Seigo Naito内藤 征吾

Major shareholder of The Zenitaka Corporation

Net worth (est.)
¥16.8B
#210 in Japan
Listed shares
Executive pay
—
Not disclosed
Dividends (a year)
¥687M
#139
Total income (est.)
¥687M
#158
Pay + dividends, before tax
Taxes (est.)
¥140M
#297
Income tax ¥105M / resident tax ¥34.4M
Other assets (est.)
¥571M
¥17.3B 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
The Zenitaka Corporation
1811 · FY ending Mar 2026
Own name 151,000 2.11% ¥8,257 ¥1.2B ¥18.1M
Nippi,Incorporated
7932 · FY ending Mar 2026
Own name 85,000 3.04% ¥12,120 ¥1.0B ¥59.2M
Parker Corporation
9845 · FY ending Mar 2026
Own name 635,000 2.50% ¥1,386 ¥880M ¥33.7M
Seikagaku Corporation
4548 · FY ending Mar 2026
Own name 1,141,000 2.09% ¥729 ¥831M ¥34.2M
NISSHIN GROUP HOLDINGS Co., Ltd.
8881 · FY ending Mar 2026
Own name 1,158,600 2.47% ¥706 ¥818M ¥40.6M
GREE Holdings, Inc.
3632 · FY ending Jun 2026
Own name 1,851,000 1.03% ¥376 ¥696M ¥40.7M
Musashi Co.,Ltd.
7521 · FY ending Mar 2026
Own name 228,000 3.35% ¥2,715 ¥619M ¥17.3M
Sanyo Engineering & Construction Inc.
1960 · FY ending Mar 2026
Own name 463,000 3.02% ¥1,315 ¥609M ¥30.1M
First Juken Co.,Ltd.
8917 · FY ending Oct 2025
Own name 506,000 3.64% ¥1,114 ¥564M ¥21.8M
株式会社デジタルホールディングス
2389 · FY ending Dec 2024
Own name 452,000 2.58% ¥1,217 ¥550M ¥29.4M
Ku Holdings Co.,Ltd.
9856 · FY ending Mar 2026
Own name 459,000 1.47% ¥1,176 ¥540M ¥26.6M
Yoshicon Co.,Ltd
5280 · FY ending Mar 2026
Own name 186,000 2.67% ¥2,379 ¥442M ¥15.8M
Kawagishi Bridge Works Co.,Ltd.
5921 · FY ending Sep 2025
Own name 89,000 3.28% ¥4,585 ¥408M ¥14.2M
Watanabe Sato Co., Ltd.
1807 · FY ending Mar 2026
Own name 190,000 3.05% ¥1,996 ¥379M ¥15.2M
IR Japan Holdings, Ltd.
6035 · FY ending Mar 2026
Own name 521,900 2.93% ¥703 ¥367M ¥14.6M
Wesco Holdings Inc.
6091 · FY ending Jul 2026
Own name 383,000 2.95% ¥869 ¥333M ¥11.5M
Imagineer Co.,Ltd.
4644 · FY ending Mar 2026
Own name 319,000 3.30% ¥1,014 ¥324M ¥19.1M
Biken Techno Corporation
9791 · FY ending Mar 2026
Own name 231,000 3.06% ¥1,400 ¥323M ¥8.3M
Mikikogyo Co.,Ltd.
1718 · FY ending Dec 2025
Own name 34,200 3.12% ¥8,614 ¥295M ¥12.0M
Endo Manufacturing Co.,Ltd.
7841 · FY ending Dec 2025
Own name 246,000 2.80% ¥1,184 ¥291M ¥9.8M
WILLPLUS Holdings Corporation
3538 · FY ending Jun 2026
Own name 309,500 3.16% ¥890 ¥275M ¥14.2M
Applied Co., Ltd.
3020 · FY ending Mar 2026
Own name 67,200 2.49% ¥3,777 ¥254M ¥8.7M
KOMAIHALTEC Inc.
5915 · FY ending Mar 2026
Own name 130,300 2.80% ¥1,942 ¥253M ¥9.1M
Zenken Corporation
7371 · FY ending Jun 2026
Own name 333,152 2.73% ¥705 ¥235M ¥9.0M
Nichiwa Sangyo Co., Ltd.
2055 · FY ending Mar 2026
Own name 601,000 3.32% ¥384 ¥231M ¥3.6M
First Brothers Co., Ltd.
3454 · FY ending Nov 2025
Own name 196,200 1.40% ¥1,169 ¥229M ¥6.9M
Tanaka Co.,Ltd
7619 · FY ending Mar 2026
Own name 260,000 3.20% ¥853 ¥222M ¥8.1M
i.a groupcorporation
7509 · FY ending Mar 2026
Own name 48,700 3.30% ¥4,468 ¥218M ¥7.3M
Fuji Seiko Limited
6142 · FY ending Feb 2026
Own name 129,000 4.04% ¥1,547 ¥200M ¥1.9M
Denkyo Group Holdings Co.,Ltd.
8144 · FY ending Mar 2026
Own name 140,000 2.23% ¥1,337 ¥187M ¥6.0M
HONYAKU Center Inc.
2483 · FY ending Mar 2026
Own name 100,000 2.97% ¥1,805 ¥180M ¥14.0M
Justplanning Inc.
4287 · FY ending Jan 2026
Own name 365,200 3.12% ¥469 ¥171M ¥4.0M
Kobayashi Yoko Co.,Ltd.
8742 · FY ending Mar 2026
Own name 353,000 2.95% ¥455 ¥161M ¥2.1M
Takamisawa Co., Ltd.
5283 · FY ending Jun 2026
Own name 52,000 3.18% ¥2,908 ¥151M ¥3.6M
C.S. Lumber Co., Inc
7808 · FY ending May 2026
Own name 55,200 2.99% ¥2,660 ¥147M ¥4.4M
株式会社イボキン
5699 · FY ending Dec 2025
Own name 101,000 3.09% ¥1,413 ¥143M ¥3.2M
The Kosei Securities Co.,Ltd
8617 · FY ending Mar 2026
Own name 281,000 2.98% ¥504 ¥142M ¥2.8M
Apple Internationalco.,Ltd.
2788 · FY ending Dec 2025
Own name 414,800 3.20% ¥337 ¥140M ¥4.1M
Gendai Agency Inc.
2411 · FY ending Mar 2026
Own name 286,300 2.60% ¥460 ¥132M ¥6.9M
Taiyo Kisokogyo Co.,Ltd.
1758 · FY ending Jan 2026
Own name 51,000 2.57% ¥2,554 ¥130M ¥3.1M
Shinden Hightex Corporation
3131 · FY ending Mar 2026
Own name 48,300 2.56% ¥2,614 ¥126M ¥6.3M
Maruhachi Holdings Co., Ltd.
3504 · FY ending Mar 2026
Own name 111,000 0.72% ¥1,124 ¥125M ¥5.5M
IID, Inc.
6038 · FY ending Jun 2026
Own name 150,000 3.05% ¥801 ¥120M ¥3.5M
Asmo Corporation
2654 · FY ending Mar 2026
Own name 292,000 2.17% ¥397 ¥116M ¥2.9M
Harima-Kyowa Co.,LTD.
7444 · FY ending Mar 2026
Own name 58,000 1.08% ¥1,996 ¥116M ¥3.5M
ヤマシタヘルスケアホールディングス株式会社
9265 · FY ending May 2026
Own name 37,100 1.46% ¥3,077 ¥114M ¥4.0M
株式会社クレステック
7812 · FY ending Jun 2026
Own name 53,100 1.75% ¥2,137 ¥113M ¥5.5M
Medical Net , Inc.
3645 · FY ending May 2026
Own name 322,400 3.48% ¥265 ¥85.4M ¥967,200
Chuokeizai-Sha Holdings,Inc.
9476 · FY ending Sep 2025
Own name 116,000 2.65% ¥716 ¥83.0M ¥1.5M
Ykt Corporation
2693 · FY ending Dec 2025
Own name 354,000 3.06% ¥228 ¥80.7M ¥1.8M
EARLY AGE CO., Ltd.
3248 · FY ending Oct 2025
Own name 94,700 2.98% ¥837 ¥79.2M ¥3.4M
Moriya Corporation
1798 · FY ending Mar 2026
Own name 65,000 2.98% ¥1,196 ¥77.7M ¥11.7M
Saita Corporation
1999 · FY ending Jun 2026
Own name 19,000 3.12% ¥4,057 ¥77.1M ¥1.3M
Zoa Corporation
3375 · FY ending Mar 2026
Own name 43,000 3.42% ¥1,778 ¥76.5M ¥3.2M
Nansin Co., Ltd.
7399 · FY ending Mar 2026
Own name 130,000 1.96% ¥585 ¥76.0M ¥2.6M
株式会社インテリックス
8940 · FY ending May 2025
Own name 71,626 0.88% ¥888 ¥63.6M ¥3.3M
INTELLEX HOLDINGS Co.,Ltd.
463A · FY ending May 2026
Own name 67,500 0.68% ¥904 ¥61.1M ¥1.6M
Jss Corporation
6074 · FY ending Mar 2026
Own name 120,000 2.98% ¥508 ¥60.9M ¥2.4M
Nittoh Corporation
1738 · FY ending Mar 2026
Own name 87,000 2.16% ¥613 ¥53.4M ¥1.6M
株式会社ボルテージ
3639 · FY ending Jun 2026
Own name 189,300 2.91% ¥264 ¥49.9M —
Sonocom Co.,Ltd.
7902 · FY ending Mar 2026
Own name 46,000 1.26% ¥1,057 ¥48.6M ¥598,000
NIHON ISK Company, Limited
7986 · FY ending Dec 2025
Own name 26,000 1.70% ¥1,792 ¥46.6M ¥780,000
Casa Inc.
7196 · FY ending Jan 2026
Own name 58,900 0.65% ¥713 ¥42.0M ¥883,500
TAC株式会社
4319 · FY ending Mar 2025
Own name 203,400 1.12% ¥204 ¥41.4M ¥813,600
Truck-One Co., Ltd.
3047 · FY ending Dec 2025
Own name 72,200 3.01% ¥505 ¥36.4M ¥794,200
Global-Dining,Inc.
7625 · FY ending Dec 2025
Own name 81,000 0.78% ¥405 ¥32.8M ¥405,000
株式会社ザッパラス
3770 · FY ending Apr 2025
Own name 75,900 0.85% ¥404 ¥30.7M ¥379,500
Kowa Co.,Ltd.
7807 · FY ending Feb 2026
Own name 31,000 0.76% ¥855 ¥26.5M ¥403,000
株式会社トラスト
3347 · FY ending Mar 2025
Own name 85,400 0.33% ¥287 ¥24.5M ¥512,400
Kitalive Inc.
5039 · FY ending Dec 2025
Own name 12,600 1.00% ¥1,450 ¥18.3M —
Laxus Technologies Inc.
288A · FY ending Mar 2026
Own name 144,500 0.56% ¥117 ¥16.9M —
WellcoHoldings Corporation
7831 · FY ending Oct 2025
Own name 321,000 2.06% — — ¥642,000
TAKADAKIKO(Steel Construction)CO.,LTD.
5923 · FY ending Mar 2026
Own name 200,000 3.43% — — ¥10.0M
Innovation Inc.
3970 · FY ending Mar 2026
Own name 55,500 2.01% — — ¥2.2M
Optimus Group Company Limited
9268 · FY ending Mar 2026
Own name 2,287,200 3.34% — — ¥41.2M

By year

YearNet worthPayDividendsTotal incomeTaxes (est.)After tax (est.)
2026¥14.3B—¥606M¥606M¥123M¥483M
2025¥3.5B—¥111M¥111M¥22.6M¥88.7M

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