Acceleron Pharma (Cambridge, MA) is a clinical-stage biopharmaceutical company focused on protein therapeutics for anemia, cancer, Duchenne Muscular Dystrophy and bone loss diseases, closed a $30.4M Series D financing. Participants have included Advanced Technology Ventures, Avalon Ventures, Bessemer Venture Partners, Celgene, Flagship Ventures, MPM Capital, Orbimed, Polaris Ventures, QVT Financial, Sutter Hill Ventures and Venrock.

Verastem (Boston, MA) a development stage biopharmaceutical company focused on the treatment of cancer by targeting stem cells, closed a $32M Series B financing. Participants include Advanced Technology Ventures, Astellas Venture Management, Longwood Founders Fund, Bessemer Venture Partners, Cardinal Partners and MPM Capital.
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Nevro (Menlo Park, CA) a clinical-stage medical device company focused on neuromodulation for the relief of chronic pain, closed a $58M Series B financing. Participants include Johnson & Johnson Development Corp, Aberdare Ventures, Accuitive Medical Ventures, Bay City Capital, MPM Capital and Three Arch Partners.

Theraclone Sciences (Seattle, WA) a preclinical-stage biopharmaceutical company focused on monoclonal antibodies for infectious disease and inflammation, closed a $10.6M Series B, bringing the total round to $41M. Participants include Arch Venture Partners, Canaan Partners, MPM Capital, Healthcare Ventures, Alexandria Real Estate Equities, Amgen Ventures and Zenyaku Kogyo.

Valeritas (Bridgewater, NJ) a commercial-stage developer of a disposable insulin delivery device, closed a $150M Series C financing. Participants include Welsh, Carson, Anderson & Stowe, MPM Capital, Pitango Venture Capital, Abingworth Management, Advanced Technology Ventures, Onset Ventures, HLM Venture Partners, Agate Medical Investments, CHL Medical Partners and Kaiser Permanente Ventures.

Radius Health (Cambridge, MA) a clinical-stage biopharmaceutical company focused on osteoporosis and women’s health, closed a $66M Series C financing. Participants include Brookside Capital, Saints Capital, Nordic Bioscience, Ipsen Pharma, MPM Capital, BB Biotech Ventures, The Wellcome Trust, HealthCare Ventures and Scottish Widows Investment Partnership.

Conatus Pharmaceuticals (San Diego, CA) a clinical-stage biopharmaceutical company focused on liver disease and cancer, closed a $7.5M financing bring the total Series B round to $32.5M. Participants include MPM Capital.

Aratana Therapeutics (Kansas City, KS) a clinical-stage animal health company focused on pain, cancer, inflammation, cachexia and frailty, closed a $20M Series A financing. Participants include MPM Capital, Cultivian Ventures and Avalon Ventures.

Aires Pharmaceuticals (San Diego, CA) a clinical-stage pharmaceutical company focused on small molecule combination therapy for the treatment of pulmonary arterial hypertension, closed a $20M Series B financing. Participants include MPM Capital and ProQuest Investments.

Ceregene (San Diego, CA) a clinical-stage biopharmaceutical company focused adeno-associated virus vector-based gene therapy for Parkinson’s and Alzheimer’s disease, closed a $11.5M Series D financing. Participants include Hamilton BioVentures, Alta Partners, MPM Capital and Investor Growth Capital.

Verastem (Boston, MA) a development-stage biopharmaceutical company focused on stem cell oncology therapeutics, closed a $16M Series A financing. Participants include Longwood Founders Fund, Bessemer Venture Partners, Cardinal Partners and MPM Capital.

iPierian (San Francisco, CA) a development-stage induced pluripotent stem cell (iPSC) drug discovery company focused upon neurodegenerative disease including ALS and Parkinson’s, closed a $6M Series B financing, bring the round total to $28M. Participants include SR One, Biogen Idec, Google Ventures, Mitsubishi UFJ Capital, ATEL Ventures, MPM Capital, Highland Capital Partners and Kleiner Perkins [...]

Rhythm Pharmaceuticals (Boston, MA) a clinical-stage small peptide company focused on diabetes, obesity and GI disorders, closed a $19M Series A financing, bringing the total round to $40M. Participants include MPM Capital, New Enterprise Associates and Third Rock Ventures.