EcoR1 Capital, LLC Quant / Systematic

Location: San Francisco, CA

CIK: 0001587114 · Show all filings

Period: Q4 2024 (← Previous) (Next →)

Filing Date: Feb 14, 2025

Total Value: $2.645B (100.0% shares, 0.0% debt)

Holdings (59)

APLS APELLIS PHARMACEUTICALS INC 14.3%
Value $379M Shares 11,890,843 Est. Cost $43.04 Unrealized -30.1%
ZYME ZYMEWORKS INC 8.3%
Value $220M Shares 15,028,079 Est. Cost $8.48 Unrealized +65.0%
CRNX CRINETICS PHARMACEUTICALS IN 8.3%
Value $219M Shares 4,288,120 Est. Cost $32.41 Unrealized +72.6%
JAZZ JAZZ PHARMACEUTICALS PLC 7.9%
Value $210M Shares 1,706,469 Est. Cost $120.72 Unrealized -2.4%
PRTA PROTHENA CORP PLC 6.1%
Value $160M Shares 11,584,280 Est. Cost $11.63 Unrealized +35.6%
XNCR XENCOR INC 5.3%
Value $141M Shares 6,144,767 Est. Cost $32.11 Unrealized -28.4%
PFE PFIZER INC 5.0%
Value $133M Shares 5,000,000 Est. Cost Unrealized
ARVN ARVINAS INC 4.9%
Value $129M Shares 6,726,491 Est. Cost $41.18 Unrealized -41.0%
ANAB ANAPTYSBIO INC 3.9%
Value $104M Shares 7,873,448 Est. Cost $23.54 Unrealized +2.9%
SRPT SAREPTA THERAPEUTICS INC 3.5%
Value $93.62M Shares 770,000 Est. Cost $122.55 Unrealized 0.0%
JANX JANUX THERAPEUTICS INC 3.0%
Value $78.69M Shares 1,469,818 Est. Cost $46.95 Unrealized +12.7%
QURE UNIQURE NV 2.3%
Value $60.04M Shares 3,400,000 Est. Cost $8.63 Unrealized 0.0%
SPRINGWORKS THERAPEUTICS INC 2.1%
Value $56.36M Shares 1,560,000 Est. Cost $36.13 Unrealized
CRSP CRISPR THERAPEUTICS AG 2.1%
Value $54.68M Shares 1,389,276 Est. Cost $71.59 Unrealized -34.0%
IMNM IMMUNOME INC 1.6%
Value $41.2M Shares 3,879,415 Est. Cost $8.31 Unrealized +45.3%
TECX TECTONIC THERAPEUTIC INC 1.5%
Value $39.2M Shares 849,143 Est. Cost $15.77 Unrealized +168.1%
TNGX TANGO THERAPEUTICS INC 1.2%
Value $32.85M Shares 10,630,736 Est. Cost $7.06 Unrealized -34.2%
THIRD HARMONIC BIO INC 1.2%
Value $32.75M Shares 3,182,444 Est. Cost $5.25 Unrealized
KURA KURA ONCOLOGY INC 1.2%
Value $30.98M Shares 3,557,269 Est. Cost $18.76 Unrealized -23.3%
NGNE NEUROGENE INC 1.1%
Value $29.06M Shares 1,271,342 Est. Cost $14.32 Unrealized +159.9%
ORIC ORIC PHARMACEUTICALS INC 1.0%
Value $27.58M Shares 3,418,068 Est. Cost $30.24 Unrealized -69.7%
ETON ETON PHARMACEUTICALS INC 0.9%
Value $24.37M Shares 1,829,603 Est. Cost $8.31 Unrealized +22.0%
MBX MBX BIOSCIENCES INC 0.9%
Value $23.21M Shares 1,259,273 Est. Cost $22.77 Unrealized -6.4%
MDGL MADRIGAL PHARMACEUTICALS INC 0.9%
Value $23.14M Shares 75,000 Est. Cost $235.62 Unrealized +19.4%
VYGR VOYAGER THERAPEUTICS INC 0.8%
Value $22.21M Shares 3,917,546 Est. Cost $3.61 Unrealized
NMRA NEUMORA THERAPEUTICS INC. 0.8%
Value $21.96M Shares 2,071,450 Est. Cost $12.87 Unrealized -6.9%
CARGO THERAPEUTICS INC 0.8%
Value $21.2M Shares 1,470,000 Est. Cost $16.42 Unrealized
MLTX MOONLAKE IMMUNOTHERAPEUTICS 0.7%
Value $18.01M Shares 332,522 Est. Cost $51.06 Unrealized 0.0%
DNA GINKGO BIOWORKS HOLDINGS INC 0.6%
Value $17.12M Shares 1,743,344 Est. Cost $8.57 Unrealized 0.0%
RNAM AVIDITY BIOSCIENCES INC 0.6%
Value $16.21M Shares 557,576 Est. Cost $15.67 Unrealized +166.7%
MERSANA THERAPEUTICS INC 0.6%
Value $16.2M Shares 11,328,000 Est. Cost $1.27 Unrealized
TCRX TSCAN THERAPEUTICS INC 0.6%
Value $15.2M Shares 5,000,000 Est. Cost $2.68 Unrealized +69.2%
ADAPY ADAPTIMMUNE THERAPEUTICS PLC 0.6%
Value $14.76M Shares 27,404,070 Est. Cost $1.58 Unrealized
KYMR KYMERA THERAPEUTICS INC 0.5%
Value $14.08M Shares 350,000 Est. Cost $45.17 Unrealized 0.0%
DYN DYNE THERAPEUTICS INC 0.5%
Value $13.09M Shares 555,644 Est. Cost $26.59 Unrealized +11.2%
BCYC BICYCLE THERAPEUTICS PLC 0.5%
Value $12.74M Shares 910,000 Est. Cost $20.24 Unrealized
AVIR ATEA PHARMACEUTICALS INC 0.4%
Value $11.19M Shares 3,341,653 Est. Cost $13.03 Unrealized -74.5%
DAWN DAY ONE BIOPHARMACEUTICALS I 0.4%
Value $10.92M Shares 862,068 Est. Cost $14.27 Unrealized -2.5%
REPL REPLIMUNE GROUP INC 0.4%
Value $10.3M Shares 850,341 Est. Cost $6.97 Unrealized +74.3%
ALGS ALIGOS THERAPEUTICS INC 0.4%
Value $10.18M Shares 255,573 Est. Cost $12.44 Unrealized +55.4%
ATRA ATARA BIOTHERAPEUTICS INC 0.3%
Value $7.083M Shares 532,134 Est. Cost $13.75 Unrealized -23.4%
VERVE THERAPEUTICS INC 0.3%
Value $7.05M Shares 1,250,000 Est. Cost $13.94 Unrealized
QURE UNIQURE NV 0.3%
Value $6.799M Shares 385,000 Est. Cost $8.63 Unrealized 0.0%
FATE FATE THERAPEUTICS INC 0.2%
Value $5.032M Shares 3,049,405 Est. Cost $2.52 Unrealized 0.0%
GLPG GALAPAGOS NV 0.2%
Value $4.263M Shares 155,006 Est. Cost $49.34 Unrealized
ALLOVIR INC 0.1%
Value $3.948M Shares 408,688 Est. Cost $0.75 Unrealized
KROS KEROS THERAPEUTICS INC 0.1%
Value $2.968M Shares 187,500 Est. Cost $59.30 Unrealized -12.4%
RLAY RELAY THERAPEUTICS INC 0.1%
Value $2.643M Shares 641,426 Est. Cost $7.47 Unrealized -27.2%
DSGN DESIGN THERAPEUTICS INC 0.1%
Value $2.633M Shares 426,683 Est. Cost $5.65 Unrealized +2.4%
NUVATION BIO INC 0.1%
Value $2.562M Shares 963,333 Est. Cost $10.45 Unrealized
GENERATION BIO CO 0.1%
Value $2.17M Shares 2,046,867 Est. Cost $4.35 Unrealized
PRME PRIME MEDICINE INC 0.1%
Value $2.044M Shares 700,000 Est. Cost $7.58 Unrealized -53.7%
ETON ETON PHARMACEUTICALS INC 0.1%
Value $2.017M Shares 151,400 Est. Cost $8.31 Unrealized +22.0%
WHWK AADI BIOSCIENCE INC 0.0%
Value $1.089M Shares 345,253 Est. Cost $1.62 Unrealized +40.1%
UPB UPSTREAM BIO INC 0.0%
Value $986K Shares 60,000 Est. Cost $22.33 Unrealized 0.0%
SRZNW SURROZEN INC 0.0%
Value $957K Shares 66,665 Est. Cost $7.07 Unrealized
HOOK HOOKIPA PHARMA INC 0.0%
Value $782K Shares 388,861 Est. Cost $5.28 Unrealized -41.4%
ARTV ARTIVA BIOTHERAPEUTICS INC 0.0%
Value $418K Shares 41,453 Est. Cost $11.59 Unrealized +3.6%
GLUE MONTE ROSA THERAPEUTICS INC 0.0%
Value $151K Shares 21,700 Est. Cost Unrealized