The company's Series E financing lid was raised to USD 2.8 billion overall, not changing Uber's dizzying valuation of around USD 41 billion but pumping up its coffers as it expands globally despite efforts by the traditional taxi industry to put up roadblocks.
"The participation we have seen in Uber's Series E underscores the confidence investors have in Uber's growth and the key priorities of UberPool and further international expansion," the company said in an email response to an AFP inquiry.
The fast-growing San Francisco-based company lets people use smartphone applications to summon and pay for car rides from motorists interested in sharing space in vehicles.
Uber is embroiled in several controversies around the world, and earlier this month complied with an order to stop operating in New Delhi after an Indian woman was allegedly raped by one of its drivers.
It has drawn protests from established taxi operators in many cities and been ruled illegal in some jurisdictions, while the company has seen its image tarnished by executives' gaffes and concerns on privacy.