Ownership

Shareholders

Shareholder

Last updated: As of April 30, 2026

Top Shareholders

Shareholder Name Number of Shares Held Shareholding Ratio
Masayuki Yamakawa 7,173,900 36.14%
SerialIncubate Co., Ltd. 1,900,800 9.57%
Masato Tsumamoto 1,358,786 6.84%
The Master Trust Bank of Japan, Ltd. (trust account) 1,131,800 5.70%
Rakuten Securities Inc. 298,900 1.50%
Custody Bank of Japan, Ltd. (trust account) 123,800 0.62%
Monex Inc. 82,514 0.41%
Hirohiko Hanaki 72,000 0.36%
Takeshi Amemiya 62,700 0.31%
Koji Kuromoto 60,000 0.30%
Makoto Iizuka 60,000 0.30%

Last updated: As of April 30, 2026


* The shareholding ratio is calculated by deducting treasury shares (580 shares) from the total number of issued shares.