IDG Capital has put money into Tangdou, an app that provides group dance exercises, two months after Legend Capital contributed to a $15m round.

RELX and In-Q-Tel-backed Palantir has added $20m to its coffers, following an $880m round in December.

The coronary stent technology developer, backed by GE and St Jude Medical, has raised $25.8m in a round expected to close at $30m.

Dell Ventures returned to back Invincea, developer of an anti-malware product called X by Invincea, having co-led its $16m series C round.

New strategic partner Fosun led the round, announced this by baby and child social e-commerce platform Babytree but closed in July.

Private equity firm LLR Partners led a $26.5m round for the paperless transaction management company, which received funding from Intel and GE in 1999.

Convoy has led a $37.2m round for digital wealth manager Nutmeg, doubling its total funding to about $74m in the process.

The modular shoelace developer received the funding from backers including Sforza, the owner of new strategic partners Topper Brazil and Rainha, and a footwear brand that is most likely Adidas.