EcoR1 Capital, LLC Quant / Systematic

Location: San Francisco, CA

CIK: 0001587114 · Show all filings

Period: Q2 2023 (← Previous) (Next →)

Filing Date: Aug 14, 2023

Total Value: $4.081B (100.0% shares, 0.0% debt)

Holdings (53)

PRTA PROTHENA CORP PLC 19.4%
Value $791M Shares 11,584,280 Est. Cost $11.63 Unrealized +454.4%
APLS APELLIS PHARMACEUTICALS INC 12.2%
Value $497M Shares 5,451,647 Est. Cost $41.28 Unrealized +109.0%
SRPT SAREPTA THERAPEUTICS INC 10.3%
Value $419M Shares 3,660,798 Est. Cost $86.23 Unrealized +49.4%
JNJ JOHNSON & JOHNSON 6.9%
Value $281M Shares 1,700,000 Est. Cost Unrealized
GLPG GALAPAGOS NV 5.7%
Value $234M Shares 5,756,268 Est. Cost $49.34 Unrealized
MORPHIC HLDG INC 5.4%
Value $221M Shares 3,846,964 Est. Cost $29.75 Unrealized
RVMD REVOLUTION MEDICINES INC 4.7%
Value $193M Shares 7,198,700 Est. Cost $22.24 Unrealized +10.3%
ANAB ANAPTYSBIO INC 3.7%
Value $153M Shares 7,521,024 Est. Cost $23.15 Unrealized -12.4%
ACAD ACADIA PHARMACEUTICALS INC 3.5%
Value $143M Shares 5,991,479 Est. Cost $22.11 Unrealized +0.5%
XNCR XENCOR INC 3.2%
Value $132M Shares 5,282,516 Est. Cost $33.50 Unrealized -18.8%
ZYME ZYMEWORKS INC 2.8%
Value $116M Shares 13,437,473 Est. Cost $7.82 Unrealized +14.4%
BLUEPRINT MEDICINES CORP 2.8%
Value $114M Shares 1,798,300 Est. Cost $63.20 Unrealized
ARVN ARVINAS INC 2.4%
Value $99.72M Shares 4,017,788 Est. Cost $52.76 Unrealized -51.3%
SPRINGWORKS THERAPEUTICS INC 2.2%
Value $90.73M Shares 3,460,208 Est. Cost $28.53 Unrealized
KURA KURA ONCOLOGY INC 1.5%
Value $61.44M Shares 5,806,871 Est. Cost $18.76 Unrealized -37.0%
RLAY RELAY THERAPEUTICS INC 1.3%
Value $52.3M Shares 4,163,824 Est. Cost $28.03 Unrealized -55.6%
JAZZ JAZZ PHARMACEUTICALS PLC 1.1%
Value $45.67M Shares 368,411 Est. Cost $134.55 Unrealized 0.0%
VYGR VOYAGER THERAPEUTICS INC 1.1%
Value $44.1M Shares 3,851,507 Est. Cost $3.51 Unrealized
CNTA CENTESSA PHARMACEUTICALS PLC 0.9%
Value $34.78M Shares 5,618,779 Est. Cost $4.55 Unrealized
EWTX EDGEWISE THERAPEUTICS INC 0.7%
Value $27.07M Shares 3,493,194 Est. Cost $18.91 Unrealized -55.4%
ORIC ORIC PHARMACEUTICALS INC 0.6%
Value $26.52M Shares 3,418,068 Est. Cost $30.24 Unrealized -81.2%
AVIR ATEA PHARMACEUTICALS INC 0.6%
Value $26.16M Shares 6,995,861 Est. Cost $13.03 Unrealized -71.3%
NUVB NUVATION BIO INC 0.6%
Value $25.01M Shares 13,896,543 Est. Cost $11.16 Unrealized -84.8%
ALEC ALECTOR INC 0.6%
Value $24.38M Shares 4,056,548 Est. Cost $19.56 Unrealized -64.3%
CRNX CRINETICS PHARMACEUTICALS IN 0.6%
Value $23.97M Shares 1,330,263 Est. Cost $22.08 Unrealized -9.7%
ALLO ALLOGENE THERAPEUTICS INC 0.5%
Value $22.31M Shares 4,488,200 Est. Cost $8.88 Unrealized -39.1%
GRAPHITE BIO INC 0.5%
Value $22.2M Shares 8,538,446 Est. Cost $3.82 Unrealized
OVID OVID THERAPEUTICS INC 0.5%
Value $20.07M Shares 6,117,400 Est. Cost $3.32 Unrealized +2.2%
NGM BIOPHARMACEUTICALS INC 0.4%
Value $16.67M Shares 6,435,518 Est. Cost $5.88 Unrealized
TNGX TANGO THERAPEUTICS INC 0.3%
Value $13.44M Shares 4,047,114 Est. Cost $6.32 Unrealized -43.1%
TCRX TSCAN THERAPEUTICS INC 0.3%
Value $12.5M Shares 5,000,000 Est. Cost $2.68 Unrealized 0.0%
GENERATION BIO CO 0.3%
Value $11.26M Shares 2,046,867 Est. Cost $4.35 Unrealized
THIRD HARMONIC BIO INC 0.2%
Value $10.05M Shares 2,088,780 Est. Cost $4.21 Unrealized
PHAT PHATHOM PHARMACEUTICALS INC 0.2%
Value $10.02M Shares 700,000 Est. Cost $11.53 Unrealized 0.0%
DYN DYNE THERAPEUTICS INC 0.2%
Value $8.985M Shares 798,701 Est. Cost $11.57 Unrealized +2.0%
PRME PRIME MEDICINE INC 0.2%
Value $8.79M Shares 600,000 Est. Cost $18.06 Unrealized -22.7%
ZNTL ZENTALIS PHARMACEUTICALS INC 0.2%
Value $8.463M Shares 300,000 Est. Cost $23.99 Unrealized 0.0%
JANX JANUX THERAPEUTICS INC 0.1%
Value $5.372M Shares 452,590 Est. Cost $18.73 Unrealized -28.6%
KURA KURA ONCOLOGY INC 0.1%
Value $5.29M Shares 500,000 Est. Cost $18.76 Unrealized -37.0%
PRLD PRELUDE THERAPEUTICS INC 0.1%
Value $5.209M Shares 1,157,452 Est. Cost $5.98 Unrealized 0.0%
PRQR PROQR THRAPEUTICS N V 0.1%
Value $4.828M Shares 2,980,016 Est. Cost $3.03 Unrealized -35.5%
HOOKIPA PHARMA INC 0.1%
Value $4.044M Shares 4,595,024 Est. Cost $1.63 Unrealized
ALIGOS THERAPEUTICS INC 0.1%
Value $3.834M Shares 3,948,360 Est. Cost $2.37 Unrealized
ALLAKOS INC 0.1%
Value $3.265M Shares 748,900 Est. Cost $4.36 Unrealized
AEGLEA BIOTHERAPEUTICS INC 0.1%
Value $2.252M Shares 5,000,000 Est. Cost $0.45 Unrealized
NUVATION BIO INC 0.0%
Value $1.734M Shares 963,333 Est. Cost $10.45 Unrealized
TEMPEST THERAPEUTICS INC 0.0%
Value $1.427M Shares 1,123,434 Est. Cost $2.08 Unrealized
FDMT 4D MOLECULAR THERAPEUTICS IN 0.0%
Value $1.21M Shares 66,978 Est. Cost $18.41 Unrealized 0.0%
POSEIDA THERAPEUTICS INC 0.0%
Value $1.19M Shares 676,296 Est. Cost $3.53 Unrealized
NAMSW NEWAMSTERDAM PHARMA COMPANY 0.0%
Value $793K Shares 66,665 Est. Cost $10.90 Unrealized
KRONOS BIO INC 0.0%
Value $562K Shares 326,780 Est. Cost $29.87 Unrealized
CAREMAX INC 0.0%
Value $311K Shares 100,000 Est. Cost $12.90 Unrealized
SRZNW SURROZEN INC 0.0%
Value $36,666 Shares 66,665 Est. Cost $7.07 Unrealized