Half-year report · HY
1514.TEDINET S100WZKS
Period2025-04-01 → 2025-09-30
Filed2025-11-07
StandardJapan GAAP
ConsolidatedYes
Data checks14 of 14 passed
Key figures · 45
| Metric | Value | Period | Scope | Source row |
|---|---|---|---|---|
| Revenue | ¥5.0bn | 2025-04-01 → 2025-09-30 | Cons. | Net sales |
| Revenue | ¥10.3bn | 2024-04-01 → 2025-03-31 | Cons. | Net sales (5-year summary) |
| Revenue | ¥3.8bn | 2024-04-01 → 2024-09-30 | Cons. | Net sales |
| Operating income | ¥79m | 2025-04-01 → 2025-09-30 | Cons. | Operating income |
| Operating income | −¥38m | 2024-04-01 → 2024-09-30 | Cons. | Operating income |
| Ordinary income | ¥1.3bn | 2025-04-01 → 2025-09-30 | Cons. | Ordinary income |
| Ordinary income | ¥4.7bn | 2024-04-01 → 2025-03-31 | Cons. | Ordinary income loss (5-year summary) |
| Ordinary income | ¥2.3bn | 2024-04-01 → 2024-09-30 | Cons. | Ordinary income |
| Profit before tax | ¥1.3bn | 2025-04-01 → 2025-09-30 | Cons. | Income before income taxes |
| Profit before tax | ¥2.3bn | 2024-04-01 → 2024-09-30 | Cons. | Income before income taxes |
| Net income (owners) | ¥1.3bn | 2025-04-01 → 2025-09-30 | Cons. | Profit loss attributable to owners of parent |
| Net income (owners) | ¥4.2bn | 2024-04-01 → 2025-03-31 | Cons. | Profit loss attributable to owners of parent (5-year summary) |
| Net income (owners) | ¥2.3bn | 2024-04-01 → 2024-09-30 | Cons. | Profit loss attributable to owners of parent |
| Net income | ¥1.3bn | 2025-04-01 → 2025-09-30 | Cons. | Profit loss |
| Net income | ¥2.3bn | 2024-04-01 → 2024-09-30 | Cons. | Profit loss |
| Total assets | ¥31.0bn | at 2025-09-30 | Cons. | Assets |
| Total assets | ¥29.0bn | at 2025-03-31 | Cons. | Assets |
| Total assets | ¥29.3bn | at 2024-09-30 | Cons. | Total assets (5-year summary) |
| Total liabilities | ¥3.4bn | at 2025-09-30 | Cons. | Liabilities |
| Total liabilities | ¥1.0bn | at 2025-03-31 | Cons. | Liabilities |
| Net assets / equity | ¥27.6bn | at 2025-09-30 | Cons. | Net assets |
| Net assets / equity | ¥28.0bn | at 2025-03-31 | Cons. | Net assets |
| Net assets / equity | ¥26.2bn | at 2024-09-30 | Cons. | Net assets (5-year summary) |
| Cash and deposits | ¥7.4bn | at 2025-09-30 | Cons. | Cash and deposits |
| Cash and deposits | ¥15.4bn | at 2025-03-31 | Cons. | Cash and deposits |
| Cash & equivalents | ¥15.4bn | at 2025-09-30 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥15.4bn | at 2025-03-31 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥12.7bn | at 2024-09-30 | Cons. | Cash and cash equivalents |
| Cash & equivalents | ¥18.7bn | at 2024-03-31v | Cons. | Cash and cash equivalents |
| Operating cash flow | ¥3.0bn | 2025-04-01 → 2025-09-30 | Cons. | Net cash provided by used in operating activities |
| Operating cash flow | ¥26m | 2024-04-01 → 2025-03-31 | Cons. | Net cash provided by used in operating activities (5-year summary) |
| Operating cash flow | −¥2.6bn | 2024-04-01 → 2024-09-30 | Cons. | Net cash provided by used in operating activities |
| Investing cash flow | −¥1.1bn | 2025-04-01 → 2025-09-30 | Cons. | Net cash provided by used in investment activities |
| Investing cash flow | −¥216m | 2024-04-01 → 2025-03-31 | Cons. | Net cash provided by used in investing activities (5-year summary) |
| Investing cash flow | −¥195m | 2024-04-01 → 2024-09-30 | Cons. | Net cash provided by used in investment activities |
| Financing cash flow | −¥1.8bn | 2025-04-01 → 2025-09-30 | Cons. | Net cash provided by used in financing activities |
| Financing cash flow | −¥3.2bn | 2024-04-01 → 2025-03-31 | Cons. | Net cash provided by used in financing activities (5-year summary) |
| Financing cash flow | −¥3.2bn | 2024-04-01 → 2024-09-30 | Cons. | Net cash provided by used in financing activities |
| EPS (basic) | ¥20.97 | 2025-04-01 → 2025-09-30 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥76.76 | 2024-04-01 → 2025-03-31 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (basic) | ¥44.9 | 2024-04-01 → 2024-09-30 | Cons. | Basic earnings loss per share (5-year summary) |
| EPS (diluted) | ¥38.65 | 2024-04-01 → 2024-09-30 | Cons. | Diluted earnings per share (5-year summary) |
| Equity ratio | 89.0% | at 2025-09-30 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 96.5% | at 2025-03-31 | Cons. | Equity to asset ratio (5-year summary) |
| Equity ratio | 89.6% | 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 · 24
| Segment | Item | Period | Value |
|---|---|---|---|
| Coal Business Divisionreportable segment | revenue | 2025-04-01 → 2025-09-30 | ¥4.7bn |
| Coal Business Divisionreportable segment | revenue external | 2025-04-01 → 2025-09-30 | ¥4.7bn |
| Coal Business Divisionreportable segment | segment ordinary income | 2025-04-01 → 2025-09-30 | ¥197m |
| New Materials Divisionreportable segment | revenue | 2025-04-01 → 2025-09-30 | ¥127m |
| New Materials Divisionreportable segment | revenue external | 2025-04-01 → 2025-09-30 | ¥127m |
| New Materials Divisionreportable segment | segment ordinary income | 2025-04-01 → 2025-09-30 | ¥38m |
| Quarrying Business Divisionreportable segment | revenue | 2025-04-01 → 2025-09-30 | ¥196m |
| Quarrying Business Divisionreportable segment | revenue external | 2025-04-01 → 2025-09-30 | ¥196m |
| Quarrying Business Divisionreportable segment | segment ordinary income | 2025-04-01 → 2025-09-30 | ¥50m |
| Total Of Reportable Segments And Otherssegment total | revenue | 2025-04-01 → 2025-09-30 | ¥5.0bn |
| Total Of Reportable Segments And Otherssegment total | revenue external | 2025-04-01 → 2025-09-30 | ¥5.0bn |
| Total Of Reportable Segments And Otherssegment total | segment ordinary income | 2025-04-01 → 2025-09-30 | ¥285m |
| Coal Business Divisionreportable segment | revenue | 2024-04-01 → 2024-09-30 | ¥3.4bn |
| Coal Business Divisionreportable segment | revenue external | 2024-04-01 → 2024-09-30 | ¥3.4bn |
| Coal Business Divisionreportable segment | segment ordinary income | 2024-04-01 → 2024-09-30 | ¥168m |
| New Materials Divisionreportable segment | revenue | 2024-04-01 → 2024-09-30 | ¥132m |
| New Materials Divisionreportable segment | revenue external | 2024-04-01 → 2024-09-30 | ¥132m |
| New Materials Divisionreportable segment | segment ordinary income | 2024-04-01 → 2024-09-30 | ¥35m |
| Quarrying Business Divisionreportable segment | revenue | 2024-04-01 → 2024-09-30 | ¥251m |
| Quarrying Business Divisionreportable segment | revenue external | 2024-04-01 → 2024-09-30 | ¥251m |
| Quarrying Business Divisionreportable segment | segment ordinary income | 2024-04-01 → 2024-09-30 | ¥75m |
| Total Of Reportable Segments And Otherssegment total | revenue | 2024-04-01 → 2024-09-30 | ¥3.8bn |
| Total Of Reportable Segments And Otherssegment total | revenue external | 2024-04-01 → 2024-09-30 | ¥3.8bn |
| Total Of Reportable Segments And Otherssegment total | segment ordinary income | 2024-04-01 → 2024-09-30 | ¥278m |
Segment names come from EDINET member IDs; not yet mapped to a common taxonomy.
All source rows · 493
| Item | Context | Value | Unit |
|---|---|---|---|
| Transactions with other segments | Prior1InterimDuration_jpcrp040300-ssr_E21342-000QuarryingBusinessDivisionReportableSegmentsMember | － | JPY |
| Transactions with other segments | Prior1InterimDuration_TotalOfReportableSegmentsAndOthersMember | － | JPY |
| Net sales | Prior1InterimDuration_jpcrp040300-ssr_E21342-000CoalBusinessDivisionReportableSegmentsMember | 3416000000 | JPY |
| Net sales | Prior1InterimDuration_jpcrp040300-ssr_E21342-000NewMaterialsDivisionReportableSegmentsMember | 132000000 | JPY |
| Net sales | Prior1InterimDuration_jpcrp040300-ssr_E21342-000QuarryingBusinessDivisionReportableSegmentsMember | 251000000 | JPY |
| Net sales | Prior1InterimDuration_TotalOfReportableSegmentsAndOthersMember | 3798000000 | JPY |
| Ordinary income | Prior1InterimDuration_jpcrp040300-ssr_E21342-000CoalBusinessDivisionReportableSegmentsMember | 168000000 | JPY |
| Ordinary income | Prior1InterimDuration_jpcrp040300-ssr_E21342-000NewMaterialsDivisionReportableSegmentsMember | 35000000 | JPY |
| Ordinary income | Prior1InterimDuration_jpcrp040300-ssr_E21342-000QuarryingBusinessDivisionReportableSegmentsMember | 75000000 | JPY |
| Ordinary income | Prior1InterimDuration_TotalOfReportableSegmentsAndOthersMember | 278000000 | JPY |
| Revenues from external customers | InterimDuration_jpcrp040300-ssr_E21342-000CoalBusinessDivisionReportableSegmentsMember | 4713000000 | JPY |
| Revenues from external customers | InterimDuration_jpcrp040300-ssr_E21342-000NewMaterialsDivisionReportableSegmentsMember | 127000000 | JPY |
| Revenues from external customers | InterimDuration_jpcrp040300-ssr_E21342-000QuarryingBusinessDivisionReportableSegmentsMember | 196000000 | JPY |
| Revenues from external customers | InterimDuration_TotalOfReportableSegmentsAndOthersMember | 5035000000 | JPY |
| Transactions with other segments | InterimDuration_jpcrp040300-ssr_E21342-000CoalBusinessDivisionReportableSegmentsMember | － | JPY |
| Transactions with other segments | InterimDuration_jpcrp040300-ssr_E21342-000NewMaterialsDivisionReportableSegmentsMember | － | JPY |
| Transactions with other segments | InterimDuration_jpcrp040300-ssr_E21342-000QuarryingBusinessDivisionReportableSegmentsMember | － | JPY |
| Transactions with other segments | InterimDuration_TotalOfReportableSegmentsAndOthersMember | － | JPY |
| Net sales | InterimDuration_jpcrp040300-ssr_E21342-000CoalBusinessDivisionReportableSegmentsMember | 4713000000 | JPY |
| Net sales | InterimDuration_jpcrp040300-ssr_E21342-000NewMaterialsDivisionReportableSegmentsMember | 127000000 | JPY |
| Net sales | InterimDuration_jpcrp040300-ssr_E21342-000QuarryingBusinessDivisionReportableSegmentsMember | 196000000 | JPY |
| Net sales | InterimDuration_TotalOfReportableSegmentsAndOthersMember | 5035000000 | JPY |
| Ordinary income | InterimDuration_jpcrp040300-ssr_E21342-000CoalBusinessDivisionReportableSegmentsMember | 197000000 | JPY |
| Ordinary income | InterimDuration_jpcrp040300-ssr_E21342-000NewMaterialsDivisionReportableSegmentsMember | 38000000 | JPY |
| Ordinary income | InterimDuration_jpcrp040300-ssr_E21342-000QuarryingBusinessDivisionReportableSegmentsMember | 50000000 | JPY |
| Ordinary income | InterimDuration_TotalOfReportableSegmentsAndOthersMember | 285000000 | 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 | 2025-11-07 | |
| Semi annual accounting period cover page | FilingDateInstant | Original text (Japanese)第18期中（自 2025年４月１日 至 2025年９月30日） | |
| Company name cover page | FilingDateInstant | Original text (Japanese)住石ホールディングス株式会社 | |
| Company name in english cover page | FilingDateInstant | Sumiseki Holdings,Inc. | |
| Title and name of representative cover page | FilingDateInstant | Original text (Japanese)代表取締役社長 森 省輔 | |
| Address of registered headquarter cover page | FilingDateInstant | Original text (Japanese)東京都港区西新橋一丁目７番14号 | |
| Telephone number address of registered headquarter cover page | FilingDateInstant | 03(5511)1400 | |
| Name of contact person address of registered headquarter cover page | FilingDateInstant | Original text (Japanese)取締役執行役員財務部長 宮澤 義典 | |
| Nearest place of contact cover page | FilingDateInstant | Original text (Japanese)東京都港区西新橋一丁目７番14号 | |
| Telephone number nearest place of contact cover page | FilingDateInstant | 03(5511)1400 | |
| Name of contact person nearest place of contact cover page | FilingDateInstant | Original text (Japanese)取締役執行役員財務部長 宮澤 義典 | |
| Place for public inspection cover page (text) | FilingDateInstant | Text · Plus | |
| Edinet code | FilingDateInstant | E21342 | |
| Fund code | FilingDateInstant | － | |
| Security code | FilingDateInstant | 15140 | |
| Filer name in japanese | FilingDateInstant | Original text (Japanese)住石ホールディングス株式会社 | |
| Filer name in english | FilingDateInstant | Sumiseki Holdings,Inc. | |
| 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 |
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 |
| 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 |