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13F-HR filed by RTW INVESTMENTS, LP

RTW INVESTMENTS, LP filed this 13F-HR for the quarter ended 2016-03-31, filed 2016-05-11, with 34 holding rows worth $275,445,000.

Accession
0001493152-16-009638
Filed
2016-05-11
Accepted by EDGAR
acceptance time not in the bulk data set
Ingested
Source
SEC quarterly data set

Original filing

13F report for Q1 2016

A holdings report, 34 entries on the cover page, a total value of $275,445,000 stated on the cover page (in dollars after the unit check, H1), rows summing to $275,445,000 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 COM02043Q107Stock866,379$54,383,000thousands by filing date
INCYTE CORP COM45337C102Stock379,415$27,496,000thousands by filing date
LA JOLLA PHARMACEUTICAL CO503459604COM PAR $.0001 21,169,065$24,445,000thousands by filing date
ACHILLION PHARMACEUTICALS IN00448Q201COM2,558,859$19,754,000thousands by filing date
KITE PHARMA INC49803L109COM343,503$15,770,000thousands by filing date
OMEROS CORP682143102COM891,522$13,676,000thousands by filing date
AVEXIS INC05366U100COM473,374$12,895,000thousands by filing date
DICERNA PHARMACEUTICALS INC253031108COM2,026,894$10,864,000thousands by filing date
AGENUS INC00847G705COM NEW2,414,524$10,044,000thousands by filing date
BLUEBIRD BIO INC09609G100COM226,371$9,621,000thousands by filing date
FIVE PRIME THERAPEUTICS INC.33830X104Common Stock226,998$9,223,000thousands by filing date
MIRATI THERAPEUTICS INC60468T105COM428,457$9,169,000thousands by filing date
SYMMETRY SURGICAL INC87159G100COM919,680$9,068,000thousands by filing date
ATARA BIOTHERAPEUTICS INC COM NEW046513107Stock473,126$9,004,000thousands by filing date
Bristol-Myers Squibb Company110122108COM109,701$7,008,000thousands by filing date
BIOCRYST PHARMACEUTICALS INC COM09058V103Stock1,973,932$5,586,000thousands by filing date
ISHARES TR46428743220 YR TR BD ETF30,000$3,918,000thousands by filing date
CELLDEX THERAPEUTICS INC NEW15117B103COM989,376$3,740,000thousands by filing date
CORIUM INTL INC21887L107COM828,332$3,197,000thousands by filing date
GLOBAL BLOOD THERAPEUTICS USD37890U108COM190,981$3,029,000thousands by filing date
REGENXBIO INC75901B107COM241,323$2,606,000thousands by filing date
LIPOCINE INC NEW53630X104CMN240,438$2,440,000thousands by filing date
Accelerate Diagnostics00430H102COM117,176$1,684,000thousands by filing date
INVUITY INC46187J205COM NEW212,808$1,536,000thousands by filing date
CYTRX CORP232828509COM PAR $.001513,092$1,375,000thousands by filing date
MASIMO CORP COM574795100Stock25,900$1,084,000thousands by filing date
MANNKIND CORP56400P201COM4,385$899,000thousands by filing dateput
BIOPHARMX CORP09072X101COM700,636$764,000thousands by filing date
VERADIGM INC01988P108COMMON STOCK48,000$634,000thousands by filing date
NATERA INC COM632307104Stock31,693$302,000thousands by filing date
NIVALIS THERAPEUTICS INC65481J109COM30,000$125,000thousands by filing date
ADAPTIMMUNE THERAPEUTICS PLC00653A107SPONDS ADR7,691$63,000thousands by filing date
NEVRO CORP64157F103COM142$36,000thousands by filing dateput
Berkshire Hathaway Inc084670702COM50$7,000thousands by filing date

Amendment chain

FilingRoleFiledAcceptedIngested
13F-HR 0001493152-16-009638this filing2016-05-11acceptance time not in the bulk data set