EcoR1 Capital, LLC Quant / Systematic

Location: San Francisco, CA

CIK: 0001587114 · Show all filings

Period: Q4 2020 (← Previous) (Next →)

Filing Date: Feb 16, 2021

Total Value: $1.86B (98.5% shares, 1.5% debt)

Holdings (66)

XNCR XENCOR INC 10.7%
Value $198M Shares 4,547,072 Est. Cost $33.05 Unrealized +25.1%
RLAY RELAY THERAPEUTICS INC 7.2%
Value $133M Shares 3,200,649 Est. Cost $38.13 Unrealized +18.6%
STTK SHATTUCK LABS INC 6.9%
Value $129M Shares 2,456,854 Est. Cost $32.14 Unrealized 0.0%
SPRY SILVERBACK THERAPEUTICS INC 6.3%
Value $117M Shares 2,533,635 Est. Cost $33.40 Unrealized 0.0%
PRTA PROTHENA CORP PLC 6.1%
Value $113M Shares 9,426,640 Est. Cost $9.11 Unrealized +29.8%
ORIC ORIC PHARMACEUTICALS INC 5.6%
Value $105M Shares 3,092,218 Est. Cost $31.45 Unrealized -8.8%
MIRATI THERAPEUTICS INC 5.5%
Value $102M Shares 464,298 Est. Cost $97.40 Unrealized
MORPHIC HLDG INC 5.1%
Value $95.28M Shares 2,839,884 Est. Cost $18.60 Unrealized
ANAB ANAPTYSBIO INC 3.7%
Value $69.3M Shares 3,223,324 Est. Cost $20.51 Unrealized +18.4%
BIIB BIOGEN INC 3.3%
Value $62.22M Shares 254,100 Est. Cost Unrealized
SOLID BIOSCIENCES INC 3.3%
Value $60.47M Shares 7,977,702 Est. Cost $7.58 Unrealized
KURA KURA ONCOLOGY INC 3.1%
Value $57.91M Shares 1,773,037 Est. Cost $11.86 Unrealized +196.3%
RCUS ARCUS BIOSCIENCES INC 3.1%
Value $57.01M Shares 2,195,892 Est. Cost $24.83 Unrealized -2.5%
RNAM AVIDITY BIOSCIENCES INC 2.9%
Value $53.69M Shares 2,103,950 Est. Cost $28.83 Unrealized +1.1%
NRIX NURIX THERAPEUTICS INC 2.7%
Value $50.77M Shares 1,544,019 Est. Cost $27.01 Unrealized +22.7%
NEOLEUKIN THERAPEUTICS INC 2.4%
Value $44.03M Shares 3,122,704 Est. Cost $7.28 Unrealized
ATRECA INC 2.1%
Value $39.19M Shares 2,426,685 Est. Cost $17.34 Unrealized
AKOUOS INC 2.1%
Value $39.18M Shares 1,975,984 Est. Cost $22.50 Unrealized
APPLIED MOLECULAR TRANS INC 1.9%
Value $35.39M Shares 1,150,000 Est. Cost $25.14 Unrealized
GERN GERON CORP 1.6%
Value $30.11M Shares 18,939,925 Est. Cost $1.49 Unrealized +21.9%
GOSSAMER BIO INC 1.5%
Value $27.18M Shares 30,000,000 Est. Cost $1.03 Unrealized
CHINOOK THERAPEUTICS INC 1.1%
Value $19.82M Shares 1,250,001 Est. Cost $15.86 Unrealized
ALLOVIR INC 0.9%
Value $17.18M Shares 447,012 Est. Cost $27.50 Unrealized
GRITSTONE ONCOLOGY INC 0.7%
Value $13.48M Shares 3,421,287 Est. Cost $3.94 Unrealized
ACIU AC IMMUNE SA 0.7%
Value $12.46M Shares 2,410,240 Est. Cost $5.10 Unrealized 0.0%
KRONOS BIO INC 0.6%
Value $11.57M Shares 387,357 Est. Cost $29.87 Unrealized
SYROS PHARMACEUTICALS INC 0.6%
Value $10.85M Shares 1,000,000 Est. Cost $10.85 Unrealized
VINCERA PHARMA INC 0.5%
Value $10.05M Shares 480,505 Est. Cost $20.91 Unrealized
ACRS ACLARIS THERAPEUTICS INC 0.5%
Value $9.768M Shares 1,509,812 Est. Cost $1.66 Unrealized +154.5%
ALPINE IMMUNE SCIENCES INC 0.5%
Value $9.34M Shares 741,290 Est. Cost $8.79 Unrealized
BCTG ACQUISITION CORP 0.5%
Value $9.152M Shares 800,000 Est. Cost $10.36 Unrealized
ITEOS THERAPEUTICS INC 0.5%
Value $8.793M Shares 260,000 Est. Cost $24.67 Unrealized
DEERFIELD HEALTHCARE TECH AC 0.4%
Value $7.513M Shares 481,600 Est. Cost $15.60 Unrealized
CEREVEL THERAPEUTICS HLDNG I 0.4%
Value $6.632M Shares 400,000 Est. Cost $16.58 Unrealized
CCCC C4 THERAPEUTICS INC 0.4%
Value $6.626M Shares 200,000 Est. Cost $29.00 Unrealized 0.0%
KYMR KYMERA THERAPEUTICS INC 0.3%
Value $6.2M Shares 100,000 Est. Cost $30.53 Unrealized +59.8%
LOGICBIO THERAPEUTICS INC 0.3%
Value $5.913M Shares 775,000 Est. Cost $7.63 Unrealized
JIYA ACQUISITION CORP 0.3%
Value $5.15M Shares 500,000 Est. Cost $10.30 Unrealized
HEALTH SCIENCES ACQ CORP 2 ORD 0.3%
Value $5.124M Shares 400,000 Est. Cost $11.00 Unrealized
PANACEA ACQUISITION CORP 0.3%
Value $4.977M Shares 390,000 Est. Cost $12.00 Unrealized
CYCLERION THERAPEUTICS INC 0.3%
Value $4.915M Shares 1,606,276 Est. Cost $5.17 Unrealized
GLPG GALAPAGOS NV 0.2%
Value $4.619M Shares 46,666 Est. Cost $98.98 Unrealized
DYN DYNE THERAPEUTICS INC 0.2%
Value $4.515M Shares 215,000 Est. Cost $21.96 Unrealized -9.9%
NGM BIOPHARMACEUTICALS INC 0.2%
Value $4.349M Shares 143,567 Est. Cost $30.29 Unrealized
CODIAK BIOSCIENCES INC 0.2%
Value $3.721M Shares 115,195 Est. Cost $32.30 Unrealized
VINCERA PHARMA INC 0.2%
Value $3.137M Shares 150,000 Est. Cost $20.91 Unrealized
PMVP PMV PHARMACEUTICALS INC 0.2%
Value $3.076M Shares 50,000 Est. Cost $36.80 Unrealized +6.6%
GOSS GOSSAMER BIO INC 0.2%
Value $2.845M Shares 294,221 Est. Cost $9.85 Unrealized 0.0%
METACRINE INC 0.1%
Value $2.62M Shares 333,332 Est. Cost $10.21 Unrealized
MLTX HELIX ACQUISITION CORP 0.1%
Value $2.274M Shares 200,000 Est. Cost $11.37 Unrealized
BCLS ACQUISITION CORP 0.1%
Value $2.228M Shares 200,000 Est. Cost $11.14 Unrealized
LIFESCI ACQUISITION II CORP 0.1%
Value $2.134M Shares 200,000 Est. Cost $10.67 Unrealized
EUCRATES BIOMEDICAL ACQU COR 0.1%
Value $2.132M Shares 200,000 Est. Cost $10.66 Unrealized
CONSONANCE HFW ACQUISITION C 0.1%
Value $2.094M Shares 200,000 Est. Cost $10.47 Unrealized
FRAZIER LIFESCIENCES ACQU CO 0.1%
Value $2.076M Shares 200,000 Est. Cost $10.38 Unrealized
5 01 ACQUISITION CORP 0.1%
Value $2.034M Shares 200,000 Est. Cost $10.17 Unrealized
SUTRO BIOPHARMA INC 0.1%
Value $2.028M Shares 93,416 Est. Cost $8.71 Unrealized
REPARE THERAPEUTICS INC 0.1%
Value $1.715M Shares 50,000 Est. Cost $31.02 Unrealized
BCAB BIOATLA INC 0.1%
Value $1.701M Shares 50,000 Est. Cost $33.43 Unrealized 0.0%
DEERFIELD HEALTHCARE TECH AC 0.1%
Value $1.56M Shares 100,000 Est. Cost $15.60 Unrealized
MGTX MEIRAGTX HLDGS PLC 0.1%
Value $1.436M Shares 94,819 Est. Cost $16.89 Unrealized -16.3%
TURMERIC ACQUISITION CORP 0.1%
Value $1.027M Shares 100,000 Est. Cost $10.27 Unrealized
KINNATE BIOPHARMA INC 0.1%
Value $995K Shares 25,000 Est. Cost $39.80 Unrealized
INTERCEPT PHARMACEUTICALS IN 0.0%
Value $625K Shares 25,300 Est. Cost Unrealized
SURFACE ONCOLOGY INC 0.0%
Value $449K Shares 48,558 Est. Cost $7.49 Unrealized
ASSEMBLY BIOSCIENCES INC 0.0%
Value $108K Shares 17,800 Est. Cost $20.28 Unrealized