9702
ISB CORPORATION
株式会社アイ・エス・ビー
Technology · Software - Application
ISB Corporation engages in the provision of embedded software development services for mobile, medical, and automotive applications in Japan. The company is involved in software development services; medical information systems, hospital system and medical device development; development of public systems for local governments and government agencies; business system development; integrates hardware and software to provide optimal embedded solutions. It also provides financial systems; infrastructure construction and operation design and maintenance services for cloud services; system operation services; and data center housing and hosting, as well as Al solutions. In addition, the company offers IT services, including system development, application development, and operation and maintenance; financial system and mobile system development; and consulting services. Further, it sells equipment associated with system and software development; and develops and sells access control systems and electric locks. ISB Corporation was incorporated in 1970 and is headquartered in Minato, Japan.
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Overview
Filings & Signals
Ownership
Financials
▾ Collapse Charts
Income Statement
Balance Sheet
Cash Flow
Ratios & Per Share
Metric
FY 2025
EDINET ↗
FY 2024
EDINET ↗
FY 2023
EDINET ↗
FY 2022
EDINET ↗
FY 2021
EDINET ↗
Net Sales
¥37.0B
¥34.0B
¥32.4B
¥29.0B
¥26.2B
Cost of Sales
¥28.5B
¥25.7B
¥24.6B
¥22.0B
¥19.9B
Gross Profit
¥8.5B
¥8.2B
¥7.8B
¥7.0B
¥6.3B
SG&A
¥6.2B
¥5.4B
¥5.1B
¥4.6B
¥4.4B
Operating Income
¥2.3B
¥2.8B
¥2.7B
¥2.3B
¥1.9B
Non-Operating Income
¥89M
¥131M
¥90M
¥112M
¥108M
Dividend Income
¥20M
¥31M
¥13M
¥14M
¥39M
Interest Income
¥15M
¥14M
¥17M
¥15M
¥11M
Non-Operating Expenses
¥20M
¥39M
¥13M
¥30M
¥37M
Interest Expense
¥1M
¥1M
¥1M
¥1M
¥1M
Ordinary Income
¥2.4B
¥2.9B
¥2.8B
¥2.4B
¥1.9B
Pre-tax Income
¥2.4B
¥2.9B
¥2.4B
¥2.4B
¥1.9B
Income Taxes
¥948M
¥860M
¥897M
¥971M
¥830M
Current Tax
¥977M
¥857M
¥1.0B
¥1.1B
¥838M
Deferred Tax
¥-28M
¥4M
¥-148M
¥-133M
¥-8M
Net Income (owners)
¥1.4B
¥2.0B
¥1.5B
¥1.4B
¥1.1B
Comprehensive Income
¥1.6B
¥2.1B
¥1.6B
¥1.4B
¥1.1B
EBITDA
¥2.8B
¥3.1B
¥3.2B
¥2.8B
¥2.4B
Goodwill Amort. (J-GAAP)
¥71M
—
¥356M
¥356M
¥451M
EPS
¥125.31
¥177.80
¥129.07
¥125.12
¥97.77
Shares Outstanding
11.5M
11.4M
11.4M
11.4M
11.4M
Shares Issued (total)
11.5M
11.4M
11.4M
11.4M
11.4M
Treasury Shares
0.0M
0.0M
0.0M
0.0M
0.0M
Metric
FY 2025
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FY 2024
EDINET ↗
FY 2023
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FY 2022
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FY 2021
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Total Assets
¥21.6B
¥19.8B
¥18.0B
¥16.5B
¥14.4B
Current Assets
¥16.9B
¥16.3B
¥15.7B
¥14.0B
¥11.6B
Cash & Deposits
¥9.1B
¥9.0B
¥8.9B
¥7.6B
¥6.1B
Trade Receivables
¥6.4B
¥6.1B
¥5.8B
¥5.4B
—
Inventories
¥1.1B
¥921M
¥693M
¥726M
¥266M
Non-Current Assets
¥4.7B
¥3.5B
¥2.3B
¥2.4B
¥2.7B
PP&E
¥1.9B
¥1.0B
¥918M
¥1.0B
¥991M
Goodwill
¥286M
¥626M
—
¥356M
¥712M
Intangible Assets
¥769M
¥725M
¥37M
¥395M
¥756M
Investment Securities
¥803M
¥546M
¥484M
¥398M
¥468M
Deferred Tax Assets
¥328M
¥348M
¥369M
¥246M
¥151M
Total Liabilities
¥7.1B
¥6.3B
¥6.2B
¥5.8B
¥4.8B
Current Liabilities
¥6.1B
¥5.8B
¥5.7B
¥5.2B
¥4.2B
Accounts Payable
¥2.4B
¥2.3B
¥2.1B
¥2.1B
¥1.6B
ST Debt
¥120M
¥120M
¥120M
¥120M
¥120M
Taxes Payable
¥600M
¥524M
¥574M
¥770M
¥449M
Non-Current Liabilities
¥978M
¥510M
¥492M
¥544M
¥580M
Pension Obligations
¥263M
¥274M
¥254M
¥238M
¥236M
Deferred Tax Liab.
¥172M
—
—
—
¥44M
Total Equity
¥14.5B
¥13.5B
¥11.8B
¥10.7B
¥9.6B
Capital Stock
¥2.4B
¥2.4B
¥2.4B
¥2.4B
¥2.3B
Capital Surplus
¥3.0B
¥3.0B
¥3.0B
¥3.0B
¥3.0B
Retained Earnings
¥8.6B
¥7.8B
¥6.2B
¥5.2B
¥4.1B
Treasury Stock
¥0M
¥-0M
¥-0M
¥-0M
¥-0M
AOCI
¥492M
¥328M
¥225M
¥138M
¥142M
Equity (owners)
¥14.0B
¥13.2B
¥11.6B
¥10.5B
¥9.4B
Total Interest-Bearing Debt ⓘ
¥120M
¥120M
¥120M
¥120M
¥120M
Net Cash ⓘ
¥9.0B
¥8.9B
¥8.8B
¥7.5B
¥6.0B
NCAV ⓘ
¥9.9B
¥10.0B
¥9.5B
¥8.3B
¥6.8B
NCAV/Share
¥860
¥871
¥832
¥725
¥599
BV/Share
¥1,224
¥1,152
¥1,016
¥926
¥829
Metric
FY 2025
EDINET ↗
FY 2024
EDINET ↗
FY 2023
EDINET ↗
FY 2022
EDINET ↗
FY 2021
EDINET ↗
Operating CF
¥1.7B
¥1.9B
¥1.9B
¥1.9B
¥1.5B
Interest Paid
¥-1M
¥-1M
¥-1M
¥-1M
¥-1M
Interest Received
¥36M
¥44M
¥30M
¥29M
¥50M
D&A
¥381M
¥253M
¥137M
¥132M
¥105M
Goodwill Amort.
¥71M
—
¥356M
¥356M
¥451M
Investing CF
¥-1.0B
¥-1.4B
¥-270M
¥-73M
¥-203M
CapEx
¥895M
¥372M
¥113M
¥115M
¥148M
Purchase Investments
¥-5M
¥-6M
¥-5M
¥-5M
¥-4M
Proceeds from Invest.
—
¥1M
—
¥28M
—
Financing CF
¥-617M
¥-481M
¥-455M
¥-341M
¥-403M
Dividends Paid
¥-616M
¥-480M
¥-454M
¥-340M
¥-356M
Share Buybacks
—
—
¥-0M
—
—
LT Debt Repaid
—
—
—
—
¥-10M
Free Cash Flow
¥850M
¥1.5B
¥1.8B
¥1.8B
¥1.3B
Net Change in Cash
¥103M
¥102M
¥1.2B
¥1.6B
¥876M
Metric
FY 2025
EDINET ↗
FY 2024
EDINET ↗
FY 2023
EDINET ↗
FY 2022
EDINET ↗
FY 2021
EDINET ↗
ROE
10.2%
16.1%
13.1%
14.1%
12.1%
ROA
6.9%
10.8%
8.5%
9.2%
7.7%
EPS
¥125.31
¥177.80
¥129.07
¥125.12
¥97.77
DPS
¥55.00
¥54.00
¥42.00
¥40.00
¥30.00
BPS
¥1,266.92
¥1,180.73
¥1,035.37
¥938.03
¥841.13
FCF/Share
¥74
¥132
¥160
¥159
¥115
NCAV/Share
¥860
¥871
¥832
¥725
¥599
Payout Ratio
43.9%
30.4%
32.5%
32.0%
30.7%
Event Timeline
S Shareholder
A Capital Signal
▾ Hide Chart
Large Shareholder Reports 4
Date Activist Stake Event Flag Demands Source
2026-05-22
Axium Capital Pte. Ltd.
10.01%
+1.68%
increase
✓ Activist
Business portfolio review (including asset sales/acquisitions, corporate reorganizations, business transfers) Governance improvements (including director composition changes, CEO selection, appointment of nominated directors) Capital policy review (including dividend policy, capital increase/decrease, capital allocation changes) Listing policy review (including delisting and control acquisition by third parties)
2026-04-22
Axium Capital Pte. Ltd.
8.33%
+1.16%
change
Passive
—
2026-03-23
Axium Capital Pte. Ltd.
7.17%
+2.09%
change
Passive
—
2025-12-22
Axium Capital Pte. Ltd.
5.08%
initial_5pct
Passive
—
Top 10 Shareholders
Ownership DNA
Cross-Holdings Tracker 2
#
Shareholder
Shares (thou.)
% of Total
1
有限会社若尾商事
2,001
17.45%
2
Japan Master Trust Bank
日本マスタートラスト信託銀行株式会社(信託口)
1,145
9.99%
3
Employee Stock Ownership Plan
アイ・エス・ビー・グループ従業員持株会
406
3.54%
4
Japan Custody Bank
株式会社日本カストディ銀行(信託口)
380
3.32%
5
ヨシダトモヒロ
343
2.99%
6
GLOBAL ESG STRATEGY [常任代理人 立花証券株式会社]
342
2.98%
7
若尾 一史
306
2.67%
8
鈴木 育夫
221
1.93%
9
GLOBAL ESG STRATEGY [常任代理人 フィリップ証券株式会社]
203
1.77%
10
株式会社第一情報システムズ
180
1.57%
Domestic Nominees
13.3%
-1.8% vs 2024
Trust bank custodians — GPIF, pensions, investment trusts
Foreign Custodians
0.0%
-1.4% vs 2024
Sub-custodians for foreign asset managers
Direct / Strategic
34.9%
+3.3% vs 2024
Named entities with disclosed investment intent
Shareholder
Trend
2023
2024
2025
限会社若尾商事
17.52%
17.49%
17.45%
-0.04%
Japan Master Trust Bank
日本マスタートラスト信託銀行
10.70%
10.58%
9.99%
-0.59%
Employee Stock Ownership Plan
アイ・エス・ビー・グループ従業員持株会
4.19%
3.81%
3.54%
-0.27%
Japan Custody Bank
日本カストディ銀行
3.85%
4.55%
3.32%
-1.23%
ヨシダトモヒロ
—
2.99%
2.99%
GLOBAL ESG STRATEGY [常任代理人 立花証券株式会社]
NEW ENTRY
—
—
—
2.98%
NEW
若尾 一史
2.57%
2.61%
2.67%
+0.06%
鈴木 育夫
1.78%
1.80%
1.93%
+0.13%
GLOBAL ESG STRATEGY [常任代理人 フィリップ証券株式会社]
NEW ENTRY
—
—
—
1.77%
NEW
式会社第一情報システムズ
1.57%
1.57%
1.57%
Citibank
last seen 2024
Exited Top 10
1.40%
1.39%
—
THE BANK OF NEW YORK MELLON 140040 [
みずほ銀行
last seen 2024
Exited Top 10
—
1.32%
—
吉田 和広
last seen 2023
Exited Top 10
2.57%
—
—
JPモルガン証券
last seen 2023
Exited Top 10
1.17%
—
—
Concentration (HHI)
ⓘ
476
478
462
3 fiscal years · top-10 holders per year · >2,500 HHI = high concentration · entity-resolved
Portfolio Book Value
¥546M
+84% since 2023
Holdings
2
Trend
1 building
vs 2023
Held Company
FY2025
¥546M total
FY2023
¥297M total
Book Val ¥M
Shares
Book Val ¥M
Shares
KSK Co., Ltd.
㈱KSK
516
99,000
280
99,000
M
第一生命 ホールディングス㈱
30
+300.0%
↑
23,600
18
5,900
M
Portfolio total
546
297
Book value in ¥M · ↓ reduced · ↑ increased vs prior year · M = mutual holding