EcoR1 Capital, LLC Quant / Systematic

Location: San Francisco, CA

CIK: 0001587114 · Show all filings

Period: Q2 2022 (← Previous) (Next →)

Filing Date: Aug 15, 2022

Total Value: $2.897B (100.0% shares, 0.0% debt)

Holdings (80)

PRTA PROTHENA CORP PLC 10.9%
Value $315M Shares 11,584,280 Est. Cost $11.63 Unrealized +151.5%
APLS APELLIS PHARMACEUTICALS INC 8.1%
Value $234M Shares 5,183,431 Est. Cost $40.43 Unrealized +12.8%
SRPT SAREPTA THERAPEUTICS INC 7.4%
Value $215M Shares 2,868,145 Est. Cost $75.74 Unrealized -2.9%
SEAGEN INC 6.2%
Value $178M Shares 1,008,628 Est. Cost $176.94 Unrealized
GLPG GALAPAGOS NV 6.2%
Value $178M Shares 3,197,500 Est. Cost $55.99 Unrealized
ANAB ANAPTYSBIO INC 5.3%
Value $153M Shares 7,521,024 Est. Cost $23.15 Unrealized -4.3%
XNCR XENCOR INC 5.0%
Value $145M Shares 5,282,416 Est. Cost $33.50 Unrealized -26.4%
ARVN ARVINAS INC 4.5%
Value $131M Shares 3,123,300 Est. Cost $59.39 Unrealized -15.5%
KURA KURA ONCOLOGY INC 4.2%
Value $122M Shares 6,638,371 Est. Cost $18.76 Unrealized -23.3%
MORPHIC HLDG INC 3.0%
Value $85.75M Shares 3,951,566 Est. Cost $29.75 Unrealized
ACAD ACADIA PHARMACEUTICALS INC 2.9%
Value $84.42M Shares 5,991,479 Est. Cost $22.11 Unrealized -15.5%
ZLAB ZAI LAB LT 2.9%
Value $84.34M Shares 2,431,885 Est. Cost $43.18 Unrealized
RVMD REVOLUTION MEDICINES INC 2.9%
Value $83.38M Shares 4,278,069 Est. Cost $20.15 Unrealized -3.4%
RLAY RELAY THERAPEUTICS INC 2.2%
Value $62.37M Shares 3,723,541 Est. Cost $28.76 Unrealized -25.5%
REATA PHARMACEUTICALS INC 2.1%
Value $60.04M Shares 1,975,611 Est. Cost $32.76 Unrealized
ALLO ALLOGENE THERAPEUTICS INC 1.8%
Value $51.16M Shares 4,488,200 Est. Cost $8.88 Unrealized 0.0%
ARGX ARGENX SE 1.6%
Value $47.36M Shares 125,000 Est. Cost $315.31 Unrealized
2SEVENTY BIO INC 1.6%
Value $46.15M Shares 3,495,943 Est. Cost $21.76 Unrealized
NUVB NUVATION BIO INC 1.6%
Value $45.02M Shares 13,896,543 Est. Cost $11.16 Unrealized -60.9%
AVIR ATEA PHARMACEUTICALS INC 1.6%
Value $45.02M Shares 6,340,639 Est. Cost $14.25 Unrealized -52.1%
CEREVEL THERAPEUTICS HLDNG I 1.5%
Value $43.53M Shares 1,646,260 Est. Cost $35.01 Unrealized
ALEC ALECTOR INC 1.4%
Value $41.22M Shares 4,056,548 Est. Cost $19.56 Unrealized -49.0%
RNAM AVIDITY BIOSCIENCES INC 1.4%
Value $40.1M Shares 2,759,505 Est. Cost $27.15 Unrealized -45.2%
DSGN DESIGN THERAPEUTICS INC 1.3%
Value $36.88M Shares 2,634,178 Est. Cost $22.94 Unrealized -41.1%
VYGR VOYAGER THERAPEUTICS INC 1.0%
Value $28.1M Shares 4,753,907 Est. Cost $3.51 Unrealized
CRNX CRINETICS PHARMACEUTICALS IN 0.9%
Value $24.81M Shares 1,330,263 Est. Cost $22.08 Unrealized -9.6%
GERN GERON CORP 0.8%
Value $21.96M Shares 14,168,988 Est. Cost $1.11 Unrealized +26.7%
ARQT ARCUTIS BIOTHERAPEUTICS INC 0.7%
Value $19.08M Shares 895,503 Est. Cost $16.92 Unrealized +21.3%
EWTX EDGEWISE THERAPEUTICS INC 0.6%
Value $18.78M Shares 2,359,808 Est. Cost $23.14 Unrealized -67.3%
JANX JANUX THERAPEUTICS INC 0.6%
Value $17.35M Shares 1,421,319 Est. Cost $22.27 Unrealized -46.8%
VTYX VENTYX BIOSCIENCES INC 0.5%
Value $15.9M Shares 1,300,000 Est. Cost $18.95 Unrealized -21.1%
EXEL EXELIXIS INC 0.5%
Value $15.82M Shares 760,000 Est. Cost $19.53 Unrealized +5.5%
ORIC ORIC PHARMACEUTICALS INC 0.5%
Value $15.31M Shares 3,418,068 Est. Cost $30.24 Unrealized -86.8%
CGEM CULLINAN ONCOLOGY INC 0.5%
Value $15M Shares 1,169,889 Est. Cost $11.34 Unrealized 0.0%
INCY INCYTE CORP 0.5%
Value $13.89M Shares 182,783 Est. Cost $75.93 Unrealized 0.0%
OVID OVID THERAPEUTICS INC 0.5%
Value $13.15M Shares 6,117,400 Est. Cost $3.32 Unrealized -27.2%
CHINOOK THERAPEUTICS INC 0.4%
Value $12.07M Shares 690,000 Est. Cost $16.36 Unrealized
GRACELL BIOTECHNOLOGIES INC 0.4%
Value $10.57M Shares 1,921,310 Est. Cost $2.93 Unrealized
TNGX TANGO THERAPEUTICS INC 0.4%
Value $10.43M Shares 2,302,065 Est. Cost $8.02 Unrealized -24.5%
AKOUOS INC 0.3%
Value $9.267M Shares 1,975,984 Est. Cost $22.50 Unrealized
HOOKIPA PHARMA INC 0.3%
Value $8.15M Shares 5,000,000 Est. Cost $2.28 Unrealized
PRECISION BIOSCIENCES INC 0.3%
Value $8.058M Shares 5,035,971 Est. Cost $1.60 Unrealized
SURFACE ONCOLOGY INC 0.3%
Value $7.631M Shares 4,653,000 Est. Cost $2.94 Unrealized
NGM BIOPHARMACEUTICALS INC 0.2%
Value $6.937M Shares 541,108 Est. Cost $15.25 Unrealized
FRAZIER LIFESCIENCES ACQU CO 0.2%
Value $5.8M Shares 587,615 Est. Cost $9.80 Unrealized
ITEOS THERAPEUTICS INC 0.2%
Value $5.768M Shares 279,999 Est. Cost $21.93 Unrealized
JIYA ACQUISITION CORP 0.2%
Value $4.94M Shares 500,000 Est. Cost $10.30 Unrealized
ALIGOS THERAPEUTICS INC 0.2%
Value $4.778M Shares 3,948,360 Est. Cost $2.37 Unrealized
SELECTA BIOSCIENCES INC 0.2%
Value $4.585M Shares 3,500,000 Est. Cost $1.31 Unrealized
AVEO PHARMACEUTICALS INC 0.1%
Value $4.248M Shares 647,489 Est. Cost $6.56 Unrealized
HEALTH SCIENCES ACQ CORP 2 0.1%
Value $3.984M Shares 400,000 Est. Cost $11.00 Unrealized
ERAS ERASCA INC 0.1%
Value $3.779M Shares 678,441 Est. Cost $20.63 Unrealized -68.3%
GRAPHITE BIO INC 0.1%
Value $3.196M Shares 1,162,179 Est. Cost $9.17 Unrealized
NUVATION BIO INC 0.1%
Value $3.121M Shares 963,333 Est. Cost $10.45 Unrealized
CLDX CELLDEX THERAPEUTICS INC NEW 0.1%
Value $3.106M Shares 115,200 Est. Cost Unrealized
SPRY SILVERBACK THERAPEUTICS INC 0.1%
Value $2.44M Shares 575,359 Est. Cost $20.59 Unrealized -83.1%
TEMPEST THERAPEUTICS INC 0.1%
Value $2.217M Shares 1,031,268 Est. Cost $2.15 Unrealized
KINNATE BIOPHARMA INC 0.1%
Value $2.207M Shares 175,000 Est. Cost $25.42 Unrealized
EUCRATES BIOMEDICAL ACQU COR 0.1%
Value $1.98M Shares 200,000 Est. Cost $9.98 Unrealized
BCLS ACQUISITION CORP 0.1%
Value $1.98M Shares 200,000 Est. Cost $11.14 Unrealized
5 01 ACQUISITION CORP 0.1%
Value $1.98M Shares 200,000 Est. Cost $10.17 Unrealized
VERVE THERAPEUTICS INC 0.1%
Value $1.507M Shares 98,593 Est. Cost $60.25 Unrealized
DYN DYNE THERAPEUTICS INC 0.1%
Value $1.477M Shares 215,000 Est. Cost $21.96 Unrealized -68.6%
ARYA SCIENCES ACQU CORP IV 0.1%
Value $1.472M Shares 150,000 Est. Cost $10.47 Unrealized
OLMA OLEMA PHARMACEUTICALS INC 0.0%
Value $1.44M Shares 353,701 Est. Cost $3.17 Unrealized 0.0%
MERSANA THERAPEUTICS INC 0.0%
Value $1.437M Shares 310,960 Est. Cost $3.99 Unrealized
CNTA CENTESSA PHARMACEUTICALS PLC 0.0%
Value $1.424M Shares 292,320 Est. Cost $20.63 Unrealized
ADVERUM BIOTECHNOLOGIES INC 0.0%
Value $1.256M Shares 1,046,700 Est. Cost $1.76 Unrealized
KRONOS BIO INC 0.0%
Value $1.189M Shares 326,780 Est. Cost $29.87 Unrealized
TURMERIC ACQUISITION CORP 0.0%
Value $993K Shares 100,000 Est. Cost $9.77 Unrealized
EUCRATES BIOMEDICAL ACQU COR 0.0%
Value $660K Shares 66,666 Est. Cost $9.90 Unrealized
FRAZIER LIFESCIENCES ACQU CO 0.0%
Value $658K Shares 66,665 Est. Cost $9.77 Unrealized
PARDES BIOSCIENCES INC 0.0%
Value $614K Shares 200,000 Est. Cost $16.37 Unrealized
PRAXIS PRECISION MEDICINES I 0.0%
Value $515K Shares 210,100 Est. Cost $2.45 Unrealized
OMEGA ALPHA SPAC 0.0%
Value $493K Shares 50,000 Est. Cost $9.90 Unrealized
EVELO BIOSCIENCES INC 0.0%
Value $423K Shares 200,417 Est. Cost $2.11 Unrealized
CAREMAX INC 0.0%
Value $363K Shares 100,000 Est. Cost $12.90 Unrealized
TURMERIC ACQUISITION CORP 0.0%
Value $331K Shares 33,333 Est. Cost $9.78 Unrealized
BOLT BIOTHERAPEUTICS INC 0.0%
Value $306K Shares 150,000 Est. Cost $32.91 Unrealized
SRZNW SURROZEN INC 0.0%
Value $200K Shares 66,665 Est. Cost $7.07 Unrealized