Citi Ventures joined the cybersecurity technology developer's investors as it followed a $4.5m series B round raised almost two years ago.

Norwest Venture Partners participated in the referral marketing software developer's latest round, which lifted its total funding to $25m.

The payment technology company will partner with Mastercard after closing a round that increased its overall funding to $110m.

Xiaomi-backed wifi network operator WiWide has raised $49m in a series C round funded by Tencent and Dianping.

Returning backers included Baxter Ventures, Takeda Ventures and Lundbeck, as Naurex, which is developing treatments for depression, boosted its total funding to $135m.

Smartphone manufacturer Xiaomi has joined Coca-Cola, Atom Factory and O'Reilly Media as backers of the wearables company, which has now raised $63m in total.

Mayo Clinic-backed Seres has raised its third funding round in just over a year and could go public as early as next year.

SAP-affiliated firm Sapphire Ventures led the round, which increased the data software provider's overall funding to $55m.