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MPM Asset Management LLC

Q4 2014 Holdings

Filed 2015-02-02 | 15 holdings | $450.3K | 13F-HR | View on SEC ↗ · Holdings Table ↗

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IssuerClassCUSIPValue ↓Shares% Portfolio
Radius Health, Inc.Common750469207$226.9K5,831,25350.4%
EpiZyme, Inc.(EPZMEUR)Common29428V104$45.5K2,413,81910.1%
Aratana Therapeutics Inc.(PETXEUR)Common03874P101$37.8K2,118,8458.4%
Portola Pharmaceuticals, Inc.Common737010108$34.6K1,220,6727.7%
Nevro Corporation(NVROEUR)Common64157F103$26.6K686,7045.9%
Trivascular Technologies, Inc.Common89685A102$22.3K1,776,6925.0%
Celladon CorporationCommon15117E107$15.6K800,5423.5%
PharmAthene, Inc.Common71714G102$11.5K6,347,6142.6%
Proteon Therapeutics, Inc.Common74371L109$10.2K983,3812.3%
Conatus Pharmaceuticals, Inc.(CNATEUR)Common20600T108$8.3K1,192,0801.9%
Verastem, Inc.Common92337C104$7.5K816,6831.7%
EnteroMedics, Inc.Common29365M208$1.6K1,113,1680.4%
Mast Therapeutics, Inc.Common576314108$1.4K2,551,8510.3%
Sangamo Biosciences, Inc.(SGMO)Common800677106$34222,4870.1%
MacroGenics, Inc.(MGNX)Common556099109$1113,1680.0%