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.

Companysort icon Description Status Initial Date
<a href="/venture-capital/all-companies/visterra-inc">Visterra, Inc.</a> Discovering and developing innovative products that will transform the prevention and treatment of infectious diseases. Private 2008 View Profile
<a href="/venture-capital/all-companies/transmedics-inc">TransMedics, Inc.</a> Extending the life saving benefits of organ transplantation to patients suffering from end-stage organ failure. Private 2010 View Profile
<a href="/venture-capital/all-companies/taris-biomedical-inc">TARIS Biomedical, Inc.</a> Developing a pipeline of innovative treatments for bladder diseases. Private 2008 View Profile
<a href="/venture-capital/all-companies/tangent-medical-technologies-inc">Tangent Medical Technologies Inc.</a> Developing and commercializing IV therapy products. Private 2011 View Profile
<a href="/venture-capital/all-companies/t2-biosystems-inc">T2 Biosystems, Inc.</a> Using T2MR to develop a broad set of applications aimed at lowering mortality rates, improving patient outcomes and reducing the cost of healthcare. Public 2006 View Profile
<a href="/venture-capital/all-companies/syros-pharmaceuticals-0">Syros Pharmaceuticals</a> Harnessing breakthroughs in gene control to revolutionize the treatment of cancer and other diseases. Private 2012 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/seres-health">Seres Health</a> Discovering and developing Ecobiotic® therapeutic products to treat important diseases by targeting the underlying biology of the human microbiome. Private 2012 View Profile
<a href="/venture-capital/all-companies/selventa">Selventa</a> Pioneering the development of Systems Diagnostics (SysDx™). Private 2001 View Profile
<a href="/venture-capital/all-companies/selecta-biosciences-inc">Selecta Biosciences, Inc.</a> Developing novel drugs that use immune modulating nanomedicines to generate targeted antigen-specific immune responses to prevent and treat disease. Private 2008 View Profile
<a href="/venture-capital/all-companies/seahorse-bioscience-inc">Seahorse Bioscience, Inc.</a> XF instruments are the industry standard in cellular bioenergetic measurements. Private 2001 View Profile
<a href="/venture-capital/all-companies/quantum-designs">Quantum Designs</a> Commercializing breakthrough, innovative products in human nutrition. Private 2012 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/pronutria">Pronutria</a> Transforming medicine with ProNutrein™ products, protein nutrients identified in the human diet, for the dietary management of disease. Private 2010 View Profile
<a href="/venture-capital/all-companies/permeon-biologics-inc">Permeon Biologics Inc.</a> Pioneering a breakthrough class of intracellular biologics that target a broad spectrum of previously undruggable targets. Private 2011 View Profile
<a href="/venture-capital/all-companies/oasys-water-inc">Oasys Water, Inc.</a> Leading the world in the development of forward osmosis based solutions for the treatment and desalination of high saline source waters. Private 2009 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/moderna">Moderna</a> Pioneering an entirely new drug modality using messenger RNA therapeutics™. Private 2010 View Profile
<a href="/venture-capital/all-companies/midori-renewables-inc">Midori Renewables Inc.</a> Deploying Breaking the Biomass Barrier™ technology that melts and digests biomass into sugars. Private 2009 View Profile
<a href="/venture-capital/all-companies/mascoma-corporation">Mascoma Corporation</a> Leading technology for the conversion of biomass to fuels and chemicals. Private 2006 View Profile