Daisuke Tatsumi巽 大介

Representative Director, The Kosei Securities Co.,Ltd

Net worth (est.)
¥1.8B
#1453 in Japan
Listed shares · incl. ¥1.5B via asset-management cos.
Executive pay
¥34.0Mest.
Average for the same officer category
Dividends (a year)
¥36.0M
#1519
Own name ¥5.4M / via companies ¥30.6M
Total income (est.)
¥70.0M
#2026
Pay + dividends, before tax
Taxes (est.)
¥14.8M
#2932
Income tax ¥11.3M / resident tax ¥3.5M
Other assets (est.)
¥47.1M
¥1.9B with shares
After-tax income 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.

Asset-management companies: 株式会社 巽事務所est., 株式会社 巽也蔵est. (their holdings are included in net worth)

Holdings

CompanyHeld bySharesStakePriceValueDividends
The Kosei Securities Co.,Ltd
8617 · FY ending Mar 2026
株式会社 巽也蔵 1,896,000 20.07% ¥504 ¥956M ¥19.0M
The Kosei Securities Co.,Ltd
8617 · FY ending Mar 2026
株式会社 巽事務所 1,165,000 12.34% ¥504 ¥587M ¥11.7M
The Kosei Securities Co.,Ltd
8617 · FY ending Mar 2026 · Representative Director
Own name 540,400 5.72% ¥504 ¥272M ¥5.4M
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