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RTW Investments, LP

Q2 2015 Holdings

Filed 2015-08-14 | 34 holdings | $83.6M | 13F-HR | View on SEC ↗ · Holdings Table ↗

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IssuerClassCUSIPValue ↓Shares% Portfolio
Alnylam Pharmaceuticals Inc(ALNY)COM02043Q107$49.3M411,01658.9%
BioCryst Pharmaceuticals Inc(BCRX)COM09058V103$33.8M2,261,36140.4%
Adaptimmune Therapeutics(ADAPY)COM00653A107$367.0K20,0000.4%
Kite Pharma IncCOM49803L109$24.4K400,0000.0%
Achillion Pharmaceuticals Inc(ACHNEUR)COM00448Q201$22.3K2,515,4330.0%
Incyte Corp(INCY)COM45337C102$20.3K195,0000.0%
Arrowhead Research CorpCOM042797209$18.3K2,560,0000.0%
Dicerna Pharmaceuticals Inc(DRNAUSD)COM253031108$17.9K1,279,8860.0%
Agenus Inc(AGENEUR)COM00847G705$17.7K2,052,9150.0%
bluebird bio IncCOM09609G100$17.7K105,0000.0%
Dyax CorpCOM26746E103$14.8K559,1410.0%
Five Prime Therapeutics Inc(FPRX)COM33830X104$13.9K560,4370.0%
Celldex Therapeutics IncCOM15117B103$11.9K471,5540.0%
Targacept IncCOM87611R306$7.4K2,665,6430.0%
La Jolla Pharmaceutical Co(LJPC)COM503459604$7.0K283,7000.0%
Bristol-Myers Squibb Co(BMY)COM110122108$6.5K97,4540.0%
Bristol Myers Squibb Co 01/15/2016 Call 60CallLONG OPTION CALLS110122908$6.1K$7,5000.0%
Symmetry Surgical IncCOM87159G100$6.1K700,8510.0%
Corium International IncCOM21887L107$4.9K355,0070.0%
NewLink Genetics CorpCOM651511107$4.4K100,0000.0%
iShares 20+ Year Treasury Bond ETF(TLT)COM464287432$3.9K33,0000.0%
United States Oil ETFCOM91232N108$3.3K165,0000.0%
Presbia PlcCOMG7234P100$2.9K350,0000.0%
Invuity IncCOM46187J205$2.3K165,0000.0%
Lipocine IncCOM53630X104$1.8K209,3330.0%
CytRx CorpCOM232828509$1.7K446,7140.0%
Repros Therapeutics IncCOM76028H209$1.6K229,3640.0%
Biopharmx CorpCOM09072X101$949370,6360.0%
Nivalis Therapeutics IncCOM65481J109$45530,0000.0%
Meridian Bioscience Inc. Vivo 10/16/2015 Call 20CallLONG OPTION CALLS589584901$260$3,7560.0%
Zogenix IncCOM98978L204$192114,1280.0%
Valeant Pharmaceuticals Intl VRX 10/16/2015 Call 260CallLONG OPTION CALLS91911K902$78$1500.0%
Fortress Biotech IncCOM34960Q109$4011,9170.0%
Berkshire Hathaway Inc(BRK/B)COM084670702$7500.0%