森田 泰成森田 泰成

Senior Managing Director, 株式会社STG

Net worth (est.)
¥153B
#32 in Japan
Listed shares ¥130B (incl. ¥130B via asset-management cos.) + other assets ¥22.8B
Executive pay
¥20.6Mest.
Average for the same officer category
Dividends (a year)
¥2.9B
#22
Own name ¥824,000 / via companies ¥2.9B
Total income (est.)
¥3.0B
#31
Pay + dividends, before tax
Taxes (est.)
¥5.8M
#10059
Income tax ¥4.1M / resident tax ¥1.7M
Other assets (est.)
¥22.8B
After-tax income 2016–2026 (incl. ¥16.5B from share sales), before spending
Inheritance tax (est.)
¥28.7B
#41
If a spouse and two children inherit in statutory shares (change)

Other assets (est.): the sum of each year's after-tax income (pay + dividends in own name − estimated taxes and social insurance) dividends retained by asset-management companies (less about 20% corporate tax), and proceeds from share sales (the drop in shares from the previous year × share price, less 20.315% tax, or about 30% for asset-management companies), for the years we have data. Spending, real estate, donations and savings from earlier years are not reflected.

Asset-management companies: NOMURAPBNOMINEESLIMITED OMNIBUS-MARGINest. (their holdings are included in net worth)

Holdings

CompanyHeld bySharesStakePriceValueDividends
Sapporo Breweries Limited
2501 · FY ending Dec 2025
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 2,927,000 3.75% ¥8,318 ¥24.3B ¥263M
フジテック株式会社
6406 · FY ending Mar 2025
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 3,308,000 4.24% ¥5,907 ¥19.5B ¥546M
Square Enix Holdings Co.,Ltd.
9684 · FY ending Mar 2026
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 7,080,000 1.96% ¥2,506 ¥17.7B ¥559M
NIKKON Holdings Co.,Ltd.
9072 · FY ending Mar 2026
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 3,944,000 3.37% ¥4,249 ¥16.8B ¥296M
カルビー株式会社
2229 · FY ending Mar 2026
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 2,321,000 1.91% ¥3,080 ¥7.1B ¥153M
Kumagaigumi Co.,Ltd.
1861 · FY ending Mar 2026
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 4,440,000 2.60% ¥1,532 ¥6.8B ¥209M
Japan Pure Chemical Co.,Ltd.
4973 · FY ending Mar 2026
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 1,152,700 19.86% ¥4,616 ¥5.3B ¥231M
TRIAL Holdings, Inc.
141A · FY ending Jun 2026
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 1,406,681 1.15% ¥2,992 ¥4.2B ¥23.9M
Sms Co.,Ltd
2175 · FY ending Mar 2026
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 2,760,874 3.36% ¥1,128 ¥3.1B ¥81.4M
イオンディライト株式会社
9787 · FY ending Feb 2025
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 557,000 1.16% ¥4,690 ¥2.6B ¥48.5M
東京都競馬株式会社
9672 · FY ending Dec 2025
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 430,400 1.65% ¥5,679 ¥2.4B ¥50.8M
イオンモール株式会社
8905 · FY ending Feb 2025
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 1,201,000 0.52% ¥2,030 ¥2.4B ¥60.0M
株式会社東京ドーム
9681 · FY ending Jan 2020
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 2,011,000 2.16% ¥1,023 ¥2.1B ¥38.2M
インフォコム株式会社
4348 · FY ending Mar 2024
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 715,000 1.30% ¥2,759 ¥2.0B ¥32.2M
株式会社ロコガイド
4497 · FY ending Mar 2021
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 339,000 3.50% ¥3,459 ¥1.2B —
クラリオン株式会社
6796 · FY ending Mar 2018
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 3,478,000 1.23% ¥332 ¥1.2B ¥7.0M
株式会社河合楽器製作所
7952 · FY ending Mar 2026
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 375,000 4.35% ¥2,824 ¥1.1B ¥35.6M
Hokuriku Electric Industry Co., Ltd.
6989 · FY ending Mar 2026
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 382,000 4.87% ¥2,658 ¥1.0B ¥36.3M
Port Inc.
7047 · FY ending Mar 2026
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 447,000 3.41% ¥2,192 ¥980M ¥5.4M
IG Port,Inc.
3791 · FY ending May 2026
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 686,615 3.40% ¥1,375 ¥944M ¥5.8M
株式会社ホロン
7748 · FY ending Mar 2021
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 183,100 4.79% ¥4,846 ¥887M ¥3.7M
株式会社カオナビ
4435 · FY ending Mar 2025
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 444,000 3.72% ¥1,850 ¥822M —
West Holdings corporation
1407 · FY ending Aug 2025
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 475,000 1.20% ¥1,621 ¥770M ¥30.9M
Seiko Electric Co., Ltd.
6653 · FY ending Dec 2025
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 305,000 2.25% ¥2,351 ¥717M ¥15.2M
Moriya Transportation Engineering and Manufacturing Co.,Ltd
6226 · FY ending Mar 2026
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 320,300 1.81% ¥1,903 ¥610M ¥18.9M
SEIWA HOLDINGS Co., Ltd.
523A · FY ending May 2026
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 281,960 1.47% ¥2,082 ¥587M —
富士通フロンテック株式会社
6945 · FY ending Mar 2020
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 540,000 2.30% ¥1,013 ¥547M ¥11.9M
Daidoh Limited
3205 · FY ending Mar 2026
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 655,000 2.30% ¥700 ¥459M ¥32.8M
株式会社バイテックホールディングス
9957 · FY ending Mar 2018
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 208,000 1.43% ¥2,188 ¥455M ¥12.5M
Minato Holdings Inc.
6862 · FY ending Mar 2026
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 220,700 2.97% ¥1,982 ¥438M ¥4.0M
アピックヤマダ株式会社
6300 · FY ending Mar 2019
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 1,164,500 9.37% ¥375 ¥436M —
Innotech Corporation
9880 · FY ending Mar 2026
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 175,000 1.43% ¥2,401 ¥420M ¥21.9M
TASUKI Holdings Inc.
166A · FY ending Sep 2025
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 572,000 0.93% ¥701 ¥401M ¥20.6M
Ichikoh Industries, Ltd.
7244 · FY ending Dec 2025
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 771,000 0.80% ¥514 ¥396M ¥10.8M
Aidma Holdings, Inc.
7373 · FY ending Aug 2025
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 141,637 0.95% ¥2,747 ¥389M ¥4.2M
A.D.Works Group Co.,Ltd.
2982 · FY ending Dec 2025
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 900,000 1.81% ¥424 ¥382M ¥14.4M
Kawasaki Setsubi Kogyo Co., Ltd.
1777 · FY ending Mar 2026
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 164,000 1.38% ¥2,310 ¥379M ¥15.6M
株式会社メタップス
6172 · FY ending Dec 2022
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 376,500 2.74% ¥973 ¥366M —
株式会社サーバーワークス
4434 · FY ending Feb 2026
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 154,100 2.08% ¥2,375 ¥366M ¥3.9M
日総工産株式会社
6569 · FY ending Mar 2023
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 506,500 1.49% ¥711 ¥360M ¥8.1M
株式会社グローバル・リンク・マネジメント
3486 · FY ending Dec 2025
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 168,000 1.05% ¥2,126 ¥357M ¥13.5M
Akatsuki Corp.
8737 · FY ending Mar 2026
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 495,000 1.47% ¥643 ¥318M ¥14.8M
芦森工業株式会社
3526 · FY ending Mar 2025
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 105,000 1.76% ¥2,934 ¥308M ¥10.5M
株式会社スタメン
4019 · FY ending Dec 2025
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 360,600 4.11% ¥821 ¥296M ¥2.2M
Mirrativ,Inc.
472A · FY ending Dec 2025
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 409,700 2.42% ¥707 ¥290M —
sugimura warehouse co.,ltd.
9307 · FY ending Mar 2026
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 283,000 1.70% ¥1,018 ¥288M ¥4.2M
Broadmedia Corporation
4347 · FY ending Mar 2026
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 128,000 1.80% ¥2,195 ¥281M ¥7.7M
COPRO-HOLDINGS. Co., Ltd.
7059 · FY ending Mar 2026
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 300,000 0.78% ¥844 ¥253M ¥16.5M
NITTAN Corporation
6493 · FY ending Mar 2026
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 440,000 1.53% ¥572 ¥252M ¥8.8M
WILLPLUS Holdings Corporation
3538 · FY ending Jun 2026
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 259,000 2.65% ¥890 ¥231M ¥11.9M
SHOBIDO Corporation
7819 · FY ending Sep 2025
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 252,000 1.91% ¥911 ¥229M ¥7.1M
ファイズホールディングス株式会社
9325 · FY ending Mar 2026
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 183,198 1.70% ¥1,175 ¥215M ¥5.5M
LiB Consulting Co.,Ltd.
480A · FY ending Dec 2025
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 164,500 2.57% ¥1,305 ¥215M —
tripla株式会社
5136 · FY ending Oct 2025
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 120,700 2.04% ¥1,698 ¥205M —
Rise Consulting Group, Inc.
9168 · FY ending Feb 2026
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 389,500 1.61% ¥521 ¥203M ¥8.2M
株式会社情報戦略テクノロジー
155A · FY ending Dec 2025
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 148,400 1.45% ¥1,332 ¥198M —
Trenders, Inc.
6069 · FY ending Mar 2026
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 246,700 3.18% ¥708 ¥175M ¥8.6M
Kyowakogyosyo Co.,Ltd.
5971 · FY ending Apr 2026
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 20,000 1.60% ¥7,592 ¥152M ¥1.6M
株式会社STG
5858 · FY ending Mar 2026
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 81,600 3.84% ¥1,640 ¥134M ¥1.6M
Adtec Plasma Technology Co.,Ltd.
6668 · FY ending Aug 2025
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 104,300 1.22% ¥1,266 ¥132M ¥2.8M
First-corporation Inc.
1430 · FY ending May 2026
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 137,323 1.08% ¥943 ¥130M ¥6.6M
Abhotel Co., Ltd.
6565 · FY ending Mar 2026
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 90,000 0.64% ¥1,390 ¥125M ¥3.1M
株式会社フレクト
4414 · FY ending Mar 2026
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 127,000 2.34% ¥985 ¥125M —
AR advanced technology, Inc.
5578 · FY ending Aug 2025
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 45,600 1.39% ¥2,692 ¥123M ¥912,000
SHIKIGAKU.Co.,Ltd.
7049 · FY ending Feb 2026
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 252,800 3.00% ¥395 ¥99.9M —
Cox Co.,Ltd.
9876 · FY ending Feb 2026
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 395,000 1.43% ¥252 ¥99.3M —
Dive Group inc.
151A · FY ending Jun 2026
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 158,000 1.88% ¥600 ¥94.8M —
Opro Co., Ltd.
228A · FY ending Nov 2025
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 37,600 1.61% ¥2,374 ¥89.3M —
S&J株式会社
5599 · FY ending Mar 2026
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 62,100 1.11% ¥1,408 ¥87.4M ¥931,500
Reskill Corp.
291A · FY ending Mar 2026
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 32,300 1.59% ¥2,701 ¥87.2M —
テラテクノロジー株式会社
483A · FY ending Mar 2026
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 38,600 2.37% ¥2,077 ¥80.2M ¥3.4M
Emimen Co., Ltd.
9237 · FY ending Oct 2025
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 71,800 1.77% ¥1,104 ¥79.3M —
Logos Holdings Inc.
205A · FY ending May 2026
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 42,300 1.08% ¥1,754 ¥74.2M ¥2.7M
インテグループ株式会社
192A · FY ending May 2026
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 53,800 2.46% ¥1,372 ¥73.8M ¥1.1M
アウトルックコンサルティング株式会社
5596 · FY ending Mar 2025
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 67,400 2.12% ¥1,095 ¥73.8M —
株式会社STG
5858 · FY ending Mar 2026 · Senior Managing Director
Own name 41,200 1.93% ¥1,640 ¥67.6M ¥824,000
TalentX Inc.
330A · FY ending Mar 2026
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 98,100 1.70% ¥572 ¥56.1M —
Kowa Co.,Ltd.
7807 · FY ending Feb 2026
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 53,000 1.28% ¥855 ¥45.3M ¥689,000
株式会社ザッパラス
3770 · FY ending Apr 2025
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 109,300 1.22% ¥404 ¥44.2M ¥546,500
株式会社D&Mカンパニー
189A · FY ending May 2026
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 41,600 1.80% ¥933 ¥38.8M ¥832,000
SIホールディングス株式会社
7070 · FY ending Mar 2022
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 116,700 1.06% ¥308 ¥36.0M ¥116,700
Japan PC Service Co., Ltd.
6025 · FY ending Aug 2025
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 47,500 2.73% ¥710 ¥33.7M —
株式会社Globee
5575 · FY ending May 2026
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 26,500 0.53% ¥670 ¥17.7M —
株式会社メドレックス
4586 · FY ending Dec 2025
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 733,800 1.24% — — —
株式会社Veritas In Silico
130A · FY ending Dec 2025
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 116,900 1.80% — — —
株式会社イグニス
3689 · FY ending Sep 2020
NOMURAPBNOMINEESLIMITED OMNIBUS-MARGIN 229,600 1.47% — — —

By year

YearNet worthListed sharesPayDividendsTotal incomeTaxes (est.)After tax (est.)Share sales (after tax)
2026partial¥153B¥130B¥20.6M¥1.8B¥1.9B¥5.8M¥13.6M¥583M
2025partial¥114B¥92.7B¥19.0M¥2.0B¥2.0B¥5.1M¥12.8M¥4.7B
2024partial¥74.3B¥59.9B¥15.6M¥834M¥850M¥3.5M¥10.7M¥1.8B
2023partial¥68.3B¥56.3B—¥792M¥792M¥0¥0¥1.8B
2022partial¥52.8B¥43.4B—¥537M¥537M¥0¥0¥4.3B
2021partial¥69.1B¥64.3B—¥514M¥514M¥0¥0¥1.2B
2020partial¥43.2B¥40.0B—¥369M¥369M¥0¥0¥527M
2019partial¥30.3B¥28.0B—¥478M¥478M¥0¥0¥1.4B
2018¥21.6B¥21.1B—¥333M¥333M¥0¥0¥118M
2017¥14.4B¥14.3B—¥141M¥141M¥0¥0—
2016¥2.7B¥2.7B—¥373,500¥373,500¥0¥0—

"Partial" years carry forward the previous year's value for companies that have not yet filed that year's annual report (such as December year-end companies). Pay and dividends cover only companies that have filed.

Net worth for each year is listed shares plus the other assets (est.) accumulated up to that year. 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.

Inheritance tax (estimate)

Estate ¥105B = listed shares in own name ¥67.6M + shares held via asset-management companies ¥81.9B (value ¥130B less 37% corporate tax on unrealized gains) + other assets (est.) ¥22.8B

Total inheritance tax paid: ¥28.7B (27.4% of the estate).

HeirInheritsTaxAfter tax
Spouse¥52.4B¥0¥52.4B
Each child¥26.2B¥14.4B¥11.9B

Japanese inheritance tax, assuming the estate is split in statutory shares. A spouse pays no tax up to ¥160M or the statutory share, whichever is larger. Family size is not in the securities reports, so you can choose it (with no children, parents or siblings also become heirs, so the real figure differs). Business-succession deferrals, lifetime gifts, donations to foundations, debts and other reliefs are not reflected.

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