The deal, to be completed this summer, will allow the Japanese electronics and entertainment giant to strengthen its presence in the fintech field to compete with global tech giants such as Alibaba and Apple, the newspaper said.
Sony plans to offer about 2,600 yen for each Sony Financial share — beyond the 65% stake it currently owns — for a premium of about 30% over Monday's closing price of 2,064 yen, the Nikkei said.
The early-afternoon report sent shares of Sony Financial up nearly 17% to 2,412 yen before trading of the stock was suspended, while Sony shares rose 4%.
Sony was not immediately available to comment when contacted by Reuters.
Sony Financial reported a net profit of 171.09 billion yen in the year ended in March.