Unnamed investors have added $1.2bn to a round already featuring AIA, Mitsubishi, Visa, SCB, Astra International,
Tencent, JD.com and Google that reportedly now totals near $3bn.
SoftBank reportedly invested $1bn in the online real estate brokerage as part of a $2.41bn round also featuring Tencent at a valuation of more than $14bn.
Reports suggest Grab, which just raised $856m from strategic partners TIS and Mitsubishi UFJ Financial Group, is in talks to merge with rival Gojek in a $23bn deal.
The banking group is providing the funding as part of a collaboration deal that will involve it building a financial services app with Grab.