Quabbin Capital is a privately-held investment management firm focusing on alternative asset investments in the US and certain international markets. Its diversified portfolio includes medium to long-term investments, with interests in private equity, mezzanine loans, venture capital, energy, and real estate. Quabbin has completed over fifty direct and fund investments in a diverse group of industries ranging from early stage bioscience and digital technology to manufacturing and financial services.

Quabbin has succeeded in creating growth and value in its portfolio, both through independent investments as well as by partnering with other private investors.

Quabbin leverages longstanding relationships with its equity sponsors and co-investors, as well as a network of investment bankers, attorneys, accountants, and other advisors to identify and develop strategic investment opportunities. This combination of experience, resources, and expertise provides breadth, depth and vision to Quabbin's decisionmaking process.