Venture capital deals

April 17, 2012, 5:24 PM UTC

Quantenna Communications Inc., a Fremont, Calif.-based provider of Wi-Fi video networking for whole-home entertainment, has raised $79 million in new VC funding. Rusnano led the round with a $40 million commitment, and was joined by Bright Capital and return backers Sequoia Capital ($20m), DAG Ventures, Grazia Equity, Sigma Partners, Southern Cross Venture Partners and Venrock Associates. The company previously raised around $65 million.

WaveTec Vision, an Aliso Viejo, Calif.-based developer of a diagnostic device for use in cataract surgery, has raised $16.5 million in new VC funding. Burrill & Co. led the round, and was joined by return backers Versant Ventures, Accuitive Medical Ventures, De Novo Ventures and Gund Investment Corp.

Alcresta, a Newton, Mass.-based developer of enzyme-based nutritional products for those suffering from acute or chronic conditions, has raised $10 million in Series A funding. Backers include Bessemer Venture Partners, Frazier Healthcare and Third Rock Ventures. Alcresta is being formed as an independent partner to Allena Pharmaceuticals, which recently was formed by the same three VC firms.

Chartbeat, a New York-based provider of real-time analytics for websites, has raised $9.5 million in Series B funding co-led by Draper Fisher Jurvetson and Index Ventures.

Opanga Networks
, a Seattle-based provider of network optimization solutions for improving mobile video and multimedia performance, has raised $6 million in new VC funding led by Pacific Wireless Ventures.

Schoology, a New York-based developer of a cloud-based collaborative learning platform for K-20 classrooms, has raised $6 million in new VC funding. FirstMark Capital led the round, and was joined by return backer Meakem Becker Venture Capital. The company previously raised $3.3 million.

Blur Group, a London-based marketing procurement startup, has raised $2 million in angel funding from individuals like Archie Norman (chairman of ITV), Kevin Lomax (founder of Misys PLC) and Tim Schoonmaker (chairman of Grapeshot Ltd.).

Zephyr Technology, an Annapolis, Md.-based provider of real-time physiological monitoring solutions, has raised an undisclosed amount of Series C funding. 3M New Ventures led the round, and was joined by return backers Alsop Louie Partners and Motorola Solutions Venture Capital. An SEC filing suggests that the company was seeking nearly $12 million. Zephyr Technology.

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