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13F-HR filed by EcoR1 Capital, LLC

EcoR1 Capital, LLC filed this 13F-HR for the quarter ended 2015-03-31, filed 2015-05-15, with 23 holding rows worth $294,082,000.

Accession
0001140361-15-019963
Filed
2015-05-15
Accepted by EDGAR
acceptance time not in the bulk data set
Ingested
Source
SEC quarterly data set

Original filing

13F report for Q1 2015

A holdings report, 24 entries on the cover page, a total value of $294,082,000 stated on the cover page (in dollars after the unit check, H1), rows summing to $294,082,000 with VALUE read as thousands by filing date, 13F file number 028-16764. A later restatement replaced it, so the quarter does not use it. 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
ATARA BIOTHERAPEUTICS INC COM NEW046513107Stock1,000,378$41,586,000thousands by filing date
EPIZYME INC29428V104COM1,580,400$29,680,000thousands by filing date
RECEPTOS, INC.756207106COMMON STOCK151,301$24,948,000thousands by filing date
ARRAY BIOPHARMA INC04269XAA3NOTE 3.000% 6/017,500,000$21,973,000thousands by filing dateprincipal
ASSEMBLY BIOSCIENCES INC045396108COM1,574,107$20,841,000thousands by filing date
CLOVIS ONCOLOGY INC189464950PUT2,500$18,558,000thousands by filing dateput
CLOVIS ONCOLOGY INC189464100COM243,048$18,041,000thousands by filing date
KITE PHARMA INC49803L109COM281,400$16,231,000thousands by filing date
FLEX PHARMA INC33938A105COM805,691$15,792,000thousands by filing date
IRONWOOD PHARMACEUTICALS INC46333X108COMMON STOCK900,000$14,400,000thousands by filing date
FIBROGEN INC31572Q808COM400,000$12,552,000thousands by filing date
RETROPHIN INC761299106COM410,000$9,824,000thousands by filing date
IRONWOOD PHARMACEUTICALS INC46333X108COMMON STOCK5,000$8,000,000thousands by filing datecall
KINDRED BIOSCIENCES INC COM494577109Stock821,244$5,864,000thousands by filing date
GENVEC INC NEW37246C307cs1,986,413$5,860,000thousands by filing date
SAGE THERAPEUTICS INC78667J108COM112,455$5,649,000thousands by filing date
ARRAY BIOPHARMA INC COM04269X105Stock7,350$5,417,000thousands by filing datecall
CALITHERA BIOSCIENCES INC COM NEW13089P101Stock295,480$4,852,000thousands by filing date
FORWARD PHARMA A/S34986J105SPONSORED ADR158,985$4,502,000thousands by filing date
XENON PHARMACEUTICALS INC COM98420N105Stock220,570$3,720,000thousands by filing date
FLEXION THERAPEUTICS INC33938J106COM162,900$3,669,000thousands by filing date
TARGACEPT INC87611R306COM619,699$1,841,000thousands by filing date
EPIZYME INC29428V904COM150$282,000thousands by filing datecall

Amendment chain

FilingRoleFiledAcceptedIngested
13F-HR 0001140361-15-019963this filing2015-05-15acceptance time not in the bulk data set
13F-HR/A 0001140361-15-020512 base2015-05-18acceptance time not in the bulk data set