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

RTW INVESTMENTS, LP filed this 13F-HR/A for the quarter ended 2017-12-31, filed 2018-02-28, with 32 holding rows worth $599,105,000.

Accession
0001493152-18-002731
Filed
2018-02-28
Accepted by EDGAR
acceptance time not in the bulk data set
Ingested
Source
SEC quarterly data set

Original filing

13F report for Q4 2017

A holdings report, amendment of type restatement, 32 entries on the cover page, a total value of $599,105,000 stated on the cover page (in dollars after the unit check, H1), rows summing to $599,105,000 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
PTC THERAPEUTICS INC69366J200COM4,130,115$68,890,000thousands by filing date
REGENXBIO INC75901B107COM1,561,210$51,910,000thousands by filing date
Bristol-Myers Squibb Company110122108COM839,452$51,442,000thousands by filing date
ALNYLAM PHARMACEUTICALS INC COM02043Q107Stock358,774$45,582,000thousands by filing date
DICERNA PHARMACEUTICALS INC253031108COM5,035,662$44,142,000thousands by filing date
ACHILLION PHARMACEUTICALS IN00448Q201COM13,546,902$39,015,000thousands by filing date
LA JOLLA PHARMACEUTICAL CO503459604COM PAR $.0001 21,063,170$34,213,000thousands by filing date
AVEXIS INC05366U100COM281,242$31,125,000thousands by filing date
Arbutus Biopharma Corp03879J100Common Shares, without par value5,151,615$26,016,000thousands by filing date
GLOBAL BLOOD THERAPEUTICS USD37890U108COM601,683$23,676,000thousands by filing date
ORASURE TECHNOLOGIES INC68554V108COM878,452$16,568,000thousands by filing date
BIOCRYST PHARMACEUTICALS INC COM09058V103Stock3,372,674$16,560,000thousands by filing date
CORIUM INTL INC21887L107COM1,699,653$16,334,000thousands by filing date
AGENUS INC00847G705COM NEW4,329,816$14,115,000thousands by filing date
EDWARDS LIFESCIENCES CORP COM28176E108Stock123,000$13,863,000thousands by filing date
Viewra, Inc92672L107COM1,348,210$12,484,000thousands by filing date
MYOKARDIA INC62857M105COM257,663$10,848,000thousands by filing date
MASIMO CORP COM574795100Stock120,900$10,252,000thousands by filing date
ATARA BIOTHERAPEUTICS INC COM NEW046513107Stock556,118$10,066,000thousands by filing date
PROTEOSTASIS THERAPEUTICS IN74373B109COM1,500,000$8,745,000thousands by filing date
VIVEVE MED INC92852W204COM NEW1,672,998$8,315,000thousands by filing date
UNIQURE NVN90064101SHS403,524$7,905,000thousands by filing date
VERICEL CORP92346J108COM1,304,801$7,111,000thousands by filing date
ODONATE THERAPEUTICS INC676079106COM297,555$6,768,000thousands by filing date
TACTILE SYSTEMS TECHNOLOGY I87357P100COMMON STOCK210,366$6,096,000thousands by filing date
OXFORD IMMUNOTEC GLOBAL PLCG6855A103ORD SHS375,792$5,250,000thousands by filing date
BOVIE MEDICAL CORP10211F100COM1,752,611$4,557,000thousands by filing date
ZYNERBA PHARMACEUTICALS INC98986X109COM202,859$2,540,000thousands by filing date
FIVE PRIME THERAPEUTICS INC.33830X104Common Stock100,377$2,200,000thousands by filing date
ARGENX SE SPONSORED ADR04016X101ADR25,260$1,595,000thousands by filing date
REVANCE THERAPEUTICS INC761330109COM23,038$824,000thousands by filing date
Sensus Healthcare, Inc @6.75 681728J117warrants151,400$98,000thousands by filing date

Amendment chain

FilingRoleFiledAcceptedIngested
13F-HR 0001493152-18-002062 superseded2018-02-14acceptance time not in the bulk data set
13F-HR/A 0001493152-18-002731this filing2018-02-28acceptance time not in the bulk data set