Rocket Fuel, a Redwood Shores, Calif.-based provider of artificial intelligence advertising solutions for digital marketers, has raised $50 million in new funding. Northgate Capital led the round, and was joined by fellow return backers Nokia Growth Capital and Mohr Davidow Ventures. Also participating were new investors Summit Partners and Cross Creek Capital, plus Comerica Bank. The company previously raised $26 million. Www.rocketfuel.com
Practice Fusion, a San Francisco–based free electric medical records platform, has raised $34 million in Series C funding. Artis Ventures led the round, and was joined by return backers like Felicis Ventures, Band of Angels, Glynn Capital, Founders Fund, Morgenthaler Ventures, SV Angel and Barton Asset Management. Www.practicefusion.com
Aptus Endosystems Inc., a Sunnyvale, Calif.-based developer of technology for endovascular aneurysm repair, has raised $25 million in new VC funding. Synergy Life Science Partners led the round and was joined by return backers U.S. Venture Partners and Longitude Capital Management.Www.aptusendosystems.com
Carena Inc., a Seattle-based developer of a tech-enabled healthcare delivery model, has raised $14 million in VC funding led by nonprofit health system Catholic Health Initiatives. Www.CarenaMD.com
Chill, a Los Angeles-based platform for social video discovery, has raised $8 million in new VC funding.Kleiner Perkins Caufield & Byers and William Morris co-led the round, and were joined by Atlas Venture and Lowercase Capital. Existing backers include 500 Startups, CrunchFund and Redpoint Ventures.Www.chill.com
Aviary, a New York-based cross-platform photo-editing solution, has raised $6 million in new funding from firms like Spark Capital and Bezos Expeditions. Www.aviary.com
VolunteerSpot, an Austin, Texas-based provider of online volunteer tools for mobilizing and coordinating communuity volunteers, has raised $1.5 million in VC funding. FF Venture Capital led the round, and was joined by individual angels. Www.volunteerspot.com
ColorModules Inc., a New York-based visual product recommendation engine, has raised $1.3 million in Series A funding led by Golden Seeds. Www.colormodules.com
Dogvacay.com, a community where users can have their dogs boarded in real home settings (i.e., not kennels), has raised an undisclosed amount of new funding from Andreessen Horowitz. The company previously had raised around $1 million from First Round Capital, Science Ventures and Baroda Ventures. Www.dogvacay.com
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