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Current Portfolio

Flagship invests in three principle business sectors: Therapeutics; Health Technologies; and Sustainability/Clean Technology. Initial investments range between $250 thousand and $5 million, and we may invest up to $12-15 million during the life of a company. Click on a tab below to filter the listing of the portfolio by industry sector, or on a column heading to sort.

Company Description Status Initial Datesort icon
<a href="/venture-capital/all-companies/agios-pharmaceuticals-inc">Agios Pharmaceuticals, Inc.</a> Discovering and developing novel drugs in the fields of cancer metabolism and rare metabolic genetic diseases. Private 2007 View Profile
<a href="/venture-capital/all-companies/joule-unlimited-inc">Joule Unlimited, Inc.</a> Capitalizing on the global abundance of waste CO2 to economically produce renewable fuels and chemicals. Private 2007 View Profile
<a href="/venture-capital/all-companies/seventh-sense-biosystems-inc">Seventh Sense Biosystems, Inc.</a> Developing an array of products based on the company's proprietary TAP™ (Touch Activated Phlebotomy) painless blood collection platform. Private 2007 View Profile
<a href="/venture-capital/all-companies/bind-therapeutics-inc">BIND Therapeutics, Inc.</a> Developing a new class of highly selective targeted and programmable therapeutics called Accurins™. Private 2007 View Profile
<a href="/venture-capital/all-companies/novomer-inc">Novomer, Inc.</a> Commercializing a family of low-cost, high-performance, sustainable polymers and other chemicals. Private 2007 View Profile
<a href="/venture-capital/all-companies/quanterix-corporation">Quanterix Corporation</a> Developing ground-breaking tools in high definition diagnostics. Private 2007 View Profile
<a href="/venture-capital/all-companies/concert-pharmaceuticals-inc">Concert Pharmaceuticals, Inc.</a> Applying the company’s DCE Platform® (deuterated chemical entity platform) to create novel and differentiated small molecule drugs. Private 2006 View Profile
<a href="/venture-capital/all-companies/t2-biosystems-inc">T2 Biosystems, Inc.</a> Disrupting the landscape of clinical diagnostics with T2MR. Private 2006 View Profile
<a href="/venture-capital/all-companies/mascoma-corporation">Mascoma Corporation</a> Developing innovative technology for the low-cost conversion of abundant biomass. Private 2006 View Profile
<a href="/venture-capital/all-companies/tetraphase-pharmaceuticals-inc">Tetraphase Pharmaceuticals, Inc.</a> Creating novel antibiotics for serious and life-threatening multi-drug resistant infections. Public 2006 View Profile
<a href="/venture-capital/all-companies/ls9-inc">LS9, Inc.</a> Technology leader in the commercial development of a growing portfolio of sustainable products to meet the needs of chemical and fuel markets worldwide. Private 2005 View Profile
<a href="/venture-capital/all-companies/acceleron-pharma-inc">Acceleron Pharma, Inc.</a> Discovering, developing, manufacturing and commercializing novel protein therapeutics for orphan diseases and cancer. Private 2004 View Profile
<a href="/venture-capital/all-companies/black-duck-software-inc">Black Duck Software, Inc.</a> Offering award-winning software and consulting. Private 2004 View Profile
<a href="/venture-capital/all-companies/ensemble-therapeutics-corporation">Ensemble Therapeutics Corporation</a> Deploying its proprietary chemistry platforms to develop a novel class of therapeutics known as “Ensemblins”. Private 2004 View Profile
<a href="/venture-capital/all-companies/helicos-biosciences-corporation">Helicos BioSciences Corporation</a> Innovative genetic analysis technologies for the development and marketing of molecular diagnostics tests. Public 2003 View Profile
<a href="/venture-capital/all-companies/seahorse-bioscience-inc">Seahorse Bioscience, Inc.</a> Providing XFe Analyzers and stress test kits that are becoming the industry standard in cell metabolism measurements. Private 2001 View Profile
<a href="/venture-capital/all-companies/selventa">Selventa</a> Pioneering the development of Systems Diagnostics (SysDx(TM)). Private 2001 View Profile
<a href="/venture-capital/all-companies/affinnova-inc">Affinnova, Inc.</a> Software and services used by brands to dramatically improve their innovation and marketing success rate. Private 2000 View Profile
<a href="/venture-capital/all-companies/bg-medicine-inc">BG Medicine, Inc.</a> Novel cardiovascular tests to address significant unmet medical needs, improve patient outcomes and reduce healthcare costs. Public 2000 View Profile