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13F-HR/A filed by RTW INVESTMENTS, LP

RTW INVESTMENTS, LP filed this 13F-HR/A for the quarter ended 2015-09-30, filed 2016-05-24, with 44 holding rows worth $321,845,000.

Accession
0001493152-16-010243
Filed
2016-05-24
Accepted by EDGAR
acceptance time not in the bulk data set
Ingested
Source
SEC quarterly data set

Original filing

13F report for Q3 2015

A holdings report, amendment of type restatement, 44 entries on the cover page, a total value of $321,845,000 stated on the cover page (in dollars after the unit check, H1), rows summing to $321,849,000 with VALUE read as thousands by filing date, 13F file number 028-16670. The quarter's positions are built on this report. The resolved quarter.

Other managers

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
ALNYLAM PHARMACEUTICALS INC COM02043Q107Stock533,660$42,885,000thousands by filing date
INCYTE CORP COM45337C102Stock303,212$33,453,000thousands by filing date
LA JOLLA PHARMACEUTICAL CO503459604COM PAR $.0001 21,080,331$30,022,000thousands by filing date
BIOCRYST PHARMACEUTICALS INC COM09058V103Stock2,228,206$25,402,000thousands by filing date
KITE PHARMA INC49803L109COM375,476$20,907,000thousands by filing date
ACHILLION PHARMACEUTICALS IN00448Q201COM2,589,818$17,896,000thousands by filing date
MIRATI THERAPEUTICS INC60468T105COM482,069$16,593,000thousands by filing date
DICERNA PHARMACEUTICALS INC253031108COM2,005,238$16,463,000thousands by filing date
BLUEBIRD BIO INC09609G100COM151,594$12,969,000thousands by filing date
Arrowhead Research Corp42797209 COM NEW2,097,185$12,080,000thousands by filing dateThe CUSIP as filed is malformed.
FIVE PRIME THERAPEUTICS INC.33830X104Common Stock713,954$10,988,000thousands by filing date
AGENUS INC00847G705COM NEW2,084,142$9,587,000thousands by filing date
Atara Biotherapeutics Inc.46513107 COM262,995$8,269,000thousands by filing dateThe CUSIP as filed is malformed.
CELLDEX THERAPEUTICS INC NEW15117B103COM718,729$7,575,000thousands by filing date
SYMMETRY SURGICAL INC87159G100COM807,442$7,186,000thousands by filing date
Bristol-Myers Squibb Company110122108COM102,425$6,064,000thousands by filing date
CORIUM INTL INC21887L107COM575,212$5,378,000thousands by filing date
OMEROS CORP682143102COM490,000$5,370,000thousands by filing date
REGENXBIO INC75901B107COM204,494$4,505,000thousands by filing date
GLOBAL BLOOD THERAPEUTICS USD37890U108COM92,399$3,896,000thousands by filing date
Bristol-Myers Squibb Company110122108COM7,500$2,588,000thousands by filing datecall
LIPOCINE INC NEW53630X104CMN212,497$2,514,000thousands by filing date
INVUITY INC46187J205COM NEW175,000$2,454,000thousands by filing date
DYAX CORP26746E103COM115,358$2,202,000thousands by filing date
PRESBIA PLCG7234P100SHS350,000$1,918,000thousands by filing date
CATALYST14888D109COM380,806$1,775,000thousands by filing date
REPROS THERAPEUTICS INC76028H209COM232,830$1,730,000thousands by filing date
VBI VACCINES INC CDA91790E102Stock650,000$1,716,000thousands by filing date
ORASURE TECHNOLOGIES INC68554V108COM322,996$1,434,000thousands by filing date
CYTRX CORP232828509COM PAR $.001453,465$1,075,000thousands by filing date
NEWLINK GENETICS CORP651511107COM28,291$1,014,000thousands by filing date
MASIMO CORP COM574795100Stock25,900$999,000thousands by filing date
VERADIGM INC01988P108COMMON STOCK48,000$595,000thousands by filing date
BIOCRYST PHARMACEUTICALS INC COM09058V103Stock2,000$431,000thousands by filing datecall
NIVALIS THERAPEUTICS INC65481J109COM30,000$389,000thousands by filing date
BIOPHARMX CORP09072X101COM370,636$382,000thousands by filing date
NATERA INC COM632307104Stock31,693$344,000thousands by filing date
GENOMIC HEALTH, INC.37244C101COM15,000$317,000thousands by filing date
ENDOLOGIX INC29266S106COM15,000$184,000thousands by filing date
VERACYTE INC COM92337F107Stock25,000$117,000thousands by filing date
ADAPTIMMUNE THERAPEUTICS PLC00653A107SPONDS ADR7,028$84,000thousands by filing date
MERIDIAN BIOSCIENCE INC589584101COMMON STOCK1,252$50,000thousands by filing datecall
UNITED STATES OIL FUND LP91232N108UNITS13,850$42,000thousands by filing datecall
BERKSHIRE HATHAWAY INC. CLASS B84670702 COM50$7,000thousands by filing dateThe CUSIP as filed is malformed.

Amendment chain

FilingRoleFiledAcceptedIngested
13F-HR 0000909012-15-000338 superseded2015-11-13acceptance time not in the bulk data set
13F-HR/A 0001493152-16-010243this filing2016-05-24acceptance time not in the bulk data set