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Polaris Funds 2 MA Companies With 6th Fund

Xconomy Boston — 

Waltham, MA-based Polaris Venture Partners announced yesterday that it had invested in its first set of companies from its $375 million sixth fund, including two Massachusetts companies. Biff Labs is a Cambridge, MA-based stealthy startup that is focusing on structuring social data. Xtuit, which the Boston Business Journal reported as also located in the Boston area, is working on technology designed to better translate cancer drugs from animal models to human studies. Exact sizes of the individual deals were not disclosed in the Polaris press release.