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RTW Investments, LP

Q1 2016 Holdings

Filed 2016-05-11 | 34 holdings | $60.9M | 13F-HR | View on SEC ↗ · Holdings Table ↗

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IssuerClassCUSIPValue ↓Shares% Portfolio
Alnylam Pharmaceuticals Inc(ALNY)COM02043Q107$54.4M866,37989.3%
BioCryst Pharmaceuticals Inc(BCRX)COM09058V103$5.6M1,973,9329.2%
Allscripts Healthcare Solutions Inc(MDRX)COM01988P108$634.0K48,0001.0%
Adaptimmune Therapeutics(ADAPY)SPONDS ADR00653A107$63.0K7,6910.1%
Incyte Corp(INCY)COM45337C102$27.5K379,4150.0%
La Jolla Pharmaceutical Co(LJPC)COM PAR $.0001 2503459604$24.4K1,169,0650.0%
Achillion Pharmaceuticals Inc(ACHNEUR)COM00448Q201$19.8K2,558,8590.0%
Kite Pharma IncCOM49803L109$15.8K343,5030.0%
Omeros Corp(OMER)COM682143102$13.7K891,5220.0%
Avexis IncCOM05366U100$12.9K473,3740.0%
Dicerna Pharmaceuticals Inc(DRNAUSD)COM253031108$10.9K2,026,8940.0%
Agenus Inc(AGENEUR)COM NEW00847G705$10.0K2,414,5240.0%
bluebird bio IncCOM09609G100$9.6K226,3710.0%
Five Prime Therapeutics Inc(FPRX)COM33830X104$9.2K226,9980.0%
Mirati Therapeutics Inc(MRTXEUR)COM60468T105$9.2K428,4570.0%
Symmetry Surgical IncCOM87159G100$9.1K919,6800.0%
Atara Biotherapeutics Inc.(ATRAGBX)COM046513107$9.0K473,1260.0%
Bristol-Myers Squibb Co(BMY)COM110122108$7.0K109,7010.0%
iShares 20+ Year Treasury Bond ETF(TLT)20 YR TR BD ETF464287432$3.9K30,0000.0%
Celldex Therapeutics IncCOM15117B103$3.7K989,3760.0%
Corium International IncCOM21887L107$3.2K828,3320.0%
Global Blood Therapeutics IncCOM37890U108$3.0K190,9810.0%
Regenxbio Inc(RGNX)COM75901B107$2.6K241,3230.0%
Lipocine IncCOM53630X104$2.4K240,4380.0%
Accelerate Diagnostics IncCOM00430H102$1.7K117,1760.0%
Invuity IncCOM NEW46187J205$1.5K212,8080.0%
CytRx CorpCOM PAR $.001232828509$1.4K513,0920.0%
Masimo Corp(MASI)COM574795100$1.1K25,9000.0%
Mnkd 01/20/2017 PUT 3PutCOM56400P201$8994,3850.0%
Biopharmx CorpCOM09072X101$764700,6360.0%
Natera Inc(NTRA)COM632307104$30231,6930.0%
Nivalis Therapeutics IncCOM65481J109$12530,0000.0%
Nvro 05/20/2016 PUT 50(NVROEUR)PutCOM64157F103$361420.0%
Berkshire Hathaway Inc(BRK/B)CL B NEW084670702$7500.0%