Benvenue Medical Inc., a Santa Clara, Calif.-based developer of minimally-invasive solutions for spine repair, has raised $25 million in Series D funding. Return backers include investors DeNovo Ventures, Domain Associates, Technology Partners and Versant Ventures. www.benvenuemedical.com
Plexxi, a Nashua, N.H.-based stealth networking startup, has raised $20.1 million in Series C funding. Return backers include Lightspeed Venture Partners, Matrix Partners and Northbridge Venture Partners.www.plexxi.com
LogRhythm, a Boulder, Colo.-based provider of cyber threat defense, detection and response solutions, has raised $15 million in Series D funding. Siemens Venture Capital led the round, and was joined by return backers Adams Street Partners and Grotech Ventures. www.logrhythm.com
Yodo1, a game publishing platform for Western developers seeking to monetize the China smartphone market, has raised $2 million in seed funding from the Chang You Fund. www.yodo1.com
Quantum OPS Inc., a Pittsburgh-based developer of orthopedic technologies for the operating room, has raised $1.05 million in Series A funding co-led by the Pittsburgh Life Science Greenhouse and PLSG Accelerator Fund. www.quantumops.com
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