Half-year report · HY

Period2025-04-01 → 2025-09-30
Filed2025-11-14
StandardJapan GAAP
ConsolidatedYes
Data checks14 of 14 passed
Key figures · 44
MetricValuePeriodScopeSource row
Revenue¥6.4bn2025-04-01 → 2025-09-30Cons.Net sales
Revenue¥12.6bn2024-04-01 → 2025-03-31Cons.Net sales (5-year summary)
Revenue¥5.9bn2024-04-01 → 2024-09-30Cons.Net sales
Operating income¥685m2025-04-01 → 2025-09-30Cons.Operating income
Operating income¥355m2024-04-01 → 2024-09-30Cons.Operating income
Ordinary income¥736m2025-04-01 → 2025-09-30Cons.Ordinary income
Ordinary income¥959m2024-04-01 → 2025-03-31Cons.Ordinary income loss (5-year summary)
Ordinary income¥416m2024-04-01 → 2024-09-30Cons.Ordinary income
Profit before tax¥736m2025-04-01 → 2025-09-30Cons.Income before income taxes
Profit before tax¥438m2024-04-01 → 2024-09-30Cons.Income before income taxes
Net income (owners)¥465m2025-04-01 → 2025-09-30Cons.Profit loss attributable to owners of parent
Net income (owners)¥699m2024-04-01 → 2025-03-31Cons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥266m2024-04-01 → 2024-09-30Cons.Profit loss attributable to owners of parent
Net income¥509m2025-04-01 → 2025-09-30Cons.Profit loss
Net income¥270m2024-04-01 → 2024-09-30Cons.Profit loss
Total assets¥26.1bnat 2025-09-30Cons.Assets
Total assets¥25.5bnat 2025-03-31Cons.Assets
Total assets¥25.1bnat 2024-09-30Cons.Total assets (5-year summary)
Total liabilities¥5.2bnat 2025-09-30Cons.Liabilities
Total liabilities¥5.2bnat 2025-03-31Cons.Liabilities
Net assets / equity¥20.8bnat 2025-09-30Cons.Net assets
Net assets / equity¥20.3bnat 2025-03-31Cons.Net assets
Net assets / equity¥19.7bnat 2024-09-30Cons.Net assets (5-year summary)
Cash and deposits¥6.1bnat 2025-09-30Cons.Cash and deposits
Cash and deposits¥6.1bnat 2025-03-31Cons.Cash and deposits
Cash & equivalents¥3.5bnat 2025-09-30Cons.Cash and cash equivalents
Cash & equivalents¥4.0bnat 2025-03-31Cons.Cash and cash equivalents
Cash & equivalents¥4.9bnat 2024-09-30Cons.Cash and cash equivalents
Cash & equivalents¥4.8bnat 2024-03-31vCons.Cash and cash equivalents
Operating cash flow¥550m2025-04-01 → 2025-09-30Cons.Net cash provided by used in operating activities
Operating cash flow¥809m2024-04-01 → 2025-03-31Cons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow¥502m2024-04-01 → 2024-09-30Cons.Net cash provided by used in operating activities
Investing cash flow−¥647m2025-04-01 → 2025-09-30Cons.Net cash provided by used in investment activities
Investing cash flow−¥858m2024-04-01 → 2025-03-31Cons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥56m2024-04-01 → 2024-09-30Cons.Net cash provided by used in investment activities
Financing cash flow−¥464m2025-04-01 → 2025-09-30Cons.Net cash provided by used in financing activities
Financing cash flow−¥712m2024-04-01 → 2025-03-31Cons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow−¥304m2024-04-01 → 2024-09-30Cons.Net cash provided by used in financing activities
EPS (basic)¥434.452025-04-01 → 2025-09-30Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥651.12024-04-01 → 2025-03-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥247.92024-04-01 → 2024-09-30Cons.Basic earnings loss per share (5-year summary)
Equity ratio75.8%at 2025-09-30Cons.Equity to asset ratio (5-year summary)
Equity ratio75.5%at 2025-03-31Cons.Equity to asset ratio (5-year summary)
Equity ratio74.8%at 2024-09-30Cons.Equity to asset ratio (5-year summary)

Periods use the dates stated in the filing. d = earlier-year period dated by calendar; v = that date confirmed by the company's own earlier filing.

All source rows · 462
ItemContextValueUnit
Issued shares total number of shares etc (text)FilingDateInstantText · Plus
Class issued shares total number of shares etcFilingDateInstant_OrdinaryShareMember
Original text (Japanese)普通株式
Name of financial instruments exchange on which securities are listed or authorized financial instruments business association to which securities are registeredFilingDateInstant_OrdinaryShareMember
Original text (Japanese)東京証券取引所スタンダード市場
Description issued shares total number of shares etcFilingDateInstant_OrdinaryShareMember
Original text (Japanese)単元株式数100株
Details of employee share option program (text)FilingDateInstantText · Plus
Other information on share acquisition rights (text)FilingDateInstantText · Plus
Exercises etc of moving strike convertible bonds etc (text)FilingDateInstantText · Plus
Changes in number of issued shares stated capital etc (text)FilingDateInstantText · Plus
Major shareholders (text)FilingDateInstantText · Plus
Name major shareholdersInterimInstant_No1MajorShareholdersMember
Original text (Japanese)イワブチ取引先持株会
Address major shareholdersInterimInstant_No1MajorShareholdersMember
Original text (Japanese)千葉県松戸市上本郷167
Name major shareholdersInterimInstant_No2MajorShareholdersMember
Original text (Japanese)INTERACTIVE BROKERS LLC(常任代理人インタラクティブ・ ブローカーズ証券株式会社)
Address major shareholdersInterimInstant_No2MajorShareholdersMemberText · Plus
Name major shareholdersInterimInstant_No3MajorShareholdersMember
Original text (Japanese)住友商事株式会社
Address major shareholdersInterimInstant_No3MajorShareholdersMember
Original text (Japanese)東京都千代田区大手町2-3-2
Name major shareholdersInterimInstant_No4MajorShareholdersMember
Original text (Japanese)公益財団法人光奨学会
Address major shareholdersInterimInstant_No4MajorShareholdersMember
Original text (Japanese)千葉県松戸市上本郷167
Name major shareholdersInterimInstant_No5MajorShareholdersMember
Original text (Japanese)イワブチ従業員持株会
Address major shareholdersInterimInstant_No5MajorShareholdersMember
Original text (Japanese)千葉県松戸市上本郷167
Name major shareholdersInterimInstant_No6MajorShareholdersMember
Original text (Japanese)株式会社常陽銀行
Address major shareholdersInterimInstant_No6MajorShareholdersMember
Original text (Japanese)茨城県水戸市南町2-5-5
Name major shareholdersInterimInstant_No7MajorShareholdersMember
Original text (Japanese)日本製鉄株式会社
Address major shareholdersInterimInstant_No7MajorShareholdersMember
Original text (Japanese)東京都千代田区丸の内2-6-1
Name major shareholdersInterimInstant_No8MajorShareholdersMember
Original text (Japanese)三井住友信託銀行株式会社
Address major shareholdersInterimInstant_No8MajorShareholdersMember
Original text (Japanese)東京都千代田区丸の内1-4-1
Name major shareholdersInterimInstant_No9MajorShareholdersMember
Original text (Japanese)光岡 毅
Address major shareholdersInterimInstant_No9MajorShareholdersMember
Original text (Japanese)千葉県松戸市
Name major shareholdersInterimInstant_No10MajorShareholdersMember
Original text (Japanese)山口プレス工業株式会社
Address major shareholdersInterimInstant_No10MajorShareholdersMember
Original text (Japanese)東京都葛飾区西新小岩5-16-2
Issued shares voting rights (text)FilingDateInstantText · Plus
Description issued shares voting rightsInterimInstant_SharesWithNoVotingRightsMember-
Description issued shares voting rightsInterimInstant_SharesWithRestrictedVotingRightsTreasurySharesEtcMember-
Description issued shares voting rightsInterimInstant_SharesWithRestrictedVotingRightsOtherMember-
Description issued shares voting rightsInterimInstant_OrdinarySharesTreasurySharesSharesWithFullVotingRightsTreasurySharesEtcMember-
Description issued shares voting rightsInterimInstant_OrdinarySharesReciprocalHoldingSharesWithFullVotingRightsTreasurySharesEtcMember-
Description issued shares voting rightsInterimInstant_OrdinarySharesSharesWithFullVotingRightsOtherMember-
Description issued shares voting rightsInterimInstant_OrdinarySharesSharesLessThanOneUnitMember-
Treasury shares etc (text)FilingDateInstantText · Plus
Name of shareholder treasury shares etcInterimInstant_Row1Member
Original text (Japanese)イワブチ㈱
Address of shareholder treasury shares etcInterimInstant_Row1Member
Original text (Japanese)千葉県松戸市上本郷167番地
Information about officers (text)FilingDateInstantText · Plus
Regulations in accordance with which consolidated financial statements have been prepared financial informationInterimDurationText · Plus
Type1 semi annual consolidated financial statements financial informationInterimDurationText · Plus
Note on independent audit financial informationInterimDurationText · Plus
Type1 semi annual consolidated balance sheet (text)InterimDurationText · Plus
Type1 semi annual consolidated statement of income (text)InterimDurationText · Plus
Type1 semi annual consolidated statement of comprehensive income (text)InterimDurationText · Plus
Type1 semi annual consolidated statement of cash flows (text)InterimDurationText · Plus
Notes accounting treatments specific to semi annual financial statements type1 semi annual consolidated financial statements (text)InterimDurationText · Plus
Notes regarding promissory notes due on balance sheet date (text)InterimInstantText · Plus

Every row of the EDINET CSV. Item names are the XBRL element names; filed text is kept in its original Japanese. Filed text is available on Plus and Pro.

Data checks · 14 of 14 passed
balance sheet identityconsolidated 2025-03-31pass rounding
balance sheet identityconsolidated 2025-09-30pass rounding
dei present pass
period resolution pass
statement vs summary · net assetsconsolidated 2025-03-31pass
statement vs summary · net assetsconsolidated 2025-09-30pass
statement vs summary · net income attributable to parentconsolidated 2024-04-01/2024-09-30pass
statement vs summary · net income attributable to parentconsolidated 2025-04-01/2025-09-30pass
statement vs summary · operating cash flowconsolidated 2024-04-01/2024-09-30pass
statement vs summary · operating cash flowconsolidated 2025-04-01/2025-09-30pass
statement vs summary · revenueconsolidated 2024-04-01/2024-09-30pass
statement vs summary · revenueconsolidated 2025-04-01/2025-09-30pass
statement vs summary · total assetsconsolidated 2025-03-31pass
statement vs summary · total assetsconsolidated 2025-09-30pass