,879 Shares 2,458,259 Est. Cost $32.14 Unrealized +30.7%
NRIX NURIX THERAPEUTICS INC 2.8%
Value ($000) $62,771 Shares 2,019,019 Est. Cost $29.56 Unrealized +28.0%
RCUS ARCUS BIOSCIENCES INC 2.7%
Value ($000) $61,661 Shares 2,195,892 Est. Cost $24.83 Unrealized +40.2%
SOLID BIOSCIENCES INC 2.3%
Value ($000) $50,891 Shares 9,202,702 Est. Cost $7.31 Unrealized
RNAM AVIDITY BIOSCIENCES INC 2.0%
Value ($000) $45,887 Shares 2,103,950 Est. Cost $28.83 Unrealized -15.1%
EWTX EDGEWISE THERAPEUTICS INC 1.8%
Value ($000) $39,786 Shares 1,224,175 Est. Cost $32.43 Unrealized 0.0%
NEOLEUKIN THERAPEUTICS INC 1.7%
Value ($000) $38,440 Shares 3,122,704 Est. Cost $7.28 Unrealized
ATRECA INC 1.6%
Value ($000) $37,201 Shares 2,426,685 Est. Cost $17.34 Unrealized
DSGN DESIGN THERAPEUTICS INC 1.5%
Value ($000) $34,024 Shares 1,137,940 Est. Cost $31.14 Unrealized 0.0%
GRITSTONE ONCOLOGY INC 1.4%
Value ($000) $32,263 Shares 3,421,287 Est. Cost $3.94 Unrealized
ACIU AC IMMUNE SA 1.2%
Value ($000) $27,763 Shares 3,648,163 Est. Cost $5.79 Unrealized +23.2%
AKOUOS INC 1.2%
Value ($000) $27,407 Shares 1,975,984 Est. Cost $22.50 Unrealized
OVID OVID THERAPEUTICS INC 1.1%
Value ($000) $24,450 Shares 6,082,200 Est. Cost $3.32 Unrealized 0.0%
ARVN ARVINAS INC 0.9%
Value ($000) $21,066 Shares 318,704 Est. Cost $76.50 Unrealized 0.0%
CHINOOK THERAPEUTICS INC 0.9%
Value ($000) $19,425 Shares 1,250,001 Est. Cost $15.86 Unrealized
ALEC ALECTOR INC 0.5%
Value ($000) $12,136 Shares 602,600 Est. Cost $17.93 Unrealized 0.0%
ELDN ELEDON PHARMACEUTICALS INC 0.5%
Value ($000) $11,938 Shares 1,115,721 Est. Cost $15.09 Unrealized 0.0%
KRONOS BIO INC 0.5%
Value ($000) $11,338 Shares 387,357 Est. Cost $29.87 Unrealized
APPLIED MOLECULAR TRANS INC 0.5%
Value ($000) $10,538 Shares 239,443 Est. Cost $25.14 Unrealized
ALLOVIR INC 0.5%
Value ($000) $10,460 Shares 447,012 Est. Cost $27.50 Unrealized
NUVATION BIO INC 0.4%
Value ($000) $10,067 Shares 963,333 Est. Cost $10.45 Unrealized
TRANSLATE BIO INC 0.4%
Value ($000) $9,843 Shares 596,900 Est. Cost $16.49 Unrealized
BCTG ACQUISITION CORP 0.4%
Value ($000) $8,896 Shares 800,000 Est. Cost $10.36 Unrealized
ITEOS THERAPEUTICS INC 0.4%
Value ($000) $8,887 Shares 260,000 Est. Cost $24.67 Unrealized
ALPINE IMMUNE SCIENCES INC 0.3%
Value ($000) $7,858 Shares 741,290 Est. Cost $8.79 Unrealized
SYROS PHARMACEUTICALS INC 0.3%
Value ($000) $7,480 Shares 1,000,000 Est. Cost $10.85 Unrealized
CCCC C4 THERAPEUTICS INC 0.3%
Value ($000) $7,398 Shares 200,000 Est. Cost $29.00 Unrealized +37.2%
MAGENTA THERAPEUTICS INC 0.3%
Value ($000) $6,587 Shares 556,354 Est. Cost $11.84 Unrealized
PRTA PROTHENA CORP PLC 0.3%
Value ($000) $6,280 Shares 250,000 Est. Cost $10.53 Unrealized +78.7%
LOGICBIO THERAPEUTICS INC 0.2%
Value ($000) $5,014 Shares 688,700 Est. Cost $7.63 Unrealized
BOLT BIOTHERAPEUTICS INC 0.2%
Value ($000) $4,937 Shares 150,000 Est. Cost $32.91 Unrealized
JIYA ACQUISITION CORP 0.2%
Value ($000) $4,920 Shares 500,000 Est. Cost $10.30 Unrealized
CYCLERION THERAPEUTICS INC 0.2%
Value ($000) $4,482 Shares 1,606,276 Est. Cost $5.17 Unrealized
HEALTH SCIENCES ACQ CORP 2 0.2%
Value ($000) $4,476 Shares 400,000 Est. Cost $11.00 Unrealized
NGM BIOPHARMACEUTICALS INC 0.2%
Value ($000) $4,173 Shares 143,567 Est. Cost $30.29 Unrealized
KYMR KYMERA THERAPEUTICS INC 0.2%
Value ($000) $3,886 Shares 100,000 Est. Cost $30.53 Unrealized +97.2%
DYN DYNE THERAPEUTICS INC 0.1%
Value ($000) $3,339 Shares 215,000 Est. Cost $21.96 Unrealized -11.9%
VINCERX PHARMA INC 0.1%
Value ($000) $2,895 Shares 150,000 Est. Cost $20.91 Unrealized
AERPIO PHARMACEUTICALS INC 0.1%
Value ($000) $2,674 Shares 2,072,782 Est. Cost $1.29 Unrealized
BCAB BIOATLA INC 0.1%
Value ($000) $2,542 Shares 50,000 Est. Cost $33.43 Unrealized +53.3%
BCLS ACQUISITION CORP 0.1%
Value ($000) $2,114 Shares 200,000 Est. Cost $11.14 Unrealized
MLTX HELIX ACQUISITION CORP 0.1%
Value ($000) $2,040 Shares 200,000 Est. Cost $11.37 Unrealized
FRAZIER LIFESCIENCES ACQU CO 0.1%
Value ($000) $2,032 Shares 200,000 Est. Cost $10.38 Unrealized
5 01 ACQUISITION CORP 0.1%
Value ($000) $1,998 Shares 200,000 Est. Cost $10.17 Unrealized
EUCRATES BIOMEDICAL ACQU COR 0.1%
Value ($000) $1,996 Shares 200,000 Est. Cost $9.98 Unrealized
CONSONANCE HFW ACQUISITION C 0.1%
Value ($000) $1,952 Shares 200,000 Est. Cost $10.47 Unrealized
CODIAK BIOSCIENCES INC 0.1%
Value ($000) $1,737 Shares 115,195 Est. Cost $32.30 Unrealized
PMVP PMV PHARMACEUTICALS INC 0.1%
Value ($000) $1,645 Shares 50,000 Est. Cost $36.80 Unrealized +7.1%
ARYA SCIENCES ACQU CORP IV 0.1%
Value ($000) $1,571 Shares 150,000 Est. Cost $10.47 Unrealized
REPARE THERAPEUTICS INC 0.1%
Value ($000) $1,535 Shares 50,000 Est. Cost $31.02 Unrealized
FS DEVELOPMENT CORP II 0.1%
Value ($000) $1,494 Shares 150,000 Est. Cost $9.96 Unrealized
MGTX MEIRAGTX HLDGS PLC 0.1%
Value ($000) $1,368 Shares 94,819 Est. Cost $16.89 Unrealized -7.5%
DEERFIELD HEALTHCARE TECH AC 0.1%
Value ($000) $1,212 Shares 100,000 Est. Cost $15.60 Unrealized
TURMERIC ACQUISITION CORP 0.0%
Value ($000) $977 Shares 100,000 Est. Cost $9.77 Unrealized
KINNATE BIOPHARMA INC 0.0%
Value ($000) $779 Shares 25,000 Est. Cost $39.80 Unrealized
EUCRATES BIOMEDICAL ACQU COR 0.0%
Value ($000) $665 Shares 66,666 Est. Cost $9.98 Unrealized
LIFESCI ACQUISITION II CORP 0.0%
Value ($000) $573 Shares 56,500 Est. Cost $10.67 Unrealized
F-STAR THERAPEUTICS INC 0.0%
Value ($000) $498 Shares 46,000 Est. Cost $10.83 Unrealized
OMEGA ALPHA SPAC 0.0%
Value ($000) $495 Shares 50,000 Est. Cost $9.90 Unrealized
METACRINE INC 0.0%
Value ($000) $386 Shares 62,207 Est. Cost $10.21 Unrealized
TURMERIC ACQUISITION CORP 0.0%
Value ($000) $326 Shares 33,333 Est. Cost $9.78 Unrealized