EcoR1 Capital, LLC Quant / Systematic

Location: San Francisco, CA

CIK: 0001587114 · Show all filings

Period: Q3 2021 (← Previous) (Next →)

Filing Date: Nov 22, 2021

Total Value: $2.874B (100.0% shares, 0.0% debt)

Holdings (71)

PRTA PROTHENA CORP PLC 28.0%
Value $804M Shares 11,284,280 Est. Cost $10.98 Unrealized +465.4%
MORPHIC HLDG INC 7.8%
Value $224M Shares 3,951,566 Est. Cost $29.75 Unrealized
ANAB ANAPTYSBIO INC 7.1%
Value $204M Shares 7,521,024 Est. Cost $23.15 Unrealized +9.6%
RCUS ARCUS BIOSCIENCES INC 6.2%
Value $179M Shares 5,122,359 Est. Cost $27.85 Unrealized +11.7%
XNCR XENCOR INC 5.6%
Value $160M Shares 4,906,106 Est. Cost $34.08 Unrealized -3.6%
NUVB NUVATION BIO INC 4.7%
Value $136M Shares 13,711,517 Est. Cost $11.19 Unrealized -19.0%
ALEC ALECTOR INC 4.0%
Value $114M Shares 4,994,970 Est. Cost $20.12 Unrealized +39.2%
MIRATI THERAPEUTICS INC 2.9%
Value $82.14M Shares 464,298 Est. Cost $97.40 Unrealized
GLPG GALAPAGOS NV 2.9%
Value $82.01M Shares 1,558,749 Est. Cost $52.61 Unrealized
STTK SHATTUCK LABS INC 2.6%
Value $75.59M Shares 3,709,072 Est. Cost $30.34 Unrealized -29.5%
ORIC ORIC PHARMACEUTICALS INC 2.5%
Value $72.54M Shares 3,468,944 Est. Cost $30.24 Unrealized -33.0%
KURA KURA ONCOLOGY INC 2.4%
Value $69.76M Shares 3,724,437 Est. Cost $22.14 Unrealized -14.9%
RNAM AVIDITY BIOSCIENCES INC 2.4%
Value $67.97M Shares 2,759,505 Est. Cost $27.15 Unrealized -19.9%
GRITSTONE BIO INC 2.1%
Value $60.06M Shares 5,560,748 Est. Cost $6.58 Unrealized
RLAY RELAY THERAPEUTICS INC 1.5%
Value $43.68M Shares 1,385,276 Est. Cost $37.18 Unrealized -9.5%
ITEOS THERAPEUTICS INC 1.2%
Value $35.19M Shares 1,303,157 Est. Cost $25.73 Unrealized
NRIX NURIX THERAPEUTICS INC 1.2%
Value $33.75M Shares 1,126,640 Est. Cost $29.56 Unrealized +4.4%
JANX JANUX THERAPEUTICS INC 1.1%
Value $30.54M Shares 1,411,975 Est. Cost $22.27 Unrealized +29.2%
DSGN DESIGN THERAPEUTICS INC 1.0%
Value $27.37M Shares 1,863,098 Est. Cost $26.06 Unrealized -36.2%
BLUEPRINT MEDICINES CORP 0.9%
Value $25.93M Shares 250,000 Est. Cost Unrealized
PTGX PROTAGONIST THERAPEUTICS INC 0.9%
Value $25.58M Shares 1,443,800 Est. Cost $42.63 Unrealized 0.0%
DICERNA PHARMACEUTICALS INC 0.9%
Value $25.2M Shares 1,249,812 Est. Cost $20.16 Unrealized
AKOUOS INC 0.8%
Value $22.94M Shares 1,975,984 Est. Cost $22.50 Unrealized
SOLID BIOSCIENCES INC 0.8%
Value $21.99M Shares 9,202,702 Est. Cost $7.31 Unrealized
EWTX EDGEWISE THERAPEUTICS INC 0.7%
Value $21.23M Shares 1,279,175 Est. Cost $31.81 Unrealized -43.1%
OVID OVID THERAPEUTICS INC 0.7%
Value $20.44M Shares 6,082,200 Est. Cost $3.32 Unrealized +9.8%
TNGX TANGO THERAPEUTICS INC 0.6%
Value $16.81M Shares 1,300,000 Est. Cost $11.99 Unrealized 0.0%
BLUEBIRD BIO INC 0.5%
Value $15.34M Shares 802,507 Est. Cost $19.11 Unrealized
ERAS ERASCA INC 0.5%
Value $14.85M Shares 700,000 Est. Cost $20.63 Unrealized 0.0%
CNTA CENTESSA PHARMACEUTICALS PLC 0.4%
Value $12.6M Shares 754,545 Est. Cost $22.21 Unrealized
SPRY SILVERBACK THERAPEUTICS INC 0.4%
Value $11.82M Shares 1,184,710 Est. Cost $33.36 Unrealized -26.1%
ODONATE THERAPEUTICS INC 0.4%
Value $10.85M Shares 3,727,261 Est. Cost $3.04 Unrealized
CRVS CORVUS PHARMACEUTICALS INC 0.4%
Value $10.07M Shares 2,081,077 Est. Cost $2.75 Unrealized +7.5%
IMVT IMMUNOVANT INC 0.3%
Value $9.914M Shares 1,140,819 Est. Cost $9.02 Unrealized 0.0%
NUVATION BIO INC 0.3%
Value $9.576M Shares 963,333 Est. Cost $10.45 Unrealized
CCCC C4 THERAPEUTICS INC 0.3%
Value $8.936M Shares 200,000 Est. Cost $29.00 Unrealized +47.7%
KRONOS BIO INC 0.3%
Value $8.119M Shares 387,357 Est. Cost $29.87 Unrealized
NEOLEUKIN THERAPEUTICS INC 0.2%
Value $6.222M Shares 860,619 Est. Cost $7.28 Unrealized
FRAZIER LIFESCIENCES ACQU CO 0.2%
Value $5.77M Shares 587,615 Est. Cost $9.80 Unrealized
ACIU AC IMMUNE SA 0.2%
Value $5.041M Shares 751,251 Est. Cost $5.79 Unrealized +23.6%
NGM BIOPHARMACEUTICALS INC 0.2%
Value $5M Shares 245,000 Est. Cost $30.29 Unrealized
CYCLERION THERAPEUTICS INC 0.2%
Value $4.931M Shares 1,606,276 Est. Cost $5.17 Unrealized
JIYA ACQUISITION CORP 0.2%
Value $4.875M Shares 500,000 Est. Cost $10.30 Unrealized
VERVE THERAPEUTICS INC 0.2%
Value $4.7M Shares 100,000 Est. Cost $60.25 Unrealized
KINNATE BIOPHARMA INC 0.1%
Value $4.029M Shares 175,000 Est. Cost $25.42 Unrealized
HEALTH SCIENCES ACQ CORP 2 ORD 0.1%
Value $3.956M Shares 400,000 Est. Cost $11.00 Unrealized
FS DEVELOPMENT CORP II 0.1%
Value $3.692M Shares 371,014 Est. Cost $9.95 Unrealized
DYN DYNE THERAPEUTICS INC 0.1%
Value $3.569M Shares 215,000 Est. Cost $21.96 Unrealized -19.3%
IGM BIOSCIENCES INC 0.1%
Value $2.501M Shares 38,030 Est. Cost $83.20 Unrealized
FORMA THERAPEUTICS HLDGS INC 0.1%
Value $2.09M Shares 90,141 Est. Cost $24.89 Unrealized
BCLS ACQUISITION CORP 0.1%
Value $1.992M Shares 200,000 Est. Cost $11.14 Unrealized
MLTX HELIX ACQUISITION CORP 0.1%
Value $1.99M Shares 200,000 Est. Cost $11.37 Unrealized
5 01 ACQUISITION CORP 0.1%
Value $1.964M Shares 200,000 Est. Cost $10.17 Unrealized
EUCRATES BIOMEDICAL ACQU COR 0.1%
Value $1.956M Shares 200,000 Est. Cost $9.98 Unrealized
BOLT BIOTHERAPEUTICS INC 0.1%
Value $1.848M Shares 150,000 Est. Cost $32.91 Unrealized
CRBU CARIBOU BIOSCIENCES INC 0.1%
Value $1.79M Shares 75,000 Est. Cost $24.45 Unrealized 0.0%
ARYA SCIENCES ACQU CORP IV 0.1%
Value $1.508M Shares 150,000 Est. Cost $10.47 Unrealized
PMVP PMV PHARMACEUTICALS INC 0.1%
Value $1.49M Shares 50,000 Est. Cost $36.80 Unrealized -13.2%
BCAB BIOATLA INC 0.1%
Value $1.472M Shares 50,000 Est. Cost $33.43 Unrealized +16.6%
REPARE THERAPEUTICS INC 0.0%
Value $1.286M Shares 50,000 Est. Cost $31.02 Unrealized
MGTX MEIRAGTX HLDGS PLC 0.0%
Value $1.25M Shares 94,819 Est. Cost $16.89 Unrealized -18.9%
VYGR VOYAGER THERAPEUTICS INC 0.0%
Value $1.173M Shares 445,992 Est. Cost $2.63 Unrealized
CAREMAX INC 0.0%
Value $986K Shares 100,000 Est. Cost $12.90 Unrealized
TURMERIC ACQUISITION CORP 0.0%
Value $979K Shares 100,000 Est. Cost $9.77 Unrealized
FRAZIER LIFESCIENCES ACQU CO 0.0%
Value $655K Shares 66,665 Est. Cost $9.77 Unrealized
EUCRATES BIOMEDICAL ACQU COR 0.0%
Value $652K Shares 66,666 Est. Cost $9.98 Unrealized
OMEGA ALPHA SPAC 0.0%
Value $487K Shares 50,000 Est. Cost $9.90 Unrealized
SRZNW SURROZEN INC 0.0%
Value $471K Shares 66,665 Est. Cost $7.07 Unrealized
TURMERIC ACQUISITION CORP 0.0%
Value $326K Shares 33,333 Est. Cost $9.78 Unrealized
SRRK SCHOLAR ROCK HLDG CORP 0.0%
Value $271K Shares 8,208 Est. Cost $35.00 Unrealized 0.0%
ALPINE IMMUNE SCIENCES INC 0.0%
Value $75,000 Shares 7,001 Est. Cost $8.79 Unrealized