Keiichiro Kinoshita木下 圭一郎

Major shareholder of Plus Alpha Consulting Co., Ltd.

Net worth (est.)
¥5.8B
#583 in Japan
Listed shares
Executive pay
—
Not disclosed
Dividends (a year)
¥111M
#685
Total income (est.)
¥111M
#1294
Pay + dividends, before tax
Taxes (est.)
¥22.6M
#2161
Income tax ¥17.0M / resident tax ¥5.6M
Other assets (est.)
¥110M
¥5.9B with shares
After-tax income 2025–2026, before spending

Other assets (est.): the sum of each year's after-tax income (pay + dividends in own name − estimated taxes and social insurance) and dividends retained by asset-management companies (less about 20% corporate tax), for the years we have data. Spending, real estate, donations and savings from earlier years are not reflected.

Holdings

CompanyHeld bySharesStakePriceValueDividends
Plus Alpha Consulting Co., Ltd.
4071 · FY ending Sep 2025
Own name 801,000 1.89% ¥2,492 ¥2.0B ¥23.2M
Kusurinomadoguchi, Inc.
5592 · FY ending Mar 2026
Own name 337,700 2.95% ¥2,448 ¥827M ¥12.8M
ibis inc.
9343 · FY ending Dec 2025
Own name 509,600 2.77% ¥714 ¥364M ¥5.1M
株式会社シンクロ・フード
3963 · FY ending Mar 2026
Own name 868,000 3.09% ¥418 ¥363M ¥13.0M
AFC-HD AMS Life Science Co.,Ltd.
2927 · FY ending Aug 2025
Own name 403,400 2.86% ¥865 ¥349M ¥13.7M
Yappli, Inc.
4168 · FY ending Dec 2025
Own name 347,000 2.72% ¥839 ¥291M ¥4.5M
NIFTY Lifestyle Co.,Ltd
4262 · FY ending Mar 2026
Own name 190,300 3.00% ¥1,347 ¥256M ¥11.2M
Atled Corp.
3969 · FY ending Mar 2026
Own name 162,500 2.17% ¥1,389 ¥226M ¥5.5M
S&J株式会社
5599 · FY ending Mar 2026
Own name 139,100 2.50% ¥1,408 ¥196M ¥2.1M
ユミルリンク株式会社
4372 · FY ending Dec 2025
Own name 116,000 3.03% ¥1,418 ¥164M ¥2.2M
Commerce One Holdings Inc.
4496 · FY ending Mar 2026
Own name 214,400 3.06% ¥753 ¥162M ¥4.5M
株式会社jig.jp
5244 · FY ending Mar 2026
Own name 667,700 1.62% ¥221 ¥148M ¥2.0M
Smile Holdings Inc.
7084 · FY ending Mar 2026
Own name 46,500 1.45% ¥2,963 ¥138M ¥4.4M
ウォンテッドリー株式会社
3991 · FY ending Aug 2025
Own name 93,000 0.98% ¥1,357 ¥126M ¥1.9M
Tobila Systems Inc.
4441 · FY ending Oct 2025
Own name 133,000 1.31% ¥930 ¥124M ¥2.8M
株式会社Mマート
4380 · FY ending Jan 2026
Own name 80,000 1.64% ¥1,237 ¥99.0M ¥2.0M
GNI Group Ltd.
2160 · FY ending Dec 2025
Own name 1,080,000 1.94% — — —

By year

YearNet worthPayDividendsTotal incomeTaxes (est.)After tax (est.)
2026¥2.4B—¥57.6M¥57.6M¥11.7M¥45.9M
2025¥4.1B—¥80.2M¥80.2M¥16.3M¥63.9M

Grouped by the calendar year of each company's fiscal year-end. Years in which the person was not among the top 10 shareholders of a company exclude that company.

Estimates from annual securities reports (EDINET). The English name is romanized automatically and may differ from the spelling the person uses. Methodology · Corrections and removal requests: contact