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13F-HR filed by EcoR1 Capital, LLC

EcoR1 Capital, LLC filed this 13F-HR for the quarter ended 2019-09-30, filed 2019-11-14, with 38 holding rows worth $791,886,000.

Accession
0001567619-19-021573
Filed
2019-11-14
Accepted by EDGAR
acceptance time not in the bulk data set
Ingested
Source
SEC quarterly data set

Original filing

13F report for Q3 2019

A holdings report, 41 entries on the cover page, a total value of $791,886,000 stated on the cover page (in dollars after the unit check, H1), rows summing to $791,886,000 with VALUE read as thousands by filing date, 13F file number 028-16764. The quarter's positions are built on this report. The resolved quarter.

The information table after summing rows of one CUSIP and put or call (H4), with the CUSIP and issuer name as filed. Values in dollars after the unit check (method).

Issuer as filedCUSIPClassAmountValueValue read asType
XENCOR INC98401F105COMMON STOCK2,501,557$84,378,000thousands by filing date
PROTHENA CORP PLC SHSG72800108Stock9,426,640$73,905,000thousands by filing date
SPARK THERAPEUTICS INC84652J103COM714,789$69,320,000thousands by filing date
KURA ONCOLOGY INC COM50127T109Stock4,041,953$61,316,000thousands by filing date
ARGENX SE SPONSORED ADR04016X101ADR531,165$60,532,000thousands by filing date
DICERNA PHARMACEUTICALS INC253031108COM3,962,978$56,908,000thousands by filing date
FIBROGEN INC31572Q808COM1,293,807$47,845,000thousands by filing date
IRONWOOD PHARMACEUTICALS INC46333X108COMMON STOCK4,671,408$40,104,000thousands by filing date
MORPHIC HLDG INC61775R105COM2,161,520$39,145,000thousands by filing date
SOLID BIOSCIENCES INC COM NEW83422E105Stock3,342,691$34,563,000thousands by filing date
PREVAIL THERAPEUTICS INC74140Y101COM2,392,556$29,381,000thousands by filing date
FIBROGEN INC31572Q808COM652,500$24,130,000thousands by filing datecall
HARPOON THERAPEUTICS INC41358P106COM1,463,423$19,990,000thousands by filing date
ATRECA INC04965G109COM1,481,411$18,132,000thousands by filing date
CHIASMA INC16706W102COM3,043,827$15,067,000thousands by filing date
SAREPTA THERAPEUTICS INC803607100COM189,745$14,292,000thousands by filing date
EXICURE INC30205M101COM5,515,225$13,954,000thousands by filing date
GOSSAMER BIO INC COM38341P102Stock800,000$13,432,000thousands by filing datecall
EIGER BIOPHARMACEUTICALS INC28249U105COM1,060,043$10,865,000thousands by filing date
CYCLERION THERAPEUTICS INC23255M105COM776,206$9,408,000thousands by filing date
NEXTCURE INC65343E108COM250,500$7,728,000thousands by filing date
ARCUS BIOSCIENCES INC03969F109COM754,505$6,866,000thousands by filing date
CURIS INC231269200COM2,982,208$6,680,000thousands by filing date
NEOLEUKIN THERAPEUTICS INC64049K104COM2,265,880$6,458,000thousands by filing date
ASSEMBLY BIOSCIENCES INC045396108COM498,300$4,898,000thousands by filing datecall
MIRATI THERAPEUTICS INC60468T105COM44,221$3,445,000thousands by filing date
MERUS N VN5749R100COM165,600$2,951,000thousands by filing date
ULTRAGENYX PHARMACEUTICAL IN90400D108COM61,554$2,633,000thousands by filing date
SURFACE ONCOLOGY INC86877M209COM1,548,888$2,199,000thousands by filing date
RUBIUS THERAPEUTICS INC78116T103COM260,152$2,042,000thousands by filing date
VERICEL CORP92346J108COM131,001$1,983,000thousands by filing date
IGM BIOSCIENCES INC449585108COM100,000$1,775,000thousands by filing date
ZAFGEN INC98885E103COM1,944,500$1,437,000thousands by filing date
CORTEXYME INC22053A107COM49,993$1,246,000thousands by filing date
ASSEMBLY BIOSCIENCES INC045396108COM96,600$950,000thousands by filing date
AUTOLUS THERAPEUTICS PLC SPON05280R100COM69,155$859,000thousands by filing date
REGULUS THERAPEUTICS INC75915K200COM NEW1,049,088$755,000thousands by filing date
UNITY BIOTECHNOLOGY INC91381U101COM51,400$314,000thousands by filing date

Amendment chain

FilingRoleFiledAcceptedIngested
13F-HR 0001567619-19-021573this filing2019-11-14acceptance time not in the bulk data set