$16M sweet spot round size
Most of their 22 investments are in rounds between $7.5M and $37M
1999
Undisclosed raised $80M on August 14, 2012
Investors: New Leaf Venture Partners, 5AM Ventures, Delphi Ventures, OrbiMed Advisors and Mediphase Venture Partners
Undisclosed raised $62M on July 1, 2012
Investors: Delphi Ventures, 5AM Ventures, OrbiMed Advisors, New Leaf Venture Partners and Mediphase Venture Partners
Undisclosed raised $70M on August 8, 2011
Investors: 5AM Ventures, OrbiMed Advisors, New Leaf Venture Partners and Mediphase Venture Partners
Undisclosed raised $70M on September 13, 2010
Investors: Delphi Ventures, 5AM Ventures, New Leaf Venture Partners, OrbiMed Advisors and Mediphase Venture Partners
Tetraphase raised $45M on June 1, 2010
Investors: F-Prime Capital Partners, Sky Ventures, Flagship Ventures, Excel Venture Management, LLC and Mediphase Venture Partners
ImpactRx raised $1.2M on January 11, 2010
Investors: Omega Funds and Mediphase Venture Partners
Tetraphase raised $25M on September 22, 2009
Investors: Sky Ventures, Flagship Ventures, F-Prime Capital Partners and Mediphase Venture Partners
Tetraphase raised $15M on August 7, 2008
Investors: CMEA Capital, Fidelity Growth Partners, Sky Ventures and Mediphase Venture Partners
Wellpartner raised $16M on August 5, 2008
Investors: Montlake Capital, 3i Group plc, -, Greenwood Management and Mediphase Venture Partners
Concert Pharmaceuticals raised $37M on April 30, 2008
Investors: TVM Life Science Management Inc, Three Arch Partners, New Leaf Venture Partners, Sky Ventures, QVT Financial LLP, Greylock Partners, Flagship Ventures and Mediphase Venture Partners