Half-year report · Q2

Period2025-01-01 → 2025-06-30
Filed2025-08-08
StandardJapan GAAP
ConsolidatedYes
Data checks14 of 14 passed
Key figures · 44
MetricValuePeriodScopeSource row
Revenue¥205.4bn2025-01-01 → 2025-06-30Cons.Net sales
Revenue¥396.6bn2024-01-01 → 2024-12-31Cons.Net sales (5-year summary)
Revenue¥198.3bn2024-01-01 → 2024-06-30Cons.Net sales
Operating income¥7.5bn2025-01-01 → 2025-06-30Cons.Operating income
Operating income¥20.8bn2024-01-01 → 2024-06-30Cons.Operating income
Ordinary income¥4.7bn2025-01-01 → 2025-06-30Cons.Ordinary income
Ordinary income¥37.5bn2024-01-01 → 2024-12-31Cons.Ordinary income loss (5-year summary)
Ordinary income¥20.4bn2024-01-01 → 2024-06-30Cons.Ordinary income
Profit before tax¥4.7bn2025-01-01 → 2025-06-30Cons.Income before income taxes
Profit before tax¥20.4bn2024-01-01 → 2024-06-30Cons.Income before income taxes
Net income (owners)¥3.1bn2025-01-01 → 2025-06-30Cons.Profit loss attributable to owners of parent
Net income (owners)¥19.9bn2024-01-01 → 2024-12-31Cons.Profit loss attributable to owners of parent (5-year summary)
Net income (owners)¥12.6bn2024-01-01 → 2024-06-30Cons.Profit loss attributable to owners of parent
Net income¥3.3bn2025-01-01 → 2025-06-30Cons.Profit loss
Net income¥14.5bn2024-01-01 → 2024-06-30Cons.Profit loss
Total assets¥1.16Tat 2025-06-30Cons.Assets
Total assets¥1.17Tat 2024-12-31Cons.Assets
Total assets¥1.19Tat 2024-06-30Cons.Total assets (5-year summary)
Total liabilities¥505.9bnat 2025-06-30Cons.Liabilities
Total liabilities¥515.4bnat 2024-12-31Cons.Liabilities
Net assets / equity¥655.9bnat 2025-06-30Cons.Net assets
Net assets / equity¥657.2bnat 2024-12-31Cons.Net assets
Net assets / equity¥658.4bnat 2024-06-30Cons.Net assets (5-year summary)
Cash and deposits¥65.9bnat 2025-06-30Cons.Cash and deposits
Cash and deposits¥87.2bnat 2024-12-31Cons.Cash and deposits
Cash & equivalents¥80.9bnat 2025-06-30Cons.Cash and cash equivalents
Cash & equivalents¥95.7bnat 2024-12-31Cons.Cash and cash equivalents
Cash & equivalents¥155.2bnat 2024-06-30Cons.Cash and cash equivalents
Cash & equivalents¥156.4bnat 2023-12-31vCons.Cash and cash equivalents
Operating cash flow¥53.7bn2025-01-01 → 2025-06-30Cons.Net cash provided by used in operating activities
Operating cash flow¥69.6bn2024-01-01 → 2024-12-31Cons.Net cash provided by used in operating activities (5-year summary)
Operating cash flow¥36.6bn2024-01-01 → 2024-06-30Cons.Net cash provided by used in operating activities
Investing cash flow−¥70.6bn2025-01-01 → 2025-06-30Cons.Net cash provided by used in investment activities
Investing cash flow−¥247.9bn2024-01-01 → 2024-12-31Cons.Net cash provided by used in investing activities (5-year summary)
Investing cash flow−¥150.7bn2024-01-01 → 2024-06-30Cons.Net cash provided by used in investment activities
Financing cash flow¥6.1bn2025-01-01 → 2025-06-30Cons.Net cash provided by used in financing activities
Financing cash flow¥112.3bn2024-01-01 → 2024-12-31Cons.Net cash provided by used in financing activities (5-year summary)
Financing cash flow¥105.8bn2024-01-01 → 2024-06-30Cons.Net cash provided by used in financing activities
EPS (basic)¥8.812025-01-01 → 2025-06-30Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥56.842024-01-01 → 2024-12-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥36.072024-01-01 → 2024-06-30Cons.Basic earnings loss per share (5-year summary)
Equity ratio50.7%at 2025-06-30Cons.Equity to asset ratio (5-year summary)
Equity ratio50.5%at 2024-12-31Cons.Equity to asset ratio (5-year summary)
Equity ratio49.9%at 2024-06-30Cons.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 · 438
ItemContextValueUnit
Issued shares voting rights (text)FilingDateInstantText · Plus
Description issued shares voting rightsCurrentQuarterInstant_SharesWithNoVotingRightsMember-
Description issued shares voting rightsCurrentQuarterInstant_SharesWithRestrictedVotingRightsTreasurySharesEtcMember-
Description issued shares voting rightsCurrentQuarterInstant_SharesWithRestrictedVotingRightsOtherMember-
Description issued shares voting rightsCurrentQuarterInstant_OrdinarySharesTreasurySharesSharesWithFullVotingRightsTreasurySharesEtcMember
Original text (Japanese)単元株式数100株
Description issued shares voting rightsCurrentQuarterInstant_OrdinarySharesSharesWithFullVotingRightsOtherMember
Original text (Japanese)同上
Description issued shares voting rightsCurrentQuarterInstant_OrdinarySharesSharesLessThanOneUnitMember
Original text (Japanese)同上
Treasury shares etc (text)FilingDateInstantText · Plus
Name of shareholder treasury shares etcCurrentQuarterInstant_Row1Member
Original text (Japanese)(株)SUMCO
Address of shareholder treasury shares etcCurrentQuarterInstant_Row1Member
Original text (Japanese)東京都港区芝浦一丁目2番1号
Information about officers (text)FilingDateInstantText · Plus
Regulations in accordance with which consolidated financial statements have been prepared financial informationCurrentYTDDurationText · Plus
Type1 semi annual consolidated financial statements financial informationCurrentYTDDuration
Original text (Japanese)当社の中間連結財務諸表は、第一種中間連結財務諸表であります。
Note on independent audit financial informationCurrentYTDDurationText · Plus
Quarterly consolidated balance sheet (text)CurrentYTDDurationText · Plus
Year to quarter end consolidated statement of income (text)CurrentYTDDurationText · Plus
Year to quarter end consolidated statement of comprehensive income (text)CurrentYTDDurationText · Plus
Quarterly consolidated statement of cash flows (text)CurrentYTDDurationText · Plus
Notes changes in accounting policies in accordance with changes in accounting standards etc quarterly consolidated financial statements (text)CurrentYTDDurationText · Plus
Notes additional information quarterly consolidated financial statements (text)CurrentYTDDurationText · Plus
Notes regarding loans payable with financial covenant (text)CurrentQuarterInstantText · Plus
Debtors notes regarding overdraft contracts and or loan commitments (text)CurrentQuarterInstantText · Plus
Notes regarding advance payments trade (text)CurrentQuarterInstantText · Plus
Major components of selling general and administrative expenses (text)CurrentYTDDurationText · Plus
Reconciliation of ending balance of cash and cash equivalents with account balances per balance sheet (text)CurrentYTDDurationText · Plus
Notes regarding dividend (text)Prior1YTDDurationText · Plus
Notes when there is significant changes in amounts of equity (text)Prior1YTDDurationText · Plus
Notes regarding dividend (text)CurrentYTDDurationText · Plus
Notes when there is significant changes in amounts of equity (text)CurrentYTDDurationText · Plus
Notes segment information etc quarterly consolidated financial statements (text)CurrentYTDDurationText · Plus
Description of fact that companys business comprises single segmentPrior1YTDDuration
Original text (Japanese)当社グループの事業は「高純度シリコン」のみの単一セグメントであるため、記載を省略しております。
Description of fact that companys business comprises single segmentCurrentYTDDuration
Original text (Japanese)当社グループの事業は「高純度シリコン」のみの単一セグメントであるため、記載を省略しております。
Notes business combinations quarterly consolidated financial statements (text)CurrentYTDDurationText · Plus
Notes revenue recognition quarterly consolidated financial statements (text)CurrentYTDDurationText · Plus
Notes per share information quarterly consolidated financial statements (text)CurrentYTDDurationText · Plus
Notes significant events after reporting period quarterly consolidated financial statements (text)CurrentYTDDurationText · Plus
Other information consolidated financial statements etc (text)CurrentYTDDurationText · Plus
Information about company which provides guarantee to reporting company (text)FilingDateInstantText · 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 2024-12-31pass
balance sheet identityconsolidated 2025-06-30pass
dei present pass
period resolution pass
statement vs summary · net assetsconsolidated 2024-12-31pass
statement vs summary · net assetsconsolidated 2025-06-30pass
statement vs summary · net income attributable to parentconsolidated 2024-01-01/2024-06-30pass
statement vs summary · net income attributable to parentconsolidated 2025-01-01/2025-06-30pass
statement vs summary · operating cash flowconsolidated 2024-01-01/2024-06-30pass
statement vs summary · operating cash flowconsolidated 2025-01-01/2025-06-30pass
statement vs summary · revenueconsolidated 2024-01-01/2024-06-30pass
statement vs summary · revenueconsolidated 2025-01-01/2025-06-30pass
statement vs summary · total assetsconsolidated 2024-12-31pass
statement vs summary · total assetsconsolidated 2025-06-30pass