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13F-HR filed by EcoR1 Capital, LLC

EcoR1 Capital, LLC filed this 13F-HR for the quarter ended 2016-12-31, filed 2017-02-14, with 30 holding rows worth $299,240,000.

Accession
0001140361-17-006794
Filed
2017-02-14
Accepted by EDGAR
acceptance time not in the bulk data set
Ingested
Source
SEC quarterly data set

Original filing

13F report for Q4 2016

A holdings report, 30 entries on the cover page, a total value of $299,240,000 stated on the cover page (in dollars after the unit check, H1), rows summing to $299,240,000 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
IRONWOOD PHARMACEUTICALS INC46333X108COMMON STOCK2,855,515$43,661,000thousands by filing date
LAKEFRONT BIOTHERAPEUTICS NV36315X101SPON ADR561,341$36,032,000thousands by filing date
ASSEMBLY BIOSCIENCES INC045396108COM2,943,164$35,759,000thousands by filing date
ALEXION PHARMACEUTICALS INC015351109COM162,200$19,845,000thousands by filing date
ASCENDIS PHARMA A/S DKK 1.0 AD04351P101SPONSORED ADR975,700$19,748,000thousands by filing date
THERAVANCE BIOPHARMA88339KAA0NOTE 3.250%11/017,000,000$19,327,000thousands by filing dateprincipal
ARDELYX INC039697107COM1,296,836$18,415,000thousands by filing date
KURA ONCOLOGY INC COM50127T109Stock2,611,906$15,410,000thousands by filing date
FIVE PRIME THERAPEUTICS INC.33830X104Common Stock298,712$14,968,000thousands by filing date
ACLARIS THERAPEUTICS INC COM00461U105Stock414,000$11,236,000thousands by filing date
ALLERGAN PLCG0177J908COM50,000$10,501,000thousands by filing datecall
EDITAS MEDICINE INC28106W103COM626,762$10,172,000thousands by filing date
XENCOR INC98401F105COMMON STOCK375,000$9,870,000thousands by filing date
CHIMERIX INC COM16934W106Stock1,415,687$6,512,000thousands by filing date
FASTENAL CO311900954COM2,537,026$6,368,000thousands by filing date
ATARA BIOTHERAPEUTICS INC COM NEW046513107Stock215,812$3,065,000thousands by filing date
Adverum Biotechnologies, Inc.00773U108Common Stock874,447$2,536,000thousands by filing date
KINDRED BIOSCIENCES INC COM494577109Stock571,126$2,427,000thousands by filing date
ATYR PHARMA INC002120103COM976,986$2,101,000thousands by filing date
SYNDAX PHARMACEUTICALS INC87164F105COM273,862$1,964,000thousands by filing date
EGALET CORP28226B104COM222,300$1,701,000thousands by filing date
NABRIVA THERAPEUTICS AG62957M104SPONSORED ADR264,773$1,578,000thousands by filing date
DERMIRA INC24983L104COM43,200$1,310,000thousands by filing date
AGIOS PHARMACEUTICALS INC00847X104COM23,300$972,000thousands by filing date
CHEMOCENTRYX INC01683L106COM118,000$873,000thousands by filing date
SYROS PHARMACEUTICALS INC87184Q107COM63,596$773,000thousands by filing date
CYTOKINETICS INC23282W605COM NEW54,879$667,000thousands by filing date
BIOPHARMX CORP09072X101COM1,342,000$502,000thousands by filing date
Bristol-Myers Squibb Company110122108COM8,560$500,000thousands by filing date
CASCADIAN THERAPEUTICS INC14740B901COM103,800$447,000thousands by filing datecall

Amendment chain

FilingRoleFiledAcceptedIngested
13F-HR 0001140361-17-006794this filing2017-02-14acceptance time not in the bulk data set
13F-HR/A 0001140361-17-007745 base2017-02-15acceptance time not in the bulk data set
13F-HR/A 0001140361-17-007752 added2017-02-15acceptance time not in the bulk data set