EcoR1 Capital, LLC Quant / Systematic

CIK: 0001587114 · Show all filings

Period: Q1 2022 (← Previous) (Next →)

Filing Date: May 16, 2022

Total Value ($000): $3,196,837 (100.0% shares, 0.0% debt)

Holdings (87)

PRTA PROTHENA CORP PLC 13.3%
Value ($000) $423,637 Shares 11,584,280 Est. Cost $11.63 Unrealized +209.8%
APLS APELLIS PHARMACEUTICALS INC 8.2%
Value ($000) $263,370 Shares 5,183,431 Est. Cost $40.43 Unrealized +9.2%
GLPG GALAPAGOS NV 6.2%
Value ($000) $198,193 Shares 3,195,624 Est. Cost $55.99 Unrealized
ANAB ANAPTYSBIO INC 5.8%
Value ($000) $186,070 Shares 7,521,024 Est. Cost $23.15 Unrealized +30.7%
SRPT SAREPTA THERAPEUTICS INC 5.1%
Value ($000) $161,680 Shares 2,069,634 Est. Cost $76.58 Unrealized 0.0%
MORPHIC HLDG INC 5.0%
Value ($000) $158,655 Shares 3,951,566 Est. Cost $29.75 Unrealized
ACAD ACADIA PHARMACEUTICALS INC 4.5%
Value ($000) $145,114 Shares 5,991,479 Est. Cost $22.11 Unrealized +9.4%
XNCR XENCOR INC 4.1%
Value ($000) $132,566 Shares 4,968,756 Est. Cost $34.06 Unrealized -5.3%
KURA KURA ONCOLOGY INC 3.3%
Value ($000) $106,745 Shares 6,638,371 Est. Cost $18.76 Unrealized -23.0%
RCUS ARCUS BIOSCIENCES INC 3.2%
Value ($000) $103,047 Shares 3,265,101 Est. Cost $28.65 Unrealized +17.0%
ARVN ARVINAS INC 3.2%
Value ($000) $101,214 Shares 1,503,929 Est. Cost $69.30 Unrealized -1.7%
ZLAB ZAI LAB LTD 3.1%
Value ($000) $97,777 Shares 2,223,212 Est. Cost $43.98 Unrealized
ALEC ALECTOR INC 2.6%
Value ($000) $81,773 Shares 5,738,448 Est. Cost $19.56 Unrealized -19.2%
NUVB NUVATION BIO INC 2.3%
Value ($000) $73,096 Shares 13,896,543 Est. Cost $11.16 Unrealized -49.7%
RLAY RELAY THERAPEUTICS INC 2.1%
Value ($000) $68,583 Shares 2,291,441 Est. Cost $33.33 Unrealized -27.2%
REATA PHARMACEUTICALS INC 2.0%
Value ($000) $64,721 Shares 1,975,611 Est. Cost $32.76 Unrealized
2SEVENTY BIO INC 1.9%
Value ($000) $59,641 Shares 3,495,943 Est. Cost $21.76 Unrealized
CEREVEL THERAPEUTICS HLDNG I 1.8%
Value ($000) $57,636 Shares 1,646,260 Est. Cost $35.01 Unrealized
RNAM AVIDITY BIOSCIENCES INC 1.6%
Value ($000) $50,968 Shares 2,759,505 Est. Cost $27.15 Unrealized -37.4%
AVIR ATEA PHARMACEUTICALS INC 1.4%
Value ($000) $45,779 Shares 6,340,639 Est. Cost $14.25 Unrealized -52.3%
MIRATI THERAPEUTICS INC 1.3%
Value ($000) $41,161 Shares 500,622 Est. Cost $82.22 Unrealized
ARGX ARGENX SE 1.2%
Value ($000) $39,414 Shares 125,000 Est. Cost $315.31 Unrealized
DSGN DESIGN THERAPEUTICS INC 1.2%
Value ($000) $38,299 Shares 2,371,445 Est. Cost $23.98 Unrealized -36.1%
RVMD REVOLUTION MEDICINES INC 1.0%
Value ($000) $32,502 Shares 1,274,097 Est. Cost $21.77 Unrealized 0.0%
PCVX VAXCYTE INC 1.0%
Value ($000) $31,509 Shares 1,304,741 Est. Cost $21.87 Unrealized -0.1%
VYGR VOYAGER THERAPEUTICS INC 0.8%
Value ($000) $27,108 Shares 3,557,507 Est. Cost $2.70 Unrealized
BCYC BICYCLE THERAPEUTICS PLC 0.8%
Value ($000) $24,022 Shares 547,453 Est. Cost $43.88 Unrealized
EWTX EDGEWISE THERAPEUTICS INC 0.7%
Value ($000) $22,890 Shares 2,359,808 Est. Cost $23.14 Unrealized -44.4%
EXEL EXELIXIS INC 0.7%
Value ($000) $21,567 Shares 951,333 Est. Cost $19.53 Unrealized 0.0%
JANX JANUX THERAPEUTICS INC 0.6%
Value ($000) $20,382 Shares 1,421,319 Est. Cost $22.27 Unrealized -26.5%
GERN GERON CORP 0.6%
Value ($000) $19,429 Shares 14,285,714 Est. Cost $1.11 Unrealized 0.0%
OVID OVID THERAPEUTICS INC 0.6%
Value ($000) $19,209 Shares 6,117,400 Est. Cost $3.32 Unrealized -5.3%
SPRINGWORKS THERAPEUTICS INC 0.6%
Value ($000) $18,393 Shares 325,881 Est. Cost $56.44 Unrealized
ORIC ORIC PHARMACEUTICALS INC 0.6%
Value ($000) $18,252 Shares 3,418,068 Est. Cost $30.24 Unrealized -70.2%
VTYX VENTYX BIOSCIENCES INC 0.6%
Value ($000) $17,641 Shares 1,300,000 Est. Cost $18.95 Unrealized -29.5%
CRNX CRINETICS PHARMACEUTICALS IN 0.5%
Value ($000) $17,345 Shares 790,209 Est. Cost $23.54 Unrealized -14.0%
ARQT ARCUTIS BIOTHERAPEUTICS INC 0.5%
Value ($000) $17,247 Shares 895,503 Est. Cost $16.92 Unrealized 0.0%
SURFACE ONCOLOGY INC 0.4%
Value ($000) $13,680 Shares 4,653,000 Est. Cost $2.94 Unrealized
PMVP PMV PHARMACEUTICALS INC 0.4%
Value ($000) $13,529 Shares 649,786 Est. Cost $19.11 Unrealized -7.7%
HOOKIPA PHARMA INC 0.4%
Value ($000) $11,400 Shares 5,000,000 Est. Cost $2.28 Unrealized
CHINOOK THERAPEUTICS INC 0.4%
Value ($000) $11,288 Shares 690,000 Est. Cost $16.36 Unrealized
AKOUOS INC 0.3%
Value ($000) $9,386 Shares 1,975,984 Est. Cost $22.50 Unrealized
PTGX PROTAGONIST THERAPEUTICS INC 0.3%
Value ($000) $9,039 Shares 381,711 Est. Cost $37.64 Unrealized -25.1%
ALIGOS THERAPEUTICS INC 0.3%
Value ($000) $8,489 Shares 3,948,360 Est. Cost $2.37 Unrealized
NGM BIOPHARMACEUTICALS INC 0.3%
Value ($000) $8,252 Shares 541,108 Est. Cost $15.25 Unrealized
IGM BIOSCIENCES INC 0.2%
Value ($000) $7,981 Shares 298,597 Est. Cost $26.73 Unrealized
ERAS ERASCA INC 0.2%
Value ($000) $5,835 Shares 678,441 Est. Cost $20.63 Unrealized -43.8%
TNGX TANGO THERAPEUTICS INC 0.2%
Value ($000) $5,776 Shares 761,971 Est. Cost $11.99 Unrealized -27.7%
FRAZIER LIFESCIENCES ACQU CO CL A 0.2%
Value ($000) $5,776 Shares 587,615 Est. Cost $9.80 Unrealized
ZNTL ZENTALIS PHARMACEUTICALS INC 0.2%
Value ($000) $5,317 Shares 115,236 Est. Cost $53.94 Unrealized 0.0%
GRAPHITE BIO INC 0.2%
Value ($000) $5,224 Shares 1,024,279 Est. Cost $10.03 Unrealized
NUVATION BIO INC 0.2%
Value ($000) $5,067 Shares 963,333 Est. Cost $10.45 Unrealized
JIYA ACQUISITION CORP 0.2%
Value ($000) $4,915 Shares 500,000 Est. Cost $10.30 Unrealized
CCCC C4 THERAPEUTICS INC 0.2%
Value ($000) $4,852 Shares 200,000 Est. Cost $29.00 Unrealized -16.3%
CNTA CENTESSA PHARMACEUTICALS PLC 0.1%
Value ($000) $4,077 Shares 454,545 Est. Cost $20.63 Unrealized
HEALTH SCIENCES ACQ CORP 2 ORD 0.1%
Value ($000) $3,964 Shares 400,000 Est. Cost $11.00 Unrealized
GRACELL BIOTECHNOLOGIES INC 0.1%
Value ($000) $3,634 Shares 1,559,710 Est. Cost $2.33 Unrealized
NRIX NURIX THERAPEUTICS INC 0.1%
Value ($000) $3,565 Shares 254,473 Est. Cost $29.56 Unrealized -39.9%
SOLID BIOSCIENCES INC 0.1%
Value ($000) $3,078 Shares 2,565,102 Est. Cost $7.31 Unrealized
KRONOS BIO INC 0.1%
Value ($000) $2,363 Shares 326,780 Est. Cost $29.87 Unrealized
ITEOS THERAPEUTICS INC 0.1%
Value ($000) $2,343 Shares 72,821 Est. Cost $25.73 Unrealized
VERVE THERAPEUTICS INC 0.1%
Value ($000) $2,250 Shares 98,593 Est. Cost $60.25 Unrealized
MLTX HELIX ACQUISITION CORP 0.1%
Value ($000) $2,220 Shares 200,000 Est. Cost $11.37 Unrealized
DYN DYNE THERAPEUTICS INC 0.1%
Value ($000) $2,073 Shares 215,000 Est. Cost $21.96 Unrealized -61.2%
BCLS ACQUISITION CORP 0.1%
Value ($000) $1,974 Shares 200,000 Est. Cost $11.14 Unrealized
KINNATE BIOPHARMA INC 0.1%
Value ($000) $1,971 Shares 175,000 Est. Cost $25.42 Unrealized
5 01 ACQUISITION CORP 0.1%
Value ($000) $1,970 Shares 200,000 Est. Cost $10.17 Unrealized
EUCRATES BIOMEDICAL ACQU COR 0.1%
Value ($000) $1,968 Shares 200,000 Est. Cost $9.98 Unrealized
ACIU AC IMMUNE SA 0.1%
Value ($000) $1,940 Shares 485,005 Est. Cost $5.79 Unrealized -25.3%
ARYA SCIENCES ACQU CORP IV 0.0%
Value ($000) $1,470 Shares 150,000 Est. Cost $10.47 Unrealized
PARDES BIOSCIENCES INC 0.0%
Value ($000) $1,394 Shares 200,000 Est. Cost $16.37 Unrealized
ADVERUM BIOTECHNOLOGIES INC 0.0%
Value ($000) $1,371 Shares 1,046,700 Est. Cost $1.76 Unrealized
MERSANA THERAPEUTICS INC 0.0%
Value ($000) $1,303 Shares 326,578 Est. Cost $3.99 Unrealized
SPRY SILVERBACK THERAPEUTICS INC 0.0%
Value ($000) $1,157 Shares 329,537 Est. Cost $33.36 Unrealized -86.9%
ATRECA INC 0.0%
Value ($000) $1,137 Shares 358,780 Est. Cost $3.17 Unrealized
APPLIED MOLECULAR TRANS INC 0.0%
Value ($000) $990 Shares 131,693 Est. Cost $13.98 Unrealized
TURMERIC ACQUISITION CORP 0.0%
Value ($000) $985 Shares 100,000 Est. Cost $9.77 Unrealized
CAREMAX INC 0.0%
Value ($000) $747 Shares 100,000 Est. Cost $12.90 Unrealized
REPARE THERAPEUTICS INC 0.0%
Value ($000) $712 Shares 50,000 Est. Cost $31.02 Unrealized
CRBU CARIBOU BIOSCIENCES INC 0.0%
Value ($000) $689 Shares 75,000 Est. Cost $24.45 Unrealized -56.9%
EUCRATES BIOMEDICAL ACQU COR 0.0%
Value ($000) $656 Shares 66,666 Est. Cost $9.98 Unrealized
FRAZIER LIFESCIENCES ACQU CO 0.0%
Value ($000) $655 Shares 66,665 Est. Cost $9.77 Unrealized
OMEGA ALPHA SPAC 0.0%
Value ($000) $491 Shares 50,000 Est. Cost $9.90 Unrealized
BOLT BIOTHERAPEUTICS INC 0.0%
Value ($000) $411 Shares 150,000 Est. Cost $32.91 Unrealized
TURMERIC ACQUISITION CORP 0.0%
Value ($000) $328 Shares 33,333 Est. Cost $9.78 Unrealized
RADIUS HEALTH INC 0.0%
Value ($000) $309 Shares 35,000 Est. Cost $8.83 Unrealized
SRZNW SURROZEN INC 0.0%
Value ($000) $201 Shares 66,665 Est. Cost $7.07 Unrealized