Half-year report · HY
4042.TEDINET S100X3CT
Period2025-04-01 → 2025-09-30
Filed2025-11-13
StandardJapan GAAP
ConsolidatedYes
Data checks14 of 14 passed
Key figures · 47
| Metric | Value | Period | Scope | Source row |
|---|---|---|---|---|
| Revenue | ¥499.1bn | 2025-04-01 → 2025-09-30 | Cons. | Net sales |
| Revenue | ¥1.06T | 2024-04-01 → 2025-03-31 | Cons. | Net sales (5-year summary) |
| Revenue | ¥527.6bn | 2024-04-01 → 2024-09-30 | Cons. | Net sales |
| Operating income | ¥44.7bn | 2025-04-01 → 2025-09-30 | Cons. | Operating income |
| Operating income | ¥47.4bn | 2024-04-01 → 2024-09-30 | Cons. | Operating income |
| Ordinary income | ¥45.7bn | 2025-04-01 → 2025-09-30 | Cons. | Ordinary income |
| Ordinary income | ¥103.0bn | 2024-04-01 → 2025-03-31 | Cons. | Ordinary income loss (5-year summary) |
| Ordinary income | ¥45.1bn | 2024-04-01 → 2024-09-30 | Cons. | Ordinary income |
| Profit before tax | ¥28.1bn | 2025-04-01 → 2025-09-30 | Cons. | Income before income taxes |
| Profit before tax | ¥45.4bn | 2024-04-01 → 2024-09-30 | Cons. | Income before income taxes |
| Net income (owners) | ¥7.4bn | 2025-04-01 → 2025-09-30 | Cons. | Profit loss attributable to owners of parent |
| Net income (owners) | ¥58.0bn | 2024-04-01 → 2025-03-31 | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income (owners) | ¥24.9bn | 2024-04-01 → 2024-09-30 | Cons. | Profit loss attributable to owners of parent |
| Net income | ¥13.8bn | 2025-04-01 → 2025-09-30 | Cons. | Profit loss |
| Net income | ¥29.2bn | 2024-04-01 → 2024-09-30 | Cons. | Profit loss |
| Total assets | ¥1.30T | at 2025-09-30 | Cons. | Assets |
| Total assets | ¥1.33T | at 2025-03-31 | Cons. | Assets |
| Total assets | ¥1.33T | at 2024-09-30 | Cons. | Total assets (5-year summary) |
| Total liabilities | ¥410.8bn | at 2025-09-30 | Cons. | Liabilities |
| Total liabilities | ¥424.9bn | at 2025-03-31 | Cons. | Liabilities |
| Net assets / equity | ¥889.2bn | at 2025-09-30 | Cons. | Net assets |
| Net assets / equity | ¥902.4bn | at 2025-03-31 | Cons. | Net assets |
| Net assets / equity | ¥883.1bn | at 2024-09-30 | Cons. | Net assets (5-year summary) |
| Cash and deposits | ¥134.8bn | at 2025-09-30 | Cons. | Cash and deposits |
| Cash and deposits | ¥141.5bn | at 2025-03-31 | Cons. | Cash and deposits |
| Cash & equivalents | ¥133.1bn | at 2025-09-30 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥138.8bn | at 2025-03-31 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥139.3bn | at 2024-09-30 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥149.0bn | at 2024-03-31v | Cons. | Cash and cash equivalents |
| Operating cash flow | ¥57.0bn | 2025-04-01 → 2025-09-30 | Cons. | Net cash provided by used in operating activities |
| Operating cash flow | ¥106.2bn | 2024-04-01 → 2025-03-31 | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Operating cash flow | ¥49.1bn | 2024-04-01 → 2024-09-30 | Cons. | Net cash provided by used in operating activities |
| Investing cash flow | −¥35.2bn | 2025-04-01 → 2025-09-30 | Cons. | Net cash provided by used in investment activities |
| Investing cash flow | −¥81.6bn | 2024-04-01 → 2025-03-31 | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Investing cash flow | −¥47.1bn | 2024-04-01 → 2024-09-30 | Cons. | Net cash provided by used in investment activities |
| Financing cash flow | −¥27.0bn | 2025-04-01 → 2025-09-30 | Cons. | Net cash provided by used in financing activities |
| Financing cash flow | −¥37.9bn | 2024-04-01 → 2025-03-31 | Cons. | Net cash provided by used in financing activities (5-year summary) |
| Financing cash flow | −¥15.6bn | 2024-04-01 → 2024-09-30 | Cons. | Net cash provided by used in financing activities |
| EPS (basic) | ¥23.21 | 2025-04-01 → 2025-09-30 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥182.13 | 2024-04-01 → 2025-03-31 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥78.32 | 2024-04-01 → 2024-09-30 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (diluted) | ¥23.2 | 2025-04-01 → 2025-09-30 | Cons. | Diluted earnings per share (5-year summary) |
| EPS (diluted) | ¥182.11 | 2024-04-01 → 2025-03-31 | Cons. | Diluted earnings per share (5-year summary) |
| EPS (diluted) | ¥78.31 | 2024-04-01 → 2024-09-30 | Cons. | Diluted earnings per share (5-year summary) |
| Equity ratio | 62.3% | at 2025-09-30 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 62.3% | at 2025-03-31 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 61.5% | at 2024-09-30 | Cons. | 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 · 52
| Segment | Item | Period | Value |
|---|---|---|---|
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | revenue | 2025-04-01 → 2025-09-30 | ¥56.8bn |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | revenue external | 2025-04-01 → 2025-09-30 | ¥22.4bn |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | revenue intersegment | 2025-04-01 → 2025-09-30 | ¥34.4bn |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | segment profit | 2025-04-01 → 2025-09-30 | ¥1.8bn |
| Reconciling Itemsreconciling | revenue | 2025-04-01 → 2025-09-30 | −¥135.7bn |
| Reconciling Itemsreconciling | revenue intersegment | 2025-04-01 → 2025-09-30 | −¥135.7bn |
| Chlor Alkalireportable segment | revenue | 2025-04-01 → 2025-09-30 | ¥188.4bn |
| Chlor Alkalireportable segment | revenue external | 2025-04-01 → 2025-09-30 | ¥166.1bn |
| Chlor Alkalireportable segment | revenue intersegment | 2025-04-01 → 2025-09-30 | ¥22.3bn |
| Chlor Alkalireportable segment | segment profit | 2025-04-01 → 2025-09-30 | −¥315m |
| Engineeringreportable segment | revenue | 2025-04-01 → 2025-09-30 | ¥95.1bn |
| Engineeringreportable segment | revenue external | 2025-04-01 → 2025-09-30 | ¥85.8bn |
| Engineeringreportable segment | revenue intersegment | 2025-04-01 → 2025-09-30 | ¥9.3bn |
| Engineeringreportable segment | segment profit | 2025-04-01 → 2025-09-30 | ¥18.5bn |
| Petrochemicalreportable segment | revenue | 2025-04-01 → 2025-09-30 | ¥149.0bn |
| Petrochemicalreportable segment | revenue external | 2025-04-01 → 2025-09-30 | ¥89.7bn |
| Petrochemicalreportable segment | revenue intersegment | 2025-04-01 → 2025-09-30 | ¥59.4bn |
| Petrochemicalreportable segment | segment profit | 2025-04-01 → 2025-09-30 | ¥4.1bn |
| Specialtyreportable segment | revenue | 2025-04-01 → 2025-09-30 | ¥145.5bn |
| Specialtyreportable segment | revenue external | 2025-04-01 → 2025-09-30 | ¥135.1bn |
| Specialtyreportable segment | revenue intersegment | 2025-04-01 → 2025-09-30 | ¥10.4bn |
| Specialtyreportable segment | segment profit | 2025-04-01 → 2025-09-30 | ¥20.7bn |
| Total Of Reportable Segments And Otherssegment total | revenue | 2025-04-01 → 2025-09-30 | ¥634.8bn |
| Total Of Reportable Segments And Otherssegment total | revenue external | 2025-04-01 → 2025-09-30 | ¥499.1bn |
| Total Of Reportable Segments And Otherssegment total | revenue intersegment | 2025-04-01 → 2025-09-30 | ¥135.7bn |
| Total Of Reportable Segments And Otherssegment total | segment profit | 2025-04-01 → 2025-09-30 | ¥44.7bn |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | revenue | 2024-04-01 → 2024-09-30 | ¥55.8bn |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | revenue external | 2024-04-01 → 2024-09-30 | ¥22.8bn |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | revenue intersegment | 2024-04-01 → 2024-09-30 | ¥33.0bn |
| Operating Segments Not Included In Reportable Segments And Other Revenue Generating Business Activitiesother segments | segment profit | 2024-04-01 → 2024-09-30 | ¥1.5bn |
| Reconciling Itemsreconciling | revenue | 2024-04-01 → 2024-09-30 | −¥156.9bn |
| Reconciling Itemsreconciling | revenue intersegment | 2024-04-01 → 2024-09-30 | −¥156.9bn |
| Chlor Alkalireportable segment | revenue | 2024-04-01 → 2024-09-30 | ¥209.8bn |
| Chlor Alkalireportable segment | revenue external | 2024-04-01 → 2024-09-30 | ¥185.2bn |
| Chlor Alkalireportable segment | revenue intersegment | 2024-04-01 → 2024-09-30 | ¥24.6bn |
| Chlor Alkalireportable segment | segment profit | 2024-04-01 → 2024-09-30 | ¥4.5bn |
| Engineeringreportable segment | revenue | 2024-04-01 → 2024-09-30 | ¥86.7bn |
| Engineeringreportable segment | revenue external | 2024-04-01 → 2024-09-30 | ¥77.0bn |
| Engineeringreportable segment | revenue intersegment | 2024-04-01 → 2024-09-30 | ¥9.7bn |
| Engineeringreportable segment | segment profit | 2024-04-01 → 2024-09-30 | ¥12.6bn |
| Petrochemicalreportable segment | revenue | 2024-04-01 → 2024-09-30 | ¥184.2bn |
| Petrochemicalreportable segment | revenue external | 2024-04-01 → 2024-09-30 | ¥106.2bn |
| Petrochemicalreportable segment | revenue intersegment | 2024-04-01 → 2024-09-30 | ¥78.0bn |
| Petrochemicalreportable segment | segment profit | 2024-04-01 → 2024-09-30 | ¥7.3bn |
| Specialtyreportable segment | revenue | 2024-04-01 → 2024-09-30 | ¥148.0bn |
| Specialtyreportable segment | revenue external | 2024-04-01 → 2024-09-30 | ¥136.4bn |
| Specialtyreportable segment | revenue intersegment | 2024-04-01 → 2024-09-30 | ¥11.5bn |
| Specialtyreportable segment | segment profit | 2024-04-01 → 2024-09-30 | ¥21.5bn |
| Total Of Reportable Segments And Otherssegment total | revenue | 2024-04-01 → 2024-09-30 | ¥684.5bn |
| Total Of Reportable Segments And Otherssegment total | revenue external | 2024-04-01 → 2024-09-30 | ¥527.6bn |
| Total Of Reportable Segments And Otherssegment total | revenue intersegment | 2024-04-01 → 2024-09-30 | ¥156.9bn |
| Total Of Reportable Segments And Otherssegment total | segment profit | 2024-04-01 → 2024-09-30 | ¥47.4bn |
Segment names come from EDINET member IDs; not yet mapped to a common taxonomy.
All source rows · 521
| Item | Context | Value | Unit |
|---|---|---|---|
| Net sales | InterimDuration_ReconcilingItemsMember | -135706000000 | JPY |
| Net sales | InterimDuration | 499139000000 | JPY |
| Operating income | InterimDuration_jpcrp040300-ssr_E00767-000PetrochemicalReportableSegmentsMember | 4145000000 | JPY |
| Operating income | InterimDuration_jpcrp040300-ssr_E00767-000ChlorAlkaliReportableSegmentsMember | -315000000 | JPY |
| Operating income | InterimDuration_jpcrp040300-ssr_E00767-000SpecialtyReportableSegmentsMember | 20688000000 | JPY |
| Operating income | InterimDuration_jpcrp040300-ssr_E00767-000EngineeringReportableSegmentsMember | 18473000000 | JPY |
| Operating income | InterimDuration_OperatingSegmentsNotIncludedInReportableSegmentsAndOtherRevenueGeneratingBusinessActivitiesMember | 1751000000 | JPY |
| Operating income | InterimDuration_TotalOfReportableSegmentsAndOthersMember | 44742000000 | JPY |
| Operating income | InterimDuration_ReconcilingItemsMember | － | JPY |
| Operating income | InterimDuration | 44742000000 | JPY |
| Document title cover page | FilingDateInstant | Original text (Japanese)半期報告書 | |
| Clause of stipulation cover page | FilingDateInstant | 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 page | FilingDateInstant | Original text (Japanese)関東財務局長 | |
| Filing date cover page | FilingDateInstant | 2025-11-13 | |
| Semi annual accounting period cover page | FilingDateInstant | Original text (Japanese)第127期中(自 2025年４月１日 至 2025年９月30日) | |
| Company name cover page | FilingDateInstant | Original text (Japanese)東ソー株式会社 | |
| Company name in english cover page | FilingDateInstant | TOSOH CORPORATION | |
| Title and name of representative cover page | FilingDateInstant | Original text (Japanese)代表取締役社長 桒 田 守 | |
| Address of registered headquarter cover page | FilingDateInstant | Original text (Japanese)山口県周南市開成町4560番地 | |
| Telephone number address of registered headquarter cover page | FilingDateInstant | (0834)63-9801 | |
| Name of contact person address of registered headquarter cover page | FilingDateInstant | Original text (Japanese)経営管理室南陽経理課長 後 藤 滋 彦 | |
| Nearest place of contact cover page | FilingDateInstant | Original text (Japanese)東京都中央区八重洲二丁目２番１号 | |
| Telephone number nearest place of contact cover page | FilingDateInstant | (03)6636-3713 | |
| Name of contact person nearest place of contact cover page | FilingDateInstant | Original text (Japanese)経営管理室部長 仲 田 修 治 | |
| Place for public inspection cover page (text) | FilingDateInstant | Text · Plus | |
| Edinet code | FilingDateInstant | E00767 | |
| Fund code | FilingDateInstant | － | |
| Security code | FilingDateInstant | 40420 | |
| Filer name in japanese | FilingDateInstant | Original text (Japanese)東ソー株式会社 | |
| Filer name in english | FilingDateInstant | TOSOH CORPORATION | |
| Fund name in japanese | FilingDateInstant | － | |
| Fund name in english | FilingDateInstant | － | |
| Cabinet office ordinance | FilingDateInstant | Original text (Japanese)企業内容等の開示に関する内閣府令 | |
| Document type | FilingDateInstant | Original text (Japanese)第四号の三様式 | |
| Accounting standards | FilingDateInstant | Japan GAAP | |
| Whether consolidated financial statements are prepared | FilingDateInstant | true | |
| Industry code when consolidated financial statements are prepared in accordance with industry specific regulations | FilingDateInstant | cte | |
| Industry code when financial statements are prepared in accordance with industry specific regulations | FilingDateInstant | － | |
| Current fiscal year start date | FilingDateInstant | 2025-04-01 | |
| Current period end date | FilingDateInstant | 2025-09-30 | |
| Type of current period | FilingDateInstant | HY | |
| Current fiscal year end date | FilingDateInstant | 2026-03-31 | |
| Previous fiscal year start date | FilingDateInstant | 2024-04-01 | |
| Comparative period end date | FilingDateInstant | 2024-09-30 | |
| Previous fiscal year end date | FilingDateInstant | 2025-03-31 | |
| Next fiscal year start date | FilingDateInstant | － | |
| End date of quarterly or semi annual period of next fiscal year | FilingDateInstant | － | |
| Amendment flag | FilingDateInstant | false | |
| Identification of document subject to amendment | FilingDateInstant | － | |
| Report amendment flag | FilingDateInstant | false |
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 identity | pass |
| balance sheet identity | pass rounding |
| dei present | pass |
| period resolution | pass |
| statement vs summary · net assets | pass |
| statement vs summary · net assets | pass |
| statement vs summary · net income attributable to parent | pass |
| statement vs summary · net income attributable to parent | pass |
| statement vs summary · operating cash flow | pass |
| statement vs summary · operating cash flow | pass |
| statement vs summary · revenue | pass |
| statement vs summary · revenue | pass |
| statement vs summary · total assets | pass |
| statement vs summary · total assets | pass |