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13F-HR filed by EcoR1 Capital, LLC

EcoR1 Capital, LLC filed this 13F-HR for the quarter ended 2017-09-30, filed 2017-11-14, with 39 holding rows worth $750,316,000.

Accession
0001140361-17-042799
Filed
2017-11-14
Accepted by EDGAR
acceptance time not in the bulk data set
Ingested
Source
SEC quarterly data set

Original filing

13F report for Q3 2017

A holdings report, 40 entries on the cover page, a total value of $750,316,000 stated on the cover page (in dollars after the unit check, H1), rows summing to $750,316,000 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
ASSEMBLY BIOSCIENCES INC045396108COM2,943,164$102,775,000thousands by filing date
FIBROGEN INC31572Q808COM1,735,677$93,379,000thousands by filing date
IRONWOOD PHARMACEUTICALS INC46333X108COMMON STOCK5,459,583$86,098,000thousands by filing date
ASCENDIS PHARMA A/S DKK 1.0 AD04351P101SPONSORED ADR2,107,600$76,401,000thousands by filing date
KURA ONCOLOGY INC COM50127T109Stock3,766,852$56,314,000thousands by filing date
IMMUNOMEDICS INC452907108COM2,860,019$39,983,000thousands by filing date
MYOKARDIA INC62857M105COM689,986$29,566,000thousands by filing date
LAKEFRONT BIOTHERAPEUTICS NV36315X101SPON ADR240,776$24,499,000thousands by filing date
MARINUS PHARMACEUTICALS INC56854Q101COM3,622,271$21,263,000thousands by filing date
ATYR PHARMA INC002120103COM3,934,849$19,871,000thousands by filing date
TOCAGEN INC888846102COM1,502,373$18,720,000thousands by filing date
ARRAY BIOPHARMA INC COM04269X105Stock1,250,000$15,375,000thousands by filing date
CYTOMX THERAPEUTICS INC23284F105COMMON STOCK829,771$15,077,000thousands by filing date
CORVUS PHARMACEUTICALS INC221015100COM908,525$14,482,000thousands by filing date
INTEC PHARMA LTD JERUSALEMM53644106SHS1,500,000$13,425,000thousands by filing date
INSMED INC COM PAR $.01457669307Stock405,400$12,653,000thousands by filing date
WAVE LIFE SCIENCES LTD SHSY95308105Stock564,248$12,272,000thousands by filing date
CASCADIAN THERAPEUTICS INC14740B606COM NEW3,000,000$12,270,000thousands by filing date
VERTEX PHARMACEUTICALS INC92532F900CALL67,600$10,278,000thousands by filing datecall
IRONWOOD PHARMACEUTICALS INC46333X908COM CL A620,000$9,777,000thousands by filing datecall
OMEROS CORP682143102COM450,000$9,729,000thousands by filing date
FATE THERAPEUTICS INC31189P102COM2,262,678$8,960,000thousands by filing date
REGULUS THERAPEUTICS INC75915K101COM5,239,225$6,549,000thousands by filing date
DICERNA PHARMACEUTICALS INC253031108COM957,992$5,508,000thousands by filing date
OVASCIENCE INC69014Q101COM3,512,332$4,988,000thousands by filing date
ZAI LAB LTD ADR98887Q104ADR159,535$4,307,000thousands by filing date
KINDRED BIOSCIENCES INC COM494577109Stock544,880$4,277,000thousands by filing date
SANGAMO THERAPEUTICS INC800677106COM222,388$3,336,000thousands by filing date
CLEMENTIA PHARMACEUTICALS IN185575107COM194,166$3,279,000thousands by filing date
Adverum Biotechnologies, Inc.00773U108Common Stock762,947$2,785,000thousands by filing date
CLOVIS ONCOLOGY INC189464100COM25,765$2,123,000thousands by filing date
XENCOR INC98401F105COMMON STOCK90,114$2,065,000thousands by filing date
SEATTLE GENETICS INC812578102COM30,000$1,632,000thousands by filing date
ACLARIS THERAPEUTICS INC COM00461U105Stock60,000$1,549,000thousands by filing date
SYROS PHARMACEUTICALS INC87184Q107COM104,000$1,531,000thousands by filing date
Bristol-Myers Squibb Company110122108COM17,060$1,087,000thousands by filing date
BEONE MEDICINES LTD SPONSORED ADS07725L102ADR9,800$1,009,000thousands by filing date
DECIPHERA PHARMACEUTICALS IN24344T101COM45,000$855,000thousands by filing date
SPRING BK PHARMACEUTICALS IN849431101COM16,000$269,000thousands by filing date

Amendment chain

FilingRoleFiledAcceptedIngested
13F-HR 0001140361-17-042799this filing2017-11-14acceptance time not in the bulk data set