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RA Capital Management, L.P.

Q4 2013 Holdings

Filed 2014-02-14 | 31 holdings | $63.1M | 13F-HR | View on SEC ↗ · Holdings Table ↗

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IssuerClassCUSIPValue ↓Shares% Portfolio
Biocryst Pharmaceuticals(BCRX)COM09058V103$33.0M4,347,45652.4%
Acadia Pharmaceuticals Inc(ACAD)COM004225108$29.2M1,169,89846.4%
Acadia Pharmaceuticals Inc(ACAD)CallCOM004225108$131.2K5,250,0000.2%
Achillion Pharmaceuticals in(ACHNEUR)COM00448Q201$77.6K23,366,0070.1%
Sangamo Biosciences Inc(SGMO)COM800677106$72.6K5,227,2720.1%
Therapeuticsmd IncCOM88338N107$60.7K11,660,1080.1%
Novavax IncCOM670002104$55.4K10,811,8880.1%
Ophthotech CorpCOM683745103$51.8K1,600,4550.1%
Prothena Corp PLC(PRTA)SHSG72800108$43.5K1,641,1670.1%
Sangamo Biosciences Inc(SGMO)CallCOM800677106$41.7K3,000,0000.1%
Dynavax Technologies CorpCOM268158102$35.1K17,883,9540.1%
Xencor Inc(XNCR)COM98401F105$24.9K2,725,0000.0%
Sunesis Pharmaceuticals IncCOM NEW867328601$23.1K4,869,2610.0%
Arrowhead Resh CorpCOM NEW042797209$22.2K2,049,2200.0%
Derma Sciences IncCOM PAR $.01249827502$21.6K1,994,8760.0%
Tesaro IncCOM881569107$19.8K700,0000.0%
PTC Therapeutics Inc(PTCT)COM69366J200$12.8K752,4380.0%
Dyax CorpCOM26746E103$12.2K1,619,6970.0%
Newlink Genetics CorpCallCOM651511107$11.0K500,0000.0%
Mirati Therapeutics Inc(MRTXEUR)COM60468T105$10.9K656,7670.0%
Rockwell MED IncPutCOM774374102$10.4K1,000,0000.0%
Achillion Pharmaceuticals in(ACHNEUR)CallCOM00448Q201$10.0K3,000,0000.0%
Bluebird BIO IncCOM09609G100$9.8K467,4180.0%
Ocera Therapeutics IncCOM67552A108$8.6K661,6960.0%
Enzo Biochem Inc(ENZB)COM294100102$6.6K2,268,6530.0%
Macrogenics Inc(MGNX)COM556099109$5.5K199,3980.0%
Psivida CorpCOM74440J101$4.7K1,187,6080.0%
Dyax CorpCallCOM26746E103$3.8K500,0000.0%
MEI Pharma IncCOM NEW55279B202$3.3K408,3330.0%
Chelsea Therapeutics Intl LTCOM163428105$3.0K666,6670.0%
Coronado Biosciences IncCallCOM21976U109$2.6K1,000,0000.0%