TOKYO (Reuters) - Private equity firm KKR has secured more than one-third of the shares in Japanese software developer Fuji Soft after the first part of its two-stage buyout tender offer, a person familiar with the matter said on Wednesday.

The person did not state the exact share of Fuji Soft's shares KKR secured and asked not to be identified because the result has not yet been publicly disclosed.

(Reporting by Anton Bridge; Editing by Muralikumar Anantharaman)