Polaris Re-ups with BlackArrow

Waltham, MA-based Polaris Venture Partners has joined a $20 million Series B financing round for BlackArrow, a San Mateo, CA, startup that specializes in advertising placement and management for Internet-delivered video, the company said today. Polaris’s other first-round co-investors Cisco Systems, Comcast Interactive Capital, Intel Capital, and Mayfield Fund also came back for this round, which brings BlackArrow’s total funding to $38 million.

Wade Roush is a freelance science and technology journalist and the producer and host of the podcast Soonish. Follow @soonishpodcast

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