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AA-ONE SEIMITSU INC. logo
6156TSE Standard

A-ONE SEIMITSU INC.

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Recent & upcoming events

Aug 10
Earnings 2:00
FY earnings announcement (scheduled)
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Jun 28
Ex-dividend Time TBD
Ex-rights date (year-end)
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Jun 25
Dividend Time TBD
Last day with rights (year-end)
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Sep 25
Shareholder meeting Time TBD
Shareholders' meeting
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Nov 9
Est.
Earnings 1:00 approx.
Q1 earnings
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Dec 27
Est.
Dividend Time TBD
Last day with rights (interim)
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Dec 28
Est.
Ex-dividend Time TBD
Ex-rights date (interim)
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2027
Feb 8
Est.
Earnings 1:00 approx.
Q2 earnings
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May 10
Est.
Earnings 2:00 approx.
Q3 earnings
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Jun 27
Est.
Dividend Time TBD
Last day with rights (year-end)
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Jun 28
Est.
Ex-dividend Time TBD
Ex-rights date (year-end)
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Aug 9
Est.
Earnings 2:00 approx.
Full-year earnings
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KPI highlights

FY26
Revenue ¥1.68B YoY +5.7%
Operating income ¥235M margin 14.0%
Net income ¥200M YoY —
EPS ¥40 YoY —
P/E —
ROE —

Company guidance

FY2027/06 Company-issued full-year guidance (from earnings report) / %=vs prior FY
Revenue ¥1.91B +13.8%
Operating income ¥340M +44.7%
Net income ¥253M +26.5%
EPS ¥50 +26.3%

Quarterly fundamentals

Income & cash flow
Quarter FY23 Q1FY23 Q2FY23 Q3FY23 Q4FY24 Q1FY24 Q2
Revenue ¥437M—¥404M¥405M¥389M¥404M
Operating income ¥68M—¥61M¥46M¥29M¥28M
Net income ¥45M—¥42M¥36M¥21M¥22M
Operating CF ——————

Ownership over time

Share of total shares outstanding (disclosed major holdings + undisclosed)（2021–2025）

事業法人 25.3%国内機関 4.1%個人 7.7%未開示 63%20212022202320242025
事業法人国内機関海外機関アクティビスト個人未開示・浮動株

「国内機関」は信託銀行の名義口座（年金・パッシブ・一部海外資本を含む）を集計し、実質保有者へは分解していません。分類は開示名称からの推定です。

Top shareholders — rank & share

株式会社致知 25.3%株式会社致知株式会社日本カストディ銀行 （信託口 4.1%株式会社日本カストディ銀行 （信託口）肥田　亘 2%肥田　亘竹内　忠夫 1.6%竹内　忠夫20212022202320242025

Top shareholders — actual figures (as of 2025)

Holder Shares held Ratio Source
株式会社致知 1,268,800 25.3% Yuho (EDINET)
株式会社日本カストディ銀行 （信託口） 203,500 4.1% Yuho (EDINET)
肥田 亘 100,000 2.0% Yuho (EDINET)
竹内 忠夫 81,900 1.6% Yuho (EDINET)
大嶋 武司 44,700 0.9% Yuho (EDINET)
大橋 逸夫 43,600 0.9% Yuho (EDINET)
佐藤 美喜夫 32,500 0.6% Yuho (EDINET)
横山 和也 32,200 0.6% Yuho (EDINET)
湯舟 吉人 30,000 0.6% Yuho (EDINET)
室田 武師 24,200 0.5% Yuho (EDINET)

Source：EDINET（大株主の状況）　Classification inferred from disclosed names

Fact checklist

FY26
Equity ratio —
Current ratio —
Years of positive operating CF —
Payout ratio —
Latest fiscal year result Profit (net income ¥200M)

Performance history

Last 10 years
0億円5億円10億円16億円21億円 FY17FY18FY19FY20FY21FY22FY23FY24FY25FY26

Income & assets

Unit: ¥100M
Item FY17FY18FY19FY20FY21FY22FY23FY24FY25FY26
Revenue 19.320.420.817.616.718.717.616.015.916.8
Operating income 5.605.986.374.513.794.332.761.650.852.35
Ordinary income 5.796.156.484.623.904.442.821.791.202.87
Net income 3.954.614.483.192.693.101.921.21-2.212.00
Total assets 82.987.190.190.291.094.892.189.580.6—
Equity 76.579.682.383.684.186.984.381.974.9—

A “—” means data wasn't available for that period — it's not a display error or an unusual value.

Indicators & cash flow

*Split-adjustedUnit: ¥100M
Item FY17FY18FY19FY20FY21FY22FY23FY24FY25FY26
EPS ———¥67¥56¥63¥38¥24¥-44¥40
ROE ——————————
Operating CF ——————————
Investing CF ——————————
Financing CF ——————————
FCF ——————————

A “—” means data wasn't available for that period — it's not a display error or an unusual value.

Source: TSE Timely Disclosure XBRL (Earnings Summary) (fetched 2026-08-10) *Some metrics supplemented from additional sources

Sector positioning

Relative standing within the sector
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Data provided by Twelve Data