The online education provider, a graduate of software provider Microsoft's Beijing accelerator and a portfolio company of the Fosun-backed Kinzon Capital, raised the funds across series B and B+ rounds.

PNC and First Data joined existing investor Intel Capital in a $31.5m round that increased the medical software provider's overall financing to more than $130m.

Getco-backed investment algorithm platform developer Quantopian will invest the cash in improving its product and education material, and acquiring additional datasets.

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

The personal robot developer has secured $13.1m, after raising more than $52m last year from investors including Samsung, Acer, KDDI, LG Uplus, Dentsu, NetPosa and Ningbo GQY.

The $30.5m round featured existing shareholder MassMutual and will allow digital risk management company RiskIQ to grow its ecosystem and boost sales.

Astremedia, Channel 4 and ad-for-equity vehicle German Media Pool VC all participated as new investors, lifting the HR marketplace's total funding to $30m.