EcoR1 Capital, LLC Quant / Systematic

Location: San Francisco, CA

CIK: 0001587114 · Show all filings

Period: Q1 2021 (← Previous) (Next →)

Filing Date: May 17, 2021

Total Value: $2.255B (100.0% shares, 0.0% debt)

Holdings (71)

PRTA PROTHENA CORP PLC 12.3%
Value $277M Shares 11,034,280 Est. Cost $10.53 Unrealized +78.7%
XNCR XENCOR INC 9.4%
Value $211M Shares 4,900,306 Est. Cost $34.08 Unrealized +39.0%
MORPHIC HLDG INC 8.4%
Value $190M Shares 2,999,315 Est. Cost $20.98 Unrealized
ANAB ANAPTYSBIO INC 6.8%
Value $154M Shares 7,151,624 Est. Cost $23.11 Unrealized +9.2%
NUVB NUVATION BIO INC 6.1%
Value $138M Shares 13,247,017 Est. Cost $11.18 Unrealized 0.0%
RLAY RELAY THERAPEUTICS INC 5.3%
Value $119M Shares 3,429,363 Est. Cost $38.48 Unrealized +12.8%
SPRY SILVERBACK THERAPEUTICS INC 4.9%
Value $111M Shares 2,533,635 Est. Cost $33.40 Unrealized +41.7%
KURA KURA ONCOLOGY INC 4.6%
Value $104M Shares 3,692,637 Est. Cost $22.14 Unrealized +42.9%
MIRATI THERAPEUTICS INC 3.5%
Value $79.53M Shares 464,298 Est. Cost $97.40 Unrealized
ORIC ORIC PHARMACEUTICALS INC 3.4%
Value $75.76M Shares 3,092,218 Est. Cost $31.45 Unrealized +0.5%
STTK SHATTUCK LABS INC 3.2%
Value $71.88M Shares 2,458,259 Est. Cost $32.14 Unrealized +30.7%
NRIX NURIX THERAPEUTICS INC 2.8%
Value $62.77M Shares 2,019,019 Est. Cost $29.56 Unrealized +28.0%
RCUS ARCUS BIOSCIENCES INC 2.7%
Value $61.66M Shares 2,195,892 Est. Cost $24.83 Unrealized +40.2%
SOLID BIOSCIENCES INC 2.3%
Value $50.89M Shares 9,202,702 Est. Cost $7.31 Unrealized
RNAM AVIDITY BIOSCIENCES INC 2.0%
Value $45.89M Shares 2,103,950 Est. Cost $28.83 Unrealized -15.1%
EWTX EDGEWISE THERAPEUTICS INC 1.8%
Value $39.79M Shares 1,224,175 Est. Cost $32.43 Unrealized 0.0%
NEOLEUKIN THERAPEUTICS INC 1.7%
Value $38.44M Shares 3,122,704 Est. Cost $7.28 Unrealized
ATRECA INC 1.6%
Value $37.2M Shares 2,426,685 Est. Cost $17.34 Unrealized
DSGN DESIGN THERAPEUTICS INC 1.5%
Value $34.02M Shares 1,137,940 Est. Cost $31.14 Unrealized 0.0%
GRITSTONE ONCOLOGY INC 1.4%
Value $32.26M Shares 3,421,287 Est. Cost $3.94 Unrealized
ACIU AC IMMUNE SA 1.2%
Value $27.76M Shares 3,648,163 Est. Cost $5.79 Unrealized +23.2%
AKOUOS INC 1.2%
Value $27.41M Shares 1,975,984 Est. Cost $22.50 Unrealized
OVID OVID THERAPEUTICS INC 1.1%
Value $24.45M Shares 6,082,200 Est. Cost $3.32 Unrealized 0.0%
ARVN ARVINAS INC 0.9%
Value $21.07M Shares 318,704 Est. Cost $76.50 Unrealized 0.0%
CHINOOK THERAPEUTICS INC 0.9%
Value $19.43M Shares 1,250,001 Est. Cost $15.86 Unrealized
ALEC ALECTOR INC 0.5%
Value $12.14M Shares 602,600 Est. Cost $17.93 Unrealized 0.0%
ELDN ELEDON PHARMACEUTICALS INC 0.5%
Value $11.94M Shares 1,115,721 Est. Cost $15.09 Unrealized 0.0%
KRONOS BIO INC 0.5%
Value $11.34M Shares 387,357 Est. Cost $29.87 Unrealized
APPLIED MOLECULAR TRANS INC 0.5%
Value $10.54M Shares 239,443 Est. Cost $25.14 Unrealized
ALLOVIR INC 0.5%
Value $10.46M Shares 447,012 Est. Cost $27.50 Unrealized
NUVATION BIO INC 0.4%
Value $10.07M Shares 963,333 Est. Cost $10.45 Unrealized
TRANSLATE BIO INC 0.4%
Value $9.843M Shares 596,900 Est. Cost $16.49 Unrealized
BCTG ACQUISITION CORP 0.4%
Value $8.896M Shares 800,000 Est. Cost $10.36 Unrealized
ITEOS THERAPEUTICS INC 0.4%
Value $8.887M Shares 260,000 Est. Cost $24.67 Unrealized
ALPINE IMMUNE SCIENCES INC 0.3%
Value $7.858M Shares 741,290 Est. Cost $8.79 Unrealized
SYROS PHARMACEUTICALS INC 0.3%
Value $7.48M Shares 1,000,000 Est. Cost $10.85 Unrealized
CCCC C4 THERAPEUTICS INC 0.3%
Value $7.398M Shares 200,000 Est. Cost $29.00 Unrealized +37.2%
MAGENTA THERAPEUTICS INC 0.3%
Value $6.587M Shares 556,354 Est. Cost $11.84 Unrealized
PRTA PROTHENA CORP PLC 0.3%
Value $6.28M Shares 250,000 Est. Cost $10.53 Unrealized +78.7%
LOGICBIO THERAPEUTICS INC 0.2%
Value $5.014M Shares 688,700 Est. Cost $7.63 Unrealized
BOLT BIOTHERAPEUTICS INC 0.2%
Value $4.937M Shares 150,000 Est. Cost $32.91 Unrealized
JIYA ACQUISITION CORP 0.2%
Value $4.92M Shares 500,000 Est. Cost $10.30 Unrealized
CYCLERION THERAPEUTICS INC 0.2%
Value $4.482M Shares 1,606,276 Est. Cost $5.17 Unrealized
HEALTH SCIENCES ACQ CORP 2 0.2%
Value $4.476M Shares 400,000 Est. Cost $11.00 Unrealized
NGM BIOPHARMACEUTICALS INC 0.2%
Value $4.173M Shares 143,567 Est. Cost $30.29 Unrealized
KYMR KYMERA THERAPEUTICS INC 0.2%
Value $3.886M Shares 100,000 Est. Cost $30.53 Unrealized +97.2%
DYN DYNE THERAPEUTICS INC 0.1%
Value $3.339M Shares 215,000 Est. Cost $21.96 Unrealized -11.9%
VINCERX PHARMA INC 0.1%
Value $2.895M Shares 150,000 Est. Cost $20.91 Unrealized
AERPIO PHARMACEUTICALS INC 0.1%
Value $2.674M Shares 2,072,782 Est. Cost $1.29 Unrealized
BCAB BIOATLA INC 0.1%
Value $2.542M Shares 50,000 Est. Cost $33.43 Unrealized +53.3%
BCLS ACQUISITION CORP 0.1%
Value $2.114M Shares 200,000 Est. Cost $11.14 Unrealized
MLTX HELIX ACQUISITION CORP 0.1%
Value $2.04M Shares 200,000 Est. Cost $11.37 Unrealized
FRAZIER LIFESCIENCES ACQU CO 0.1%
Value $2.032M Shares 200,000 Est. Cost $10.38 Unrealized
5 01 ACQUISITION CORP 0.1%
Value $1.998M Shares 200,000 Est. Cost $10.17 Unrealized
EUCRATES BIOMEDICAL ACQU COR 0.1%
Value $1.996M Shares 200,000 Est. Cost $9.98 Unrealized
CONSONANCE HFW ACQUISITION C 0.1%
Value $1.952M Shares 200,000 Est. Cost $10.47 Unrealized
CODIAK BIOSCIENCES INC 0.1%
Value $1.737M Shares 115,195 Est. Cost $32.30 Unrealized
PMVP PMV PHARMACEUTICALS INC 0.1%
Value $1.645M Shares 50,000 Est. Cost $36.80 Unrealized +7.1%
ARYA SCIENCES ACQU CORP IV 0.1%
Value $1.571M Shares 150,000 Est. Cost $10.47 Unrealized
REPARE THERAPEUTICS INC 0.1%
Value $1.535M Shares 50,000 Est. Cost $31.02 Unrealized
FS DEVELOPMENT CORP II 0.1%
Value $1.494M Shares 150,000 Est. Cost $9.96 Unrealized
MGTX MEIRAGTX HLDGS PLC 0.1%
Value $1.368M Shares 94,819 Est. Cost $16.89 Unrealized -7.5%
DEERFIELD HEALTHCARE TECH AC 0.1%
Value $1.212M Shares 100,000 Est. Cost $15.60 Unrealized
TURMERIC ACQUISITION CORP 0.0%
Value $977K Shares 100,000 Est. Cost $9.77 Unrealized
KINNATE BIOPHARMA INC 0.0%
Value $779K Shares 25,000 Est. Cost $39.80 Unrealized
EUCRATES BIOMEDICAL ACQU COR 0.0%
Value $665K Shares 66,666 Est. Cost $9.98 Unrealized
LIFESCI ACQUISITION II CORP 0.0%
Value $573K Shares 56,500 Est. Cost $10.67 Unrealized
F-STAR THERAPEUTICS INC 0.0%
Value $498K Shares 46,000 Est. Cost $10.83 Unrealized
OMEGA ALPHA SPAC 0.0%
Value $495K Shares 50,000 Est. Cost $9.90 Unrealized
METACRINE INC 0.0%
Value $386K Shares 62,207 Est. Cost $10.21 Unrealized
TURMERIC ACQUISITION CORP 0.0%
Value $326K Shares 33,333 Est. Cost $9.78 Unrealized