Half-year report · HY

Period2026-01-01 → 2026-06-30
Filed2026-08-07
StandardIFRS
ConsolidatedYes
Data checks12 of 12 passed
Key figures · 47
MetricValuePeriodScopeSource row
Revenue¥676.9bn2026-01-01 → 2026-06-30Cons.Revenue IFRS
Revenue¥1.35T2025-01-01 → 2025-12-31Cons.Revenue IFRS (5-year summary)
Revenue¥642.1bn2025-01-01 → 2025-06-30Cons.Revenue IFRS
Operating income¥73.3bn2026-01-01 → 2026-06-30Cons.Operating profit loss IFRS
Operating income¥32.6bn2025-01-01 → 2025-06-30Cons.Operating profit loss IFRS
Profit before tax¥72.8bn2026-01-01 → 2026-06-30Cons.Profit loss before tax IFRS
Profit before tax¥45.0bn2025-01-01 → 2025-12-31Cons.Profit loss before tax IFRS (5-year summary)
Profit before tax¥30.4bn2025-01-01 → 2025-06-30Cons.Profit loss before tax IFRS
Net income (owners)¥48.5bn2026-01-01 → 2026-06-30Cons.Profit loss attributable to owners of parent IFRS
Net income (owners)¥29.0bn2025-01-01 → 2025-12-31Cons.Profit loss attributable to owners of parent IFRS (5-year summary)
Net income (owners)¥19.7bn2025-01-01 → 2025-06-30Cons.Profit loss attributable to owners of parent IFRS
Net income¥49.0bn2026-01-01 → 2026-06-30Cons.Profit loss IFRS
Net income¥19.9bn2025-01-01 → 2025-06-30Cons.Profit loss IFRS
Total assets¥2.22Tat 2026-06-30Cons.Assets IFRS
Total assets¥2.11Tat 2025-12-31Cons.Assets IFRS
Total assets¥2.04Tat 2025-06-30Cons.Total assets IFRS (5-year summary)
Total liabilities¥1.41Tat 2026-06-30Cons.Liabilities IFRS
Total liabilities¥1.38Tat 2025-12-31Cons.Liabilities IFRS
Net assets / equity¥805.0bnat 2026-06-30Cons.Equity IFRS
Net assets / equity¥727.6bnat 2025-12-31Cons.Equity IFRS
Net assets / equity¥673.8bnat 2025-06-30Cons.Equity IFRS
Net assets / equity¥692.0bnat 2024-12-31vCons.Equity IFRS
Equity (owners)¥788.1bnat 2026-06-30Cons.Equity attributable to owners of parent IFRS
Equity (owners)¥698.9bnat 2025-12-31Cons.Equity attributable to owners of parent IFRS
Equity (owners)¥647.6bnat 2025-06-30Cons.Equity attributable to owners of parent IFRS (5-year summary)
Cash & equivalents¥327.1bnat 2026-06-30Cons.Cash and cash equivalents IFRS
Cash & equivalents¥262.0bnat 2025-12-31Cons.Cash and cash equivalents IFRS
Cash & equivalents¥208.0bnat 2025-06-30Cons.Cash and cash equivalents IFRS
Cash & equivalents¥294.7bnat 2024-12-31vCons.Cash and cash equivalents IFRS
Operating cash flow¥84.4bn2026-01-01 → 2026-06-30Cons.Net cash provided by used in operating activities IFRS
Operating cash flow¥130.3bn2025-01-01 → 2025-12-31Cons.Cash flows from used in operating activities IFRS (5-year summary)
Operating cash flow¥34.6bn2025-01-01 → 2025-06-30Cons.Net cash provided by used in operating activities IFRS
Investing cash flow−¥57.0bn2026-01-01 → 2026-06-30Cons.Net cash provided by used in investing activities IFRS
Investing cash flow−¥87.1bn2025-01-01 → 2025-12-31Cons.Cash flows from used in investing activities IFRS (5-year summary)
Investing cash flow−¥47.9bn2025-01-01 → 2025-06-30Cons.Net cash provided by used in investing activities IFRS
Financing cash flow¥9.5bn2026-01-01 → 2026-06-30Cons.Net cash provided by used in financing activities IFRS
Financing cash flow−¥69.9bn2025-01-01 → 2025-12-31Cons.Cash flows from used in financing activities IFRS (5-year summary)
Financing cash flow−¥64.4bn2025-01-01 → 2025-06-30Cons.Net cash provided by used in financing activities IFRS
EPS (basic)¥267.152026-01-01 → 2026-06-30Cons.Basic earnings loss per share IFRS
EPS (basic)¥160.492025-01-01 → 2025-12-31Cons.Basic earnings loss per share IFRS (5-year summary)
EPS (basic)¥108.712025-01-01 → 2025-06-30Cons.Basic earnings loss per share IFRS
EPS (diluted)¥240.252026-01-01 → 2026-06-30Cons.Diluted earnings loss per share IFRS
EPS (diluted)¥160.492025-01-01 → 2025-12-31Cons.Diluted earnings loss per share IFRS (5-year summary)
EPS (diluted)¥108.712025-01-01 → 2025-06-30Cons.Diluted earnings loss per share IFRS
Equity ratio35.6%at 2026-06-30Cons.Ratio of owners equity to gross assets IFRS (5-year summary)
Equity ratio33.2%at 2025-12-31Cons.Ratio of owners equity to gross assets IFRS (5-year summary)
Equity ratio31.8%at 2025-06-30Cons.Ratio of owners equity to gross assets IFRS (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 · 62
SegmentItemPeriodValue
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue2026-01-01 → 2026-06-30¥25.4bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue external2026-01-01 → 2026-06-30¥21.4bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue intersegment2026-01-01 → 2026-06-30¥4.0bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentssegment profit2026-01-01 → 2026-06-30¥3.3bn
Reconciling Itemsreconcilingrevenue2026-01-01 → 2026-06-30−¥21.9bn
Reconciling Itemsreconcilingrevenue intersegment2026-01-01 → 2026-06-30−¥21.9bn
Reconciling Itemsreconcilingsegment profit2026-01-01 → 2026-06-30−¥9.8bn
Chemicalsreportable segmentrevenue2026-01-01 → 2026-06-30¥97.8bn
Chemicalsreportable segmentrevenue external2026-01-01 → 2026-06-30¥91.8bn
Chemicalsreportable segmentrevenue intersegment2026-01-01 → 2026-06-30¥6.1bn
Chemicalsreportable segmentsegment profit2026-01-01 → 2026-06-30−¥612m
Crasus Chemicalreportable segmentrevenue2026-01-01 → 2026-06-30¥132.0bn
Crasus Chemicalreportable segmentrevenue external2026-01-01 → 2026-06-30¥130.1bn
Crasus Chemicalreportable segmentrevenue intersegment2026-01-01 → 2026-06-30¥2.0bn
Crasus Chemicalreportable segmentsegment profit2026-01-01 → 2026-06-30¥3.8bn
Innovation Enabling Materialsreportable segmentrevenue2026-01-01 → 2026-06-30¥56.8bn
Innovation Enabling Materialsreportable segmentrevenue external2026-01-01 → 2026-06-30¥50.0bn
Innovation Enabling Materialsreportable segmentrevenue intersegment2026-01-01 → 2026-06-30¥6.8bn
Innovation Enabling Materialsreportable segmentsegment profit2026-01-01 → 2026-06-30¥6.3bn
Mobilityreportable segmentrevenue2026-01-01 → 2026-06-30¥84.9bn
Mobilityreportable segmentrevenue external2026-01-01 → 2026-06-30¥84.6bn
Mobilityreportable segmentrevenue intersegment2026-01-01 → 2026-06-30¥297m
Mobilityreportable segmentsegment profit2026-01-01 → 2026-06-30¥4.3bn
Semiconductor And Electronic Materialsreportable segmentrevenue2026-01-01 → 2026-06-30¥301.8bn
Semiconductor And Electronic Materialsreportable segmentrevenue external2026-01-01 → 2026-06-30¥299.0bn
Semiconductor And Electronic Materialsreportable segmentrevenue intersegment2026-01-01 → 2026-06-30¥2.9bn
Semiconductor And Electronic Materialsreportable segmentsegment profit2026-01-01 → 2026-06-30¥81.5bn
—segment totalrevenue2026-01-01 → 2026-06-30¥673.4bn
—segment totalrevenue external2026-01-01 → 2026-06-30¥655.4bn
—segment totalrevenue intersegment2026-01-01 → 2026-06-30¥17.9bn
—segment totalsegment profit2026-01-01 → 2026-06-30¥95.3bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue2025-01-01 → 2025-06-30¥51.8bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue external2025-01-01 → 2025-06-30¥48.5bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentsrevenue intersegment2025-01-01 → 2025-06-30¥3.3bn
Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segmentssegment profit2025-01-01 → 2025-06-30¥2.1bn
Reconciling Itemsreconcilingrevenue2025-01-01 → 2025-06-30−¥18.9bn
Reconciling Itemsreconcilingrevenue intersegment2025-01-01 → 2025-06-30−¥18.9bn
Reconciling Itemsreconcilingsegment profit2025-01-01 → 2025-06-30−¥7.3bn
Chemicalsreportable segmentrevenue2025-01-01 → 2025-06-30¥83.6bn
Chemicalsreportable segmentrevenue external2025-01-01 → 2025-06-30¥78.4bn
Chemicalsreportable segmentrevenue intersegment2025-01-01 → 2025-06-30¥5.1bn
Chemicalsreportable segmentsegment profit2025-01-01 → 2025-06-30−¥8.2bn
Crasus Chemicalreportable segmentrevenue2025-01-01 → 2025-06-30¥151.7bn
Crasus Chemicalreportable segmentrevenue external2025-01-01 → 2025-06-30¥149.9bn
Crasus Chemicalreportable segmentrevenue intersegment2025-01-01 → 2025-06-30¥1.9bn
Crasus Chemicalreportable segmentsegment profit2025-01-01 → 2025-06-30−¥806m
Innovation Enabling Materialsreportable segmentrevenue2025-01-01 → 2025-06-30¥50.9bn
Innovation Enabling Materialsreportable segmentrevenue external2025-01-01 → 2025-06-30¥44.9bn
Innovation Enabling Materialsreportable segmentrevenue intersegment2025-01-01 → 2025-06-30¥5.9bn
Innovation Enabling Materialsreportable segmentsegment profit2025-01-01 → 2025-06-30¥4.9bn
Mobilityreportable segmentrevenue2025-01-01 → 2025-06-30¥90.0bn
Mobilityreportable segmentrevenue external2025-01-01 → 2025-06-30¥89.7bn
Mobilityreportable segmentrevenue intersegment2025-01-01 → 2025-06-30¥317m
Mobilityreportable segmentsegment profit2025-01-01 → 2025-06-30¥1.3bn
Semiconductor And Electronic Materialsreportable segmentrevenue2025-01-01 → 2025-06-30¥233.0bn
Semiconductor And Electronic Materialsreportable segmentrevenue external2025-01-01 → 2025-06-30¥230.7bn
Semiconductor And Electronic Materialsreportable segmentrevenue intersegment2025-01-01 → 2025-06-30¥2.3bn
Semiconductor And Electronic Materialsreportable segmentsegment profit2025-01-01 → 2025-06-30¥42.5bn
—segment totalrevenue2025-01-01 → 2025-06-30¥609.1bn
—segment totalrevenue external2025-01-01 → 2025-06-30¥593.6bn
—segment totalrevenue intersegment2025-01-01 → 2025-06-30¥15.5bn
—segment totalsegment profit2025-01-01 → 2025-06-30¥39.8bn

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

All source rows · 864
ItemContextValueUnit
Total number of shares (text)FilingDateInstantText · Plus
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)東京証券取引所プライム市場
Description issued shares total number of shares etcFilingDateInstant_OrdinaryShareMember
Original text (Japanese)権利内容に何ら限定のない当社における標準となる株式であり、単元株式数は100株であります。
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)日本マスタートラスト信託銀行株式会社(信託口)
Address major shareholdersInterimInstant_No1MajorShareholdersMember
Original text (Japanese)東京都港区赤坂一丁目8番1号
Name major shareholdersInterimInstant_No2MajorShareholdersMember
Original text (Japanese)STATE STREET BANK AND TRUST COMPANY 505001(常任代理人 株式会社みずほ銀行)
Address major shareholdersInterimInstant_No2MajorShareholdersMemberText · Plus
Name major shareholdersInterimInstant_No3MajorShareholdersMember
Original text (Japanese)株式会社日本カストディ銀行(信託口)
Address major shareholdersInterimInstant_No3MajorShareholdersMember
Original text (Japanese)東京都中央区晴海一丁目8番12号
Name major shareholdersInterimInstant_No4MajorShareholdersMember
Original text (Japanese)STATE STREET BANK AND TRUST COMPANY 505223(常任代理人 株式会社みずほ銀行)
Address major shareholdersInterimInstant_No4MajorShareholdersMemberText · Plus
Name major shareholdersInterimInstant_No5MajorShareholdersMemberText · Plus
Address major shareholdersInterimInstant_No5MajorShareholdersMemberText · Plus
Name major shareholdersInterimInstant_No6MajorShareholdersMember
Original text (Japanese)富国生命保険相互会社
Address major shareholdersInterimInstant_No6MajorShareholdersMember
Original text (Japanese)東京都千代田区内幸町二丁目2番2号
Name major shareholdersInterimInstant_No7MajorShareholdersMember
Original text (Japanese)STATE STREET BANK AND TRUST COMPANY 505103(常任代理人 株式会社みずほ銀行)
Address major shareholdersInterimInstant_No7MajorShareholdersMemberText · Plus
Name major shareholdersInterimInstant_No8MajorShareholdersMember
Original text (Japanese)JP MORGAN CHASE BANK 385781(常任代理人 株式会社みずほ銀行)
Address major shareholdersInterimInstant_No8MajorShareholdersMemberText · Plus
Name major shareholdersInterimInstant_No9MajorShareholdersMemberText · Plus
Address major shareholdersInterimInstant_No9MajorShareholdersMemberText · Plus
Name major shareholdersInterimInstant_No10MajorShareholdersMember
Original text (Japanese)MSCO CUSTOMER SECURITIES(常任代理人 モルガン・スタンレーMUFG証券株式会社)
Address major shareholdersInterimInstant_No10MajorShareholdersMemberText · Plus
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_SharesWithFullVotingRightsTreasurySharesEtcMember
Original text (Japanese)権利内容に何ら限定のない当社における標準となる株式
Description issued shares voting rightsInterimInstant_SharesWithFullVotingRightsOtherMember
Original text (Japanese)同上
Description issued shares voting rightsInterimInstant_SharesLessThanOneUnitMember
Original text (Japanese)同上1単元(100株)未満の株式
Treasury shares etc (text)FilingDateInstantText · Plus
Name of shareholder treasury shares etcInterimInstant_Row1Member
Original text (Japanese)株式会社レゾナック・ホールディングス
Address of shareholder treasury shares etcInterimInstant_Row1Member
Original text (Japanese)東京都港区東新橋一丁目9番1号
Information about officers (text)FilingDateInstantText · Plus
Description of fact that consolidated financial statements have been prepared in accordance with IFRS financial informationInterimDurationText · Plus
Type1 semi annual consolidated financial statements financial informationInterimDurationText · Plus
Note on independent audit financial informationInterimDurationText · Plus
Condensed semi annual consolidated statement of financial position IFRS (text)InterimDurationText · Plus
Condensed semi annual consolidated statement of profit or loss IFRS (text)InterimDurationText · Plus
Condensed semi annual consolidated statement of comprehensive income IFRS (text)InterimDurationText · Plus
Condensed semi annual consolidated statement of changes in equity IFRS (text)InterimDurationText · Plus
Condensed semi annual consolidated statement of cash flows IFRS (text)InterimDurationText · Plus
Notes reporting entity condensed semi annual consolidated financial statements IFRS (text)InterimDurationText · 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 · 12 of 12 passed
balance sheet identityconsolidated 2025-12-31pass
balance sheet identityconsolidated 2026-06-30pass
dei present pass
period resolution pass
statement vs summary · net income attributable to parentconsolidated 2025-01-01/2025-06-30pass
statement vs summary · net income attributable to parentconsolidated 2026-01-01/2026-06-30pass
statement vs summary · operating cash flowconsolidated 2025-01-01/2025-06-30pass
statement vs summary · operating cash flowconsolidated 2026-01-01/2026-06-30pass
statement vs summary · revenueconsolidated 2025-01-01/2025-06-30pass
statement vs summary · revenueconsolidated 2026-01-01/2026-06-30pass
statement vs summary · total assetsconsolidated 2025-12-31pass
statement vs summary · total assetsconsolidated 2026-06-30pass