Series E round for healthcare company Adimab at a pre-money valuation of $520m, according to news provider Xconomy.

Second round in a year for Avnera, a US-based maker of semiconductors.

FTV Capital, a financial services-focused venture capital (VC) firm with Visa and Hartford as two of its strategic limited partners, led the E round for Vindicia, which also has Germany-based media group Bertelsmann as an investor.

Nanosys, a US-based technology company that makes small components for lights and batteries, has raised a further $6m to close its extended series E round.

MedImmune, Roche and Genechem previously backed Ambit Biosciences, which is nearly to closing latest round.

BlueCross BlueShield Venture Partners, a $116m corporate venturing fund sponsored by the Blue Cross and Blue Shield Association managed by venture capital and incubation firm Sandbox Industries, invests in Nexidia's $23m round as a new investor.

Hong Kong-based Ace Limited reportedly backs Chegg.com, a US-based online marketplace for textbook rentals.

IDG-backed Tudou gains $35m from Singapore's state investment vehicle Temasek.

Funding for strategic and venture capital-backed BlueArc clears $224m.

Venture backing to biotech company Pacific Biosciences takes funding to $370m.