Alongside Amgen Ventures, which was founded in 2004, in Ardelyx's $30m B round were venture capital firms NEA and CMEA and individual investors.

Last month, DST Global, the fund run by Russian businessman Yuri Milner, invested $50m in ZocDoc.

As well as IDG Capital, Yiji's $20m series B round also included venture capital firms Trust Bridge Partners and Hong Kong firm Big Profit.

JustFabulous, a US-based fashion brand and retail website, has raised $33m in its series A round after being incubated by consumer products conglomerate Intelligent Beauty.

Steamboat Ventures-backed Sometrics has sold 3.3 trillion units of its Game Coins virtual currency since launching in 2007, with more than 2 million users spending the currency every month.

Pharmaceutical corporation Novartis joins founder Apple Tree Partners in funding Tokai, developer of an anti-prostate cancer drug.

The Bayer-partnered biopharmaceutical company has closed a further round of funding, taking its overall equity to almost $100m.

Secondaries venture capital firm W Capital Partners led the round, which included Time Warner Investments and SAP Ventures, and took Tremor's total to $115m.

In May, MapR struck a strategic partnership with database provider EMC but its investors only disclose three venture capital firms.