Quora, a Palo Alto, Calif.–based Q&A site, has raised $50 million in new VC funding at a $450 million post-money valuation. Peter Thiel led the round, and was joined by Matrix Partners, Northbridge Venture Partners, Quora co-founder Adam D’Angelo and return backer Benchmark Capital. www.quora.com
Aquantia, a Milpitas, Calif.-based provider of Ethernet connectivity solutions for cloud computing and large-scale data center deployments, has raised $35 million in Series F funding. Rusano led the round, and was joined by undisclosed new and existing backers. The company previously raised around $94 million from LSI Corp., New Enterprise Associates, Lightspeed Venture Partners, Greylock Partners, Pinnacle Ventures and Venture Tech Alliance. www.aquantia.com
ModCloth, a San Francisco-based online retailer of independently-designed fashion and décor, has raised $25 million in new VC funding. Norwest Venture Partners led the round, and was joined by return backers Accel Partners, First Round Capital, Floodgate, Harrison Metal Capital and Great Oaks Venture Capital. The company previously raised over $34 million. www.modcloth.com
Sonitus Medical Inc., a San Mateo, Calif.-based maker of a removable hearing device to transmit sound via the teeth, has raised $25 million in Series D funding. Abingworth led the round, and was joined by return backers Arboretum Ventures, In-Q-Tel and Novartis Venture Funds. www.sonitusmedical.com
Livebookings, a London–based provider of online marketing services for restaurants, has raised £15 million in new VC funding. Return backers include Balderton Capital, Wellington Partners and Ekstranda. www.livebookings.com
Gamida Cell, an Israel-based developer of stem cell population expansion technologies and stem cell therapy products for transplantation and regenerative medicine, has raised $10 million in Series E funding. Return backers include Elbit Imaging, Clal Biotechnology Industries, Israel Healthcare Venture, Teva Pharmaceutical Industries, Amgen, Denali Ventures and Auriga Ventures. www.gamida-cell.com
Behance, a New York-based online creative portfolio platform, has raised $6.5 million in first-round funding. Union Square Ventures led the round, and was joined by individual angels like Jeff Bezos. www.behance.com
Simplee, a Palo Alto, Calif.-based provider of a web-based service for managing healthcare expenses, has raised $6 million in Series A funding. The Social+Capital Partnership led the round, and was joined by seed backer Greylock Partners. www.simplee.com
Prosodic Inc., a Seattle-based provider of software for optimizing owned Facebook content, has raised $1.4 million in seed funding from angel investors like David Remer and Gary Vaynerchuk. www.prosodic.com
Just Cellular Inc., a Chatsworth, Calif.-based online source for new, used and refurbished cell phones, has raised an undisclosed amount of funding from UPS Capital. www.justcellularstore.com
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