Half-year report · HY

Period2025-04-01 → 2025-09-30
Filed2025-11-07
StandardJapan GAAP
ConsolidatedYes
Data checks14 of 14 passed
Key figures · 46
MetricValuePeriodScopeSource row
Revenue¥244.2bn2025-04-01 → 2025-09-30Cons.Net sales
Revenue¥448.5bn2024-04-01 → 2025-03-31Cons.Net sales (5-year summary)
Revenue¥232.0bn2024-04-01 → 2024-09-30Cons.Net sales
Operating income¥7.7bn2025-04-01 → 2025-09-30Cons.Operating income
Operating income−¥974m2024-04-01 → 2024-09-30Cons.Operating income
Ordinary income¥13.4bn2025-04-01 → 2025-09-30Cons.Ordinary income
Ordinary income−¥29.7bn2024-04-01 → 2025-03-31Cons.Ordinary income loss (5-year summary)
Ordinary income−¥129m2024-04-01 → 2024-09-30Cons.Ordinary income
Profit before tax¥13.6bn2025-04-01 → 2025-09-30Cons.Income before income taxes
Profit before tax¥5.5bn2024-04-01 → 2024-09-30Cons.Income before income taxes
Net income (owners)¥10.3bn2025-04-01 → 2025-09-30Cons.Profit loss attributable to owners of parent
Net income (owners)−¥50.1bn2024-04-01 → 2025-03-31Cons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥2.1bn2024-04-01 → 2024-09-30Cons.Profit loss attributable to owners of parent
Net income¥10.3bn2025-04-01 → 2025-09-30Cons.Profit loss
Net income¥2.1bn2024-04-01 → 2024-09-30Cons.Profit loss
Total assets¥1.44Tat 2025-09-30Cons.Assets
Total assets¥1.44Tat 2025-03-31Cons.Assets
Total assets¥1.53Tat 2024-09-30Cons.Total assets (5-year summary)
Total liabilities¥534.7bnat 2025-09-30Cons.Liabilities
Total liabilities¥551.1bnat 2025-03-31Cons.Liabilities
Net assets / equity¥904.4bnat 2025-09-30Cons.Net assets
Net assets / equity¥889.7bnat 2025-03-31Cons.Net assets
Net assets / equity¥948.8bnat 2024-09-30Cons.Net assets (5-year summary)
Cash and deposits¥294.2bnat 2025-09-30Cons.Cash and deposits
Cash and deposits¥196.6bnat 2025-03-31Cons.Cash and deposits
Cash & equivalents¥297.1bnat 2025-09-30Cons.Cash and cash equivalents
Cash & equivalents¥235.0bnat 2025-03-31Cons.Cash and cash equivalents
Cash & equivalents¥298.7bnat 2024-09-30Cons.Cash and cash equivalents
Cash & equivalents¥228.1bnat 2024-03-31vCons.Cash and cash equivalents
Operating cash flow¥47.2bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in operating activities
Operating cash flow¥84.0bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow¥54.1bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in operating activities
Investing cash flow¥21.1bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in investment activities
Investing cash flow−¥115.7bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥66.4bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in investment activities
Financing cash flow−¥10.4bn2025-04-01 → 2025-09-30Cons.Net cash provided by used in financing activities
Financing cash flow¥39.1bn2024-04-01 → 2025-03-31Cons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow¥89.4bn2024-04-01 → 2024-09-30Cons.Net cash provided by used in financing activities
EPS (basic)¥26.732025-04-01 → 2025-09-30Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥-129.782024-04-01 → 2025-03-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥5.362024-04-01 → 2024-09-30Cons.Basic earnings loss per share (5-year summary)
EPS (diluted)¥22.82025-04-01 → 2025-09-30Cons.Diluted earnings per share (5-year summary)
EPS (diluted)¥4.32024-04-01 → 2024-09-30Cons.Diluted earnings per share (5-year summary)
Equity ratio62.8%at 2025-09-30Cons.Equity to asset ratio (5-year summary)
Equity ratio61.7%at 2025-03-31Cons.Equity to asset ratio (5-year summary)
Equity ratio62.0%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.

Segments · 54
SegmentItemPeriodValue
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue2025-04-01 → 2025-09-30¥12.9bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue external2025-04-01 → 2025-09-30¥12.9bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue intersegment2025-04-01 → 2025-09-30¥28m
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentssegment profit2025-04-01 → 2025-09-30¥2.1bn
Reconciling Itemsreconcilingrevenue2025-04-01 → 2025-09-30−¥3.7bn
Reconciling Itemsreconcilingrevenue intersegment2025-04-01 → 2025-09-30−¥3.7bn
Reconciling Itemsreconcilingsegment profit2025-04-01 → 2025-09-30¥19m
Discrete Semiconductor Devicesreportable segmentrevenue2025-04-01 → 2025-09-30¥102.8bn
Discrete Semiconductor Devicesreportable segmentrevenue external2025-04-01 → 2025-09-30¥100.0bn
Discrete Semiconductor Devicesreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥2.8bn
Discrete Semiconductor Devicesreportable segmentsegment profit2025-04-01 → 2025-09-30−¥9.8bn
I Csreportable segmentrevenue2025-04-01 → 2025-09-30¥115.0bn
I Csreportable segmentrevenue external2025-04-01 → 2025-09-30¥114.2bn
I Csreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥826m
I Csreportable segmentsegment profit2025-04-01 → 2025-09-30¥13.0bn
Modulesreportable segmentrevenue2025-04-01 → 2025-09-30¥17.2bn
Modulesreportable segmentrevenue external2025-04-01 → 2025-09-30¥17.1bn
Modulesreportable segmentrevenue intersegment2025-04-01 → 2025-09-30¥61m
Modulesreportable segmentsegment profit2025-04-01 → 2025-09-30¥2.4bn
—segment totalrevenue2025-04-01 → 2025-09-30¥235.0bn
—segment totalrevenue external2025-04-01 → 2025-09-30¥231.3bn
—segment totalrevenue intersegment2025-04-01 → 2025-09-30¥3.7bn
—segment totalsegment profit2025-04-01 → 2025-09-30¥5.6bn
Total Of Reportable Segments And Otherssegment totalrevenue2025-04-01 → 2025-09-30¥248.0bn
Total Of Reportable Segments And Otherssegment totalrevenue external2025-04-01 → 2025-09-30¥244.2bn
Total Of Reportable Segments And Otherssegment totalrevenue intersegment2025-04-01 → 2025-09-30¥3.7bn
Total Of Reportable Segments And Otherssegment totalsegment profit2025-04-01 → 2025-09-30¥7.6bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue2024-04-01 → 2024-09-30¥12.8bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue external2024-04-01 → 2024-09-30¥12.8bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue intersegment2024-04-01 → 2024-09-30¥32m
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentssegment profit2024-04-01 → 2024-09-30¥1.5bn
Reconciling Itemsreconcilingrevenue2024-04-01 → 2024-09-30−¥3.1bn
Reconciling Itemsreconcilingrevenue intersegment2024-04-01 → 2024-09-30−¥3.1bn
Reconciling Itemsreconcilingsegment profit2024-04-01 → 2024-09-30¥234m
Discrete Semiconductor Devicesreportable segmentrevenue2024-04-01 → 2024-09-30¥99.5bn
Discrete Semiconductor Devicesreportable segmentrevenue external2024-04-01 → 2024-09-30¥97.3bn
Discrete Semiconductor Devicesreportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥2.2bn
Discrete Semiconductor Devicesreportable segmentsegment profit2024-04-01 → 2024-09-30−¥10.4bn
I Csreportable segmentrevenue2024-04-01 → 2024-09-30¥105.0bn
I Csreportable segmentrevenue external2024-04-01 → 2024-09-30¥104.2bn
I Csreportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥740m
I Csreportable segmentsegment profit2024-04-01 → 2024-09-30¥5.5bn
Modulesreportable segmentrevenue2024-04-01 → 2024-09-30¥17.8bn
Modulesreportable segmentrevenue external2024-04-01 → 2024-09-30¥17.7bn
Modulesreportable segmentrevenue intersegment2024-04-01 → 2024-09-30¥88m
Modulesreportable segmentsegment profit2024-04-01 → 2024-09-30¥2.1bn
—segment totalrevenue2024-04-01 → 2024-09-30¥222.3bn
—segment totalrevenue external2024-04-01 → 2024-09-30¥219.2bn
—segment totalrevenue intersegment2024-04-01 → 2024-09-30¥3.1bn
—segment totalsegment profit2024-04-01 → 2024-09-30−¥2.7bn
Total Of Reportable Segments And Otherssegment totalrevenue2024-04-01 → 2024-09-30¥235.1bn
Total Of Reportable Segments And Otherssegment totalrevenue external2024-04-01 → 2024-09-30¥232.0bn
Total Of Reportable Segments And Otherssegment totalrevenue intersegment2024-04-01 → 2024-09-30¥3.1bn
Total Of Reportable Segments And Otherssegment totalsegment profit2024-04-01 → 2024-09-30−¥1.2bn

Segment names come from EDINET member IDs; not yet mapped to a common taxonomy.

All source rows · 549
ItemContextValueUnit
Operating incomePrior1InterimDuration_OperatingSegmentsNotIncludedInReportableSegmentsAndOtherRevenueGeneratingBusinessActivitiesMember1528000000JPY
Operating incomePrior1InterimDuration_TotalOfReportableSegmentsAndOthersMember-1209000000JPY
Operating incomePrior1InterimDuration_ReconcilingItemsMember234000000JPY
Operating incomePrior1InterimDuration-974000000JPY
Revenues from external customersInterimDuration_jpcrp040300-ssr_E01953-000ICsReportableSegmentMember114218000000JPY
Revenues from external customersInterimDuration_jpcrp040300-ssr_E01953-000DiscreteSemiconductorDevicesReportableSegmentMember99980000000JPY
Revenues from external customersInterimDuration_jpcrp040300-ssr_E01953-000ModulesReportableSegmentMember17137000000JPY
Revenues from external customersInterimDuration_ReportableSegmentsMember231336000000JPY
Revenues from external customersInterimDuration_OperatingSegmentsNotIncludedInReportableSegmentsAndOtherRevenueGeneratingBusinessActivitiesMember12891000000JPY
Revenues from external customersInterimDuration_TotalOfReportableSegmentsAndOthersMember244228000000JPY
Revenues from external customersInterimDuration_ReconcilingItemsMember-JPY
Revenues from external customersInterimDuration244228000000JPY
Transactions with other segmentsInterimDuration_jpcrp040300-ssr_E01953-000ICsReportableSegmentMember826000000JPY
Transactions with other segmentsInterimDuration_jpcrp040300-ssr_E01953-000DiscreteSemiconductorDevicesReportableSegmentMember2822000000JPY
Transactions with other segmentsInterimDuration_jpcrp040300-ssr_E01953-000ModulesReportableSegmentMember61000000JPY
Transactions with other segmentsInterimDuration_ReportableSegmentsMember3711000000JPY
Transactions with other segmentsInterimDuration_OperatingSegmentsNotIncludedInReportableSegmentsAndOtherRevenueGeneratingBusinessActivitiesMember28000000JPY
Transactions with other segmentsInterimDuration_TotalOfReportableSegmentsAndOthersMember3740000000JPY
Transactions with other segmentsInterimDuration_ReconcilingItemsMember-3740000000JPY
Transactions with other segmentsInterimDuration-JPY
Net salesInterimDuration_jpcrp040300-ssr_E01953-000ICsReportableSegmentMember115045000000JPY
Net salesInterimDuration_jpcrp040300-ssr_E01953-000DiscreteSemiconductorDevicesReportableSegmentMember102803000000JPY
Net salesInterimDuration_jpcrp040300-ssr_E01953-000ModulesReportableSegmentMember17199000000JPY
Net salesInterimDuration_ReportableSegmentsMember235047000000JPY
Net salesInterimDuration_OperatingSegmentsNotIncludedInReportableSegmentsAndOtherRevenueGeneratingBusinessActivitiesMember12920000000JPY
Net salesInterimDuration_TotalOfReportableSegmentsAndOthersMember247968000000JPY
Net salesInterimDuration_ReconcilingItemsMember-3740000000JPY
Net salesInterimDuration244228000000JPY
Operating incomeInterimDuration_jpcrp040300-ssr_E01953-000ICsReportableSegmentMember12955000000JPY
Operating incomeInterimDuration_jpcrp040300-ssr_E01953-000DiscreteSemiconductorDevicesReportableSegmentMember-9809000000JPY
Operating incomeInterimDuration_jpcrp040300-ssr_E01953-000ModulesReportableSegmentMember2430000000JPY
Operating incomeInterimDuration_ReportableSegmentsMember5576000000JPY
Operating incomeInterimDuration_OperatingSegmentsNotIncludedInReportableSegmentsAndOtherRevenueGeneratingBusinessActivitiesMember2057000000JPY
Operating incomeInterimDuration_TotalOfReportableSegmentsAndOthersMember7634000000JPY
Operating incomeInterimDuration_ReconcilingItemsMember19000000JPY
Operating incomeInterimDuration7653000000JPY
Document title cover pageFilingDateInstant
Original text (Japanese)半期報告書
Clause of stipulation cover pageFilingDateInstant
Original text (Japanese)金融商品取引法第24条の5第1項の表の第1号
Place of filing cover pageFilingDateInstant
Original text (Japanese)関東財務局長
Filing date cover pageFilingDateInstant2025-11-07
Semi annual accounting period cover pageFilingDateInstant
Original text (Japanese)第68期中(自 2025年4月1日 至 2025年9月30日)
Company name cover pageFilingDateInstant
Original text (Japanese)ローム株式会社
Company name in english cover pageFilingDateInstantROHM COMPANY LIMITED
Title and name of representative cover pageFilingDateInstant
Original text (Japanese)代表取締役社長 社長執行役員  東 克己
Address of registered headquarter cover pageFilingDateInstant
Original text (Japanese)京都市右京区西院溝崎町21番地
Telephone number address of registered headquarter cover pageFilingDateInstant
Original text (Japanese)(075)311-2121(代表)
Name of contact person address of registered headquarter cover pageFilingDateInstant
Original text (Japanese)執行役員 経営戦略本部 本部長  安東 基浩
Nearest place of contact cover pageFilingDateInstant
Original text (Japanese)京都市右京区西院溝崎町21番地
Telephone number nearest place of contact cover pageFilingDateInstant
Original text (Japanese)(075)311-2121(代表)
Name of contact person nearest place of contact cover pageFilingDateInstant
Original text (Japanese)執行役員 経営戦略本部 本部長  安東 基浩

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
balance sheet identityconsolidated 2025-09-30pass
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