By Dan Primack
June 1, 2012

Ostara Nutrient Recovery Technologies Inc., a Vancouver-based company that recovers phosphorus and nitrogen from industrial and municipal wastewaters to create fertilizers, has raised US$14.5 million in new VC funding. VantagePoint Capital Partners led the round, and was joined by an affiliate of FourWinds Capital Management and return backer Frog Capital. www.ostara.com

Sonian, a Newton, Mass.-based provider of cloud-powered archiving and search, has raised $13.6 million in Series C funding. OpenView Venture Partners led the round, and was joined by return backers Summerhill Venture Partners, and Prism VentureWorks. www.sonian.com

OneSpin Solutions, a Munich-based provider of assertion-based verification solutions to chip and systems designers, has raised an undisclosed amount of new funding from existing shareholder Azini Capital. www.onespin-solutions.com

Diffbot, a San Francisco-based maker of visual learning robot technology, has raised $2 million in VC funding. Backers include Matrix Partners, Sky Dayton, Joi Ito, Andy Bechtolsheim and Brad Garlinghouse. www.diffbot.com

DataHero, a Palo Alto, Calif.-based provider of data analysis and visualization solutions for small businesses and individuals, has raised just under $1 million in seed funding led by Foundry Group. www.datahero.com

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