Listed

GCT Semiconductor Holding, Inc.

GCTSNYSECIK 1851961TechnologyFiscal year ends Dec 31

Standardized line items from XBRL company facts, the last twelve quarters. Negative values are in parentheses. A figure marked d is derived from year-to-date figures.

Income statement

Revenue$971.0k, Q2 FY2026
Operating income−$7.4m, Q2 FY2026
Net income−$20.4m, Q2 FY2026
GCT Semiconductor Holding, Inc., income statement, quarterly
Line itemUnitQ3 FY20232023-09-30Q4 FY20232023-12-31Q1 FY20242024-03-31Q2 FY20242024-06-30Q3 FY20242024-09-30Q4 FY20242024-12-31Q1 FY20252025-03-31Q2 FY20252025-06-30Q3 FY20252025-09-30Q4 FY20252025-12-31Q1 FY20262026-03-31Q2 FY20262026-06-30
Revenue$m4.5Revenue, Q3 FY2023, three months to 2023-09-30$4.5m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2024-11-14, accession 0000950170-24-127082.Report this figure4.2Revenue, Q4 FY2023, three months to 2023-12-31$4.2m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2025-03-25, accession 0000950170-25-044438. Derived: 12-month figure less the 9-month figure.Report this figure3.3Revenue, Q1 FY2024, three months to 2024-03-31$3.3m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2025-05-14, accession 0000950170-25-071424.Report this figure1.5Revenue, Q2 FY2024, three months to 2024-06-30$1.5m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2025-08-12, accession 0001851961-25-000010.Report this figure2.6Revenue, Q3 FY2024, three months to 2024-09-30$2.6m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2025-11-12, accession 0001193125-25-277777.Report this figure1.8Revenue, Q4 FY2024, three months to 2024-12-31$1.8m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2026-03-25, accession 0001193125-26-124183. Derived: 12-month figure less the 9-month figure.Report this figure0.5Revenue, Q1 FY2025, three months to 2025-03-31$496.0k. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-05-12, accession 0001193125-26-219536.Report this figure1.2Revenue, Q2 FY2025, three months to 2025-06-30$1.2m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-08-10, accession 0001193125-26-342564.Report this figure0.4Revenue, Q3 FY2025, three months to 2025-09-30$430.0k. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2025-11-12, accession 0001193125-25-277777.Report this figure0.8Revenue, Q4 FY2025, three months to 2025-12-31$758.0k. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2026-03-25, accession 0001193125-26-124183. Derived: 12-month figure less the 9-month figure.Report this figure1.9Revenue, Q1 FY2026, three months to 2026-03-31$1.9m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-05-12, accession 0001193125-26-219536.Report this figure1.0Revenue, Q2 FY2026, three months to 2026-06-30$971.0k. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-08-10, accession 0001193125-26-342564.Report this figure
Cost of revenue$m3.9Cost of revenue, Q3 FY2023, three months to 2023-09-30$3.9m. XBRL concept us-gaap:CostOfRevenue. 10-Q filed 2024-11-14, accession 0000950170-24-127082.Report this figure2.3Cost of revenue, Q4 FY2023, three months to 2023-12-31$2.3m. XBRL concept us-gaap:CostOfRevenue. 10-K filed 2025-03-25, accession 0000950170-25-044438. Derived: 12-month figure less the 9-month figure.Report this figure1.3Cost of revenue, Q1 FY2024, three months to 2024-03-31$1.3m. XBRL concept us-gaap:CostOfRevenue. 10-Q filed 2025-05-14, accession 0000950170-25-071424.Report this figure0.5Cost of revenue, Q2 FY2024, three months to 2024-06-30$547.0k. XBRL concept us-gaap:CostOfRevenue. 10-Q filed 2025-08-12, accession 0001851961-25-000010.Report this figure1.0Cost of revenue, Q3 FY2024, three months to 2024-09-30$984.0k. XBRL concept us-gaap:CostOfRevenue. 10-Q filed 2025-11-12, accession 0001193125-25-277777.Report this figure1.2Cost of revenue, Q4 FY2024, three months to 2024-12-31$1.2m. XBRL concept us-gaap:CostOfRevenue. 10-K filed 2026-03-25, accession 0001193125-26-124183. Derived: 12-month figure less the 9-month figure.Report this figure0.4Cost of revenue, Q1 FY2025, three months to 2025-03-31$408.0k. XBRL concept us-gaap:CostOfRevenue. 10-Q filed 2026-05-12, accession 0001193125-26-219536.Report this figure0.8Cost of revenue, Q2 FY2025, three months to 2025-06-30$804.0k. XBRL concept us-gaap:CostOfRevenue. 10-Q filed 2026-08-10, accession 0001193125-26-342564.Report this figure1.5Cost of revenue, Q3 FY2025, three months to 2025-09-30$1.5m. XBRL concept us-gaap:CostOfRevenue. 10-Q filed 2025-11-12, accession 0001193125-25-277777.Report this figure2.0Cost of revenue, Q4 FY2025, three months to 2025-12-31$2.0m. XBRL concept us-gaap:CostOfRevenue. 10-K filed 2026-03-25, accession 0001193125-26-124183. Derived: 12-month figure less the 9-month figure.Report this figure1.0Cost of revenue, Q1 FY2026, three months to 2026-03-31$973.0k. XBRL concept us-gaap:CostOfRevenue. 10-Q filed 2026-05-12, accession 0001193125-26-219536.Report this figure1.2Cost of revenue, Q2 FY2026, three months to 2026-06-30$1.2m. XBRL concept us-gaap:CostOfRevenue. 10-Q filed 2026-08-10, accession 0001193125-26-342564.Report this figure
Gross profit$m0.5Gross profit, Q3 FY2023, three months to 2023-09-30$527.0k. XBRL concept us-gaap:GrossProfit. 10-Q filed 2024-11-14, accession 0000950170-24-127082.Report this figure1.9Gross profit, Q4 FY2023, three months to 2023-12-31$1.9m. XBRL concept us-gaap:GrossProfit. 10-K filed 2025-03-25, accession 0000950170-25-044438. Derived: 12-month figure less the 9-month figure.Report this figure2.0Gross profit, Q1 FY2024, three months to 2024-03-31$2.0m. XBRL concept us-gaap:GrossProfit. 10-Q filed 2025-05-14, accession 0000950170-25-071424.Report this figure0.9Gross profit, Q2 FY2024, three months to 2024-06-30$921.0k. XBRL concept us-gaap:GrossProfit. 10-Q filed 2025-08-12, accession 0001851961-25-000010.Report this figure1.6Gross profit, Q3 FY2024, three months to 2024-09-30$1.6m. XBRL concept us-gaap:GrossProfit. 10-Q filed 2025-11-12, accession 0001193125-25-277777.Report this figure0.6Gross profit, Q4 FY2024, three months to 2024-12-31$576.0k. XBRL concept us-gaap:GrossProfit. 10-K filed 2026-03-25, accession 0001193125-26-124183. Derived: 12-month figure less the 9-month figure.Report this figure0.1Gross profit, Q1 FY2025, three months to 2025-03-31$88.0k. XBRL concept us-gaap:GrossProfit. 10-Q filed 2026-05-12, accession 0001193125-26-219536.Report this figure0.4Gross profit, Q2 FY2025, three months to 2025-06-30$378.0k. XBRL concept us-gaap:GrossProfit. 10-Q filed 2026-08-10, accession 0001193125-26-342564.Report this figure(1.1)Gross profit, Q3 FY2025, three months to 2025-09-30−$1.1m. XBRL concept us-gaap:GrossProfit. 10-Q filed 2025-11-12, accession 0001193125-25-277777.Report this figure(1.2)Gross profit, Q4 FY2025, three months to 2025-12-31−$1.2m. XBRL concept us-gaap:GrossProfit. 10-K filed 2026-03-25, accession 0001193125-26-124183. Derived: 12-month figure less the 9-month figure.Report this figure0.9Gross profit, Q1 FY2026, three months to 2026-03-31$947.0k. XBRL concept us-gaap:GrossProfit. 10-Q filed 2026-05-12, accession 0001193125-26-219536.Report this figure(0.2)Gross profit, Q2 FY2026, three months to 2026-06-30−$226.0k. XBRL concept us-gaap:GrossProfit. 10-Q filed 2026-08-10, accession 0001193125-26-342564.Report this figure
Research and development$m2.4Research and development, Q3 FY2023, three months to 2023-09-30$2.4m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2024-11-14, accession 0000950170-24-127082.Report this figure3.5Research and development, Q4 FY2023, three months to 2023-12-31$3.5m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-K filed 2025-03-25, accession 0000950170-25-044438. Derived: 12-month figure less the 9-month figure.Report this figure5.5Research and development, Q1 FY2024, three months to 2024-03-31$5.5m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2025-05-14, accession 0000950170-25-071424.Report this figure4.2Research and development, Q2 FY2024, three months to 2024-06-30$4.2m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2025-08-12, accession 0001851961-25-000010.Report this figure4.2Research and development, Q3 FY2024, three months to 2024-09-30$4.2m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2025-11-12, accession 0001193125-25-277777.Report this figure3.4Research and development, Q4 FY2024, three months to 2024-12-31$3.4m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-K filed 2026-03-25, accession 0001193125-26-124183. Derived: 12-month figure less the 9-month figure.Report this figure4.1Research and development, Q1 FY2025, three months to 2025-03-31$4.1m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2026-05-12, accession 0001193125-26-219536.Report this figure3.5Research and development, Q2 FY2025, three months to 2025-06-30$3.5m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2026-08-10, accession 0001193125-26-342564.Report this figure3.3Research and development, Q3 FY2025, three months to 2025-09-30$3.3m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2025-11-12, accession 0001193125-25-277777.Report this figure3.1Research and development, Q4 FY2025, three months to 2025-12-31$3.1m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-K filed 2026-03-25, accession 0001193125-26-124183. Derived: 12-month figure less the 9-month figure.Report this figure3.2Research and development, Q1 FY2026, three months to 2026-03-31$3.2m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2026-05-12, accession 0001193125-26-219536.Report this figure3.3Research and development, Q2 FY2026, three months to 2026-06-30$3.3m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2026-08-10, accession 0001193125-26-342564.Report this figure
Operating income$m(4.0)Operating income, Q3 FY2023, three months to 2023-09-30−$4.0m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2024-11-14, accession 0000950170-24-127082.Report this figure(4.3)Operating income, Q4 FY2023, three months to 2023-12-31−$4.3m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2025-03-25, accession 0000950170-25-044438. Derived: 12-month figure less the 9-month figure.Report this figure7.2Operating income, Q1 FY2024, three months to 2024-03-31$7.2m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2025-05-14, accession 0000950170-25-071424.Report this figure(7.1)Operating income, Q2 FY2024, three months to 2024-06-30−$7.1m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2025-08-12, accession 0001851961-25-000010.Report this figure(5.9)Operating income, Q3 FY2024, three months to 2024-09-30−$5.9m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2025-11-12, accession 0001193125-25-277777.Report this figure(7.4)Operating income, Q4 FY2024, three months to 2024-12-31−$7.4m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2026-03-25, accession 0001193125-26-124183. Derived: 12-month figure less the 9-month figure.Report this figure(7.7)Operating income, Q1 FY2025, three months to 2025-03-31−$7.7m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-05-12, accession 0001193125-26-219536.Report this figure(7.6)Operating income, Q2 FY2025, three months to 2025-06-30−$7.6m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-08-10, accession 0001193125-26-342564.Report this figure(9.3)Operating income, Q3 FY2025, three months to 2025-09-30−$9.3m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2025-11-12, accession 0001193125-25-277777.Report this figure(12.0)Operating income, Q4 FY2025, three months to 2025-12-31−$12.0m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2026-03-25, accession 0001193125-26-124183. Derived: 12-month figure less the 9-month figure.Report this figure(6.1)Operating income, Q1 FY2026, three months to 2026-03-31−$6.1m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-05-12, accession 0001193125-26-219536.Report this figure(7.4)Operating income, Q2 FY2026, three months to 2026-06-30−$7.4m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-08-10, accession 0001193125-26-342564.Report this figure
Interest expense$m1.2Interest expense, Q3 FY2023, three months to 2023-09-30$1.2m. XBRL concept us-gaap:InterestExpense. 10-Q filed 2024-11-14, accession 0000950170-24-127082.Report this figure1.4Interest expense, Q4 FY2023, three months to 2023-12-31$1.4m. XBRL concept us-gaap:InterestExpense. 10-K filed 2025-03-25, accession 0000950170-25-044438. Derived: 12-month figure less the 9-month figure.Report this figure2.1Interest expense, Q1 FY2024, three months to 2024-03-31$2.1m. XBRL concept us-gaap:InterestExpense. 10-Q filed 2025-05-14, accession 0000950170-25-071424.Report this figure0.8Interest expense, Q2 FY2024, three months to 2024-06-30$760.0k. XBRL concept us-gaap:InterestExpense. 10-Q filed 2025-08-12, accession 0001851961-25-000010.Report this figure0.7Interest expense, Q3 FY2024, three months to 2024-09-30$667.0k. XBRL concept us-gaap:InterestExpense. 10-Q filed 2025-11-12, accession 0001193125-25-277777.Report this figure0.4Interest expense, Q4 FY2024, three months to 2024-12-31$358.0k. XBRL concept us-gaap:InterestExpense. 10-K filed 2026-03-25, accession 0001193125-26-124183. Derived: 12-month figure less the 9-month figure.Report this figure1.1Interest expense, Q1 FY2025, three months to 2025-03-31$1.1m. XBRL concept us-gaap:InterestExpense. 10-Q filed 2026-05-12, accession 0001193125-26-219536.Report this figure1.5Interest expense, Q2 FY2025, three months to 2025-06-30$1.5m. XBRL concept us-gaap:InterestExpense. 10-Q filed 2026-08-10, accession 0001193125-26-342564.Report this figure1.8Interest expense, Q3 FY2025, three months to 2025-09-30$1.8m. XBRL concept us-gaap:InterestExpense. 10-Q filed 2025-11-12, accession 0001193125-25-277777.Report this figure1.6Interest expense, Q4 FY2025, three months to 2025-12-31$1.6m. XBRL concept us-gaap:InterestExpense. 10-K filed 2026-03-25, accession 0001193125-26-124183. Derived: 12-month figure less the 9-month figure.Report this figure1.8Interest expense, Q1 FY2026, three months to 2026-03-31$1.8m. XBRL concept us-gaap:InterestExpense. 10-Q filed 2026-05-12, accession 0001193125-26-219536.Report this figure1.2Interest expense, Q2 FY2026, three months to 2026-06-30$1.2m. XBRL concept us-gaap:InterestExpense. 10-Q filed 2026-08-10, accession 0001193125-26-342564.Report this figure
Income tax$m0.0Income tax, Q3 FY2023, three months to 2023-09-30$38.0k. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2024-11-14, accession 0000950170-24-127082.Report this figure0.4Income tax, Q4 FY2023, three months to 2023-12-31$416.0k. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-K filed 2025-03-25, accession 0000950170-25-044438. Derived: 12-month figure less the 9-month figure.Report this figure0.1Income tax, Q1 FY2024, three months to 2024-03-31$59.0k. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2025-05-14, accession 0000950170-25-071424.Report this figure0.1Income tax, Q2 FY2024, three months to 2024-06-30$67.0k. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2025-08-12, accession 0001851961-25-000010.Report this figure0.1Income tax, Q3 FY2024, three months to 2024-09-30$61.0k. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2025-11-12, accession 0001193125-25-277777.Report this figure0.3Income tax, Q4 FY2024, three months to 2024-12-31$258.0k. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-K filed 2026-03-25, accession 0001193125-26-124183. Derived: 12-month figure less the 9-month figure.Report this figure0.1Income tax, Q1 FY2025, three months to 2025-03-31$105.0k. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2026-05-12, accession 0001193125-26-219536.Report this figure0.0Income tax, Q2 FY2025, three months to 2025-06-30$39.0k. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2026-08-10, accession 0001193125-26-342564.Report this figure0.2Income tax, Q3 FY2025, three months to 2025-09-30$178.0k. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2025-11-12, accession 0001193125-25-277777.Report this figure0.6Income tax, Q4 FY2025, three months to 2025-12-31$580.0k. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-K filed 2026-03-25, accession 0001193125-26-124183. Derived: 12-month figure less the 9-month figure.Report this figure0.1Income tax, Q1 FY2026, three months to 2026-03-31$128.0k. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2026-05-12, accession 0001193125-26-219536.Report this figure0.1Income tax, Q2 FY2026, three months to 2026-06-30$108.0k. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2026-08-10, accession 0001193125-26-342564.Report this figure
Net income$m(4.3)Net income, Q3 FY2023, three months to 2023-09-30−$4.3m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2024-11-14, accession 0000950170-24-127082.Report this figure(10.2)Net income, Q4 FY2023, three months to 2023-12-31−$10.2m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2025-03-25, accession 0000950170-25-044438. Derived: 12-month figure less the 9-month figure.Report this figure0.8Net income, Q1 FY2024, three months to 2024-03-31$757.0k. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2025-11-12, accession 0001193125-25-277777.Report this figure(1.0)Net income, Q2 FY2024, three months to 2024-06-30−$1.0m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2025-11-12, accession 0001193125-25-277777.Report this figure(7.1)Net income, Q3 FY2024, three months to 2024-09-30−$7.1m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2025-11-12, accession 0001193125-25-277777.Report this figure(5.0)Net income, Q4 FY2024, three months to 2024-12-31−$5.0m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2026-03-25, accession 0001193125-26-124183. Derived: 12-month figure less the 9-month figure.Report this figure(7.0)Net income, Q1 FY2025, three months to 2025-03-31−$7.0m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-08-10, accession 0001193125-26-342564.Report this figure(13.5)Net income, Q2 FY2025, three months to 2025-06-30−$13.5m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-08-10, accession 0001193125-26-342564.Report this figure(13.8)Net income, Q3 FY2025, three months to 2025-09-30−$13.8m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2025-11-12, accession 0001193125-25-277777.Report this figure(9.0)Net income, Q4 FY2025, three months to 2025-12-31−$9.0m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2026-03-25, accession 0001193125-26-124183. Derived: 12-month figure less the 9-month figure.Report this figure(9.9)Net income, Q1 FY2026, three months to 2026-03-31−$9.9m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-08-10, accession 0001193125-26-342564.Report this figure(20.4)Net income, Q2 FY2026, three months to 2026-06-30−$20.4m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-08-10, accession 0001193125-26-342564.Report this figure
Diluted EPS$ per share(0.18)Diluted EPS, Q3 FY2023, three months to 2023-09-30−$0.18 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2024-11-14, accession 0000950170-24-127082.Report this figurenot reported0.03Diluted EPS, Q1 FY2024, three months to 2024-03-31$0.03 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2025-05-14, accession 0000950170-25-071424.Report this figure(0.02)Diluted EPS, Q2 FY2024, three months to 2024-06-30−$0.02 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2025-08-12, accession 0001851961-25-000010.Report this figure(0.16)Diluted EPS, Q3 FY2024, three months to 2024-09-30−$0.16 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2025-11-12, accession 0001193125-25-277777.Report this figurenot reported(0.15)Diluted EPS, Q1 FY2025, three months to 2025-03-31−$0.15 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-05-12, accession 0001193125-26-219536.Report this figure(0.26)Diluted EPS, Q2 FY2025, three months to 2025-06-30−$0.26 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-08-10, accession 0001193125-26-342564.Report this figure(0.25)Diluted EPS, Q3 FY2025, three months to 2025-09-30−$0.25 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2025-11-12, accession 0001193125-25-277777.Report this figurenot reported(0.15)Diluted EPS, Q1 FY2026, three months to 2026-03-31−$0.15 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-05-12, accession 0001193125-26-219536.Report this figure(0.25)Diluted EPS, Q2 FY2026, three months to 2026-06-30−$0.25 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-08-10, accession 0001193125-26-342564.Report this figure
Basic EPS$ per share(0.18)Basic EPS, Q3 FY2023, three months to 2023-09-30−$0.18 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2024-11-14, accession 0000950170-24-127082.Report this figurenot reported0.03Basic EPS, Q1 FY2024, three months to 2024-03-31$0.03 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2025-05-14, accession 0000950170-25-071424.Report this figure(0.02)Basic EPS, Q2 FY2024, three months to 2024-06-30−$0.02 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2025-08-12, accession 0001851961-25-000010.Report this figure(0.16)Basic EPS, Q3 FY2024, three months to 2024-09-30−$0.16 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2025-11-12, accession 0001193125-25-277777.Report this figurenot reported(0.15)Basic EPS, Q1 FY2025, three months to 2025-03-31−$0.15 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2026-05-12, accession 0001193125-26-219536.Report this figure(0.26)Basic EPS, Q2 FY2025, three months to 2025-06-30−$0.26 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2026-08-10, accession 0001193125-26-342564.Report this figure(0.25)Basic EPS, Q3 FY2025, three months to 2025-09-30−$0.25 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2025-11-12, accession 0001193125-25-277777.Report this figurenot reported(0.15)Basic EPS, Q1 FY2026, three months to 2026-03-31−$0.15 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2026-05-12, accession 0001193125-26-219536.Report this figure(0.25)Basic EPS, Q2 FY2026, three months to 2026-06-30−$0.25 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2026-08-10, accession 0001193125-26-342564.Report this figure

Balance sheet

Cash and equivalents$30.2m, Q2 FY2026
Long-term debt$55.1m, Q2 FY2026
Shareholders' equity−$52.0m, Q2 FY2026
GCT Semiconductor Holding, Inc., balance sheet, quarterly
Line itemUnitQ3 FY20232023-09-30FY20232023-12-31Q1 FY20242024-03-31Q2 FY20242024-06-30Q3 FY20242024-09-30FY20242024-12-31Q1 FY20252025-03-31Q2 FY20252025-06-30Q3 FY20252025-09-30FY20252025-12-31Q1 FY20262026-03-31Q2 FY20262026-06-30
Cash and equivalents$m0.2Cash and equivalents, Q3 FY2023, at 2023-09-30$212.9k. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2023-11-14, accession 0001410578-23-002439.Report this figure0.3Cash and equivalents, FY2023, at 2023-12-31$258.0k. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-K filed 2025-03-25, accession 0000950170-25-044438.Report this figure16.1Cash and equivalents, Q1 FY2024, at 2024-03-31$16.1m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2024-05-14, accession 0001410578-24-000825.Report this figure4.0Cash and equivalents, Q2 FY2024, at 2024-06-30$4.0m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2024-08-14, accession 0001410578-24-001463.Report this figure1.8Cash and equivalents, Q3 FY2024, at 2024-09-30$1.8m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2024-11-14, accession 0000950170-24-127082.Report this figure1.4Cash and equivalents, FY2024, at 2024-12-31$1.4m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-K filed 2026-03-25, accession 0001193125-26-124183.Report this figure1.0Cash and equivalents, Q1 FY2025, at 2025-03-31$1.0m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2025-05-14, accession 0000950170-25-071424.Report this figure1.3Cash and equivalents, Q2 FY2025, at 2025-06-30$1.3m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2025-08-12, accession 0001851961-25-000010.Report this figure8.3Cash and equivalents, Q3 FY2025, at 2025-09-30$8.3m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2025-11-12, accession 0001193125-25-277777.Report this figure0.6Cash and equivalents, FY2025, at 2025-12-31$590.0k. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2026-08-10, accession 0001193125-26-342564.Report this figure7.2Cash and equivalents, Q1 FY2026, at 2026-03-31$7.2m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2026-05-12, accession 0001193125-26-219536.Report this figure30.2Cash and equivalents, Q2 FY2026, at 2026-06-30$30.2m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2026-08-10, accession 0001193125-26-342564.Report this figure
Current assets$m0.3Current assets, Q3 FY2023, at 2023-09-30$262.4k. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2023-11-14, accession 0001410578-23-002439.Report this figure13.0Current assets, FY2023, at 2023-12-31$13.0m. XBRL concept us-gaap:AssetsCurrent. 10-K filed 2025-03-25, accession 0000950170-25-044438.Report this figure32.8Current assets, Q1 FY2024, at 2024-03-31$32.8m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2024-05-14, accession 0001410578-24-000825.Report this figure20.6Current assets, Q2 FY2024, at 2024-06-30$20.6m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2024-08-14, accession 0001410578-24-001463.Report this figure20.0Current assets, Q3 FY2024, at 2024-09-30$20.0m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2024-11-14, accession 0000950170-24-127082.Report this figure17.6Current assets, FY2024, at 2024-12-31$17.6m. XBRL concept us-gaap:AssetsCurrent. 10-K filed 2026-03-25, accession 0001193125-26-124183.Report this figure15.4Current assets, Q1 FY2025, at 2025-03-31$15.4m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2025-05-14, accession 0000950170-25-071424.Report this figure15.7Current assets, Q2 FY2025, at 2025-06-30$15.7m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2025-08-12, accession 0001851961-25-000010.Report this figure21.9Current assets, Q3 FY2025, at 2025-09-30$21.9m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2025-11-12, accession 0001193125-25-277777.Report this figure11.9Current assets, FY2025, at 2025-12-31$11.9m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2026-08-10, accession 0001193125-26-342564.Report this figure19.0Current assets, Q1 FY2026, at 2026-03-31$19.0m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2026-05-12, accession 0001193125-26-219536.Report this figure46.7Current assets, Q2 FY2026, at 2026-06-30$46.7m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2026-08-10, accession 0001193125-26-342564.Report this figure
Total assets$m43.4Total assets, Q3 FY2023, at 2023-09-30$43.4m. XBRL concept us-gaap:Assets. 10-Q filed 2023-11-14, accession 0001410578-23-002439.Report this figure16.4Total assets, FY2023, at 2023-12-31$16.4m. XBRL concept us-gaap:Assets. 10-K filed 2025-03-25, accession 0000950170-25-044438.Report this figure35.8Total assets, Q1 FY2024, at 2024-03-31$35.8m. XBRL concept us-gaap:Assets. 10-Q filed 2024-05-14, accession 0001410578-24-000825.Report this figure23.4Total assets, Q2 FY2024, at 2024-06-30$23.4m. XBRL concept us-gaap:Assets. 10-Q filed 2024-08-14, accession 0001410578-24-001463.Report this figure22.6Total assets, Q3 FY2024, at 2024-09-30$22.6m. XBRL concept us-gaap:Assets. 10-Q filed 2024-11-14, accession 0000950170-24-127082.Report this figure19.9Total assets, FY2024, at 2024-12-31$19.9m. XBRL concept us-gaap:Assets. 10-K filed 2026-03-25, accession 0001193125-26-124183.Report this figure17.5Total assets, Q1 FY2025, at 2025-03-31$17.5m. XBRL concept us-gaap:Assets. 10-Q filed 2025-05-14, accession 0000950170-25-071424.Report this figure17.6Total assets, Q2 FY2025, at 2025-06-30$17.6m. XBRL concept us-gaap:Assets. 10-Q filed 2025-08-12, accession 0001851961-25-000010.Report this figure24.3Total assets, Q3 FY2025, at 2025-09-30$24.3m. XBRL concept us-gaap:Assets. 10-Q filed 2025-11-12, accession 0001193125-25-277777.Report this figure15.6Total assets, FY2025, at 2025-12-31$15.6m. XBRL concept us-gaap:Assets. 10-Q filed 2026-08-10, accession 0001193125-26-342564.Report this figure22.4Total assets, Q1 FY2026, at 2026-03-31$22.4m. XBRL concept us-gaap:Assets. 10-Q filed 2026-05-12, accession 0001193125-26-219536.Report this figure49.8Total assets, Q2 FY2026, at 2026-06-30$49.8m. XBRL concept us-gaap:Assets. 10-Q filed 2026-08-10, accession 0001193125-26-342564.Report this figure
Current liabilities$m6.3Current liabilities, Q3 FY2023, at 2023-09-30$6.3m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2023-11-14, accession 0001410578-23-002439.Report this figure115Current liabilities, FY2023, at 2023-12-31$114.8m. XBRL concept us-gaap:LiabilitiesCurrent. 10-K filed 2025-03-25, accession 0000950170-25-044438.Report this figure72.6Current liabilities, Q1 FY2024, at 2024-03-31$72.6m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2024-05-14, accession 0001410578-24-000825.Report this figure62.9Current liabilities, Q2 FY2024, at 2024-06-30$62.9m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2024-08-14, accession 0001410578-24-001463.Report this figure61.9Current liabilities, Q3 FY2024, at 2024-09-30$61.9m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2024-11-14, accession 0000950170-24-127082.Report this figure60.9Current liabilities, FY2024, at 2024-12-31$60.9m. XBRL concept us-gaap:LiabilitiesCurrent. 10-K filed 2026-03-25, accession 0001193125-26-124183.Report this figure71.4Current liabilities, Q1 FY2025, at 2025-03-31$71.4m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2025-05-14, accession 0000950170-25-071424.Report this figure74.0Current liabilities, Q2 FY2025, at 2025-06-30$74.0m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2025-08-12, accession 0001851961-25-000010.Report this figure87.1Current liabilities, Q3 FY2025, at 2025-09-30$87.1m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2025-11-12, accession 0001193125-25-277777.Report this figure79.6Current liabilities, FY2025, at 2025-12-31$79.6m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2026-08-10, accession 0001193125-26-342564.Report this figure74.5Current liabilities, Q1 FY2026, at 2026-03-31$74.5m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2026-05-12, accession 0001193125-26-219536.Report this figure56.7Current liabilities, Q2 FY2026, at 2026-06-30$56.7m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2026-08-10, accession 0001193125-26-342564.Report this figure
Total liabilities$m21.7Total liabilities, Q3 FY2023, at 2023-09-30$21.7m. XBRL concept us-gaap:Liabilities. 10-Q filed 2023-11-14, accession 0001410578-23-002439.Report this figure132Total liabilities, FY2023, at 2023-12-31$131.9m. XBRL concept us-gaap:Liabilities. 10-K filed 2025-03-25, accession 0000950170-25-044438.Report this figure98.2Total liabilities, Q1 FY2024, at 2024-03-31$98.2m. XBRL concept us-gaap:Liabilities. 10-Q filed 2024-05-14, accession 0001410578-24-000825.Report this figure81.7Total liabilities, Q2 FY2024, at 2024-06-30$81.7m. XBRL concept us-gaap:Liabilities. 10-Q filed 2024-08-14, accession 0001410578-24-001463.Report this figure80.9Total liabilities, Q3 FY2024, at 2024-09-30$80.9m. XBRL concept us-gaap:Liabilities. 10-Q filed 2024-11-14, accession 0000950170-24-127082.Report this figure79.2Total liabilities, FY2024, at 2024-12-31$79.2m. XBRL concept us-gaap:Liabilities. 10-K filed 2026-03-25, accession 0001193125-26-124183.Report this figure83.1Total liabilities, Q1 FY2025, at 2025-03-31$83.1m. XBRL concept us-gaap:Liabilities. 10-Q filed 2025-05-14, accession 0000950170-25-071424.Report this figure87.6Total liabilities, Q2 FY2025, at 2025-06-30$87.6m. XBRL concept us-gaap:Liabilities. 10-Q filed 2025-08-12, accession 0001851961-25-000010.Report this figure104Total liabilities, Q3 FY2025, at 2025-09-30$104.4m. XBRL concept us-gaap:Liabilities. 10-Q filed 2025-11-12, accession 0001193125-25-277777.Report this figure98.9Total liabilities, FY2025, at 2025-12-31$98.9m. XBRL concept us-gaap:Liabilities. 10-Q filed 2026-08-10, accession 0001193125-26-342564.Report this figure96.3Total liabilities, Q1 FY2026, at 2026-03-31$96.3m. XBRL concept us-gaap:Liabilities. 10-Q filed 2026-05-12, accession 0001193125-26-219536.Report this figure102Total liabilities, Q2 FY2026, at 2026-06-30$101.8m. XBRL concept us-gaap:Liabilities. 10-Q filed 2026-08-10, accession 0001193125-26-342564.Report this figure
Long-term debt$mnot reported6.2Long-term debt, FY2023, at 2023-12-31$6.2m. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-K filed 2025-03-25, accession 0000950170-25-044438.Report this figure4.7Long-term debt, Q1 FY2024, at 2024-03-31$4.7m. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2024-05-14, accession 0001410578-24-000825.Report this figure4.7Long-term debt, Q2 FY2024, at 2024-06-30$4.7m. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2024-08-14, accession 0001410578-24-001463.Report this figure4.8Long-term debt, Q3 FY2024, at 2024-09-30$4.8m. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2024-11-14, accession 0000950170-24-127082.Report this figure4.9Long-term debt, FY2024, at 2024-12-31$4.9m. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-K filed 2026-03-25, accession 0001193125-26-124183.Report this figure0.0Long-term debt, Q1 FY2025, at 2025-03-31$0. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2025-05-14, accession 0000950170-25-071424.Report this figure0.0Long-term debt, Q2 FY2025, at 2025-06-30$0. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2025-08-12, accession 0001851961-25-000010.Report this figure0.0Long-term debt, Q3 FY2025, at 2025-09-30$0. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2025-11-12, accession 0001193125-25-277777.Report this figure6.0Long-term debt, FY2025, at 2025-12-31$6.0m. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-K filed 2026-03-25, accession 0001193125-26-124183.Report this figure57.7Long-term debt, Q1 FY2026, at 2026-03-31$57.7m. XBRL concept us-gaap:LongTermDebt. 10-Q filed 2026-05-12, accession 0001193125-26-219536.Report this figure55.1Long-term debt, Q2 FY2026, at 2026-06-30$55.1m. XBRL concept us-gaap:LongTermDebt. 10-Q filed 2026-08-10, accession 0001193125-26-342564.Report this figure
Current portion of debt$mnot reported72.3Current portion of debt, FY2023, at 2023-12-31$72.3m. XBRL concept us-gaap:LongTermDebtCurrent. 10-K filed 2025-03-25, accession 0000950170-25-044438.Report this figure45.5Current portion of debt, Q1 FY2024, at 2024-03-31$45.5m. XBRL concept us-gaap:LongTermDebtCurrent. 10-Q filed 2024-05-14, accession 0001410578-24-000825.Report this figure38.6Current portion of debt, Q2 FY2024, at 2024-06-30$38.6m. XBRL concept us-gaap:LongTermDebtCurrent. 10-Q filed 2024-08-14, accession 0001410578-24-001463.Report this figure36.8Current portion of debt, Q3 FY2024, at 2024-09-30$36.8m. XBRL concept us-gaap:LongTermDebtCurrent. 10-Q filed 2024-11-14, accession 0000950170-24-127082.Report this figure37.6Current portion of debt, FY2024, at 2024-12-31$37.6m. XBRL concept us-gaap:LongTermDebtCurrent. 10-K filed 2026-03-25, accession 0001193125-26-124183.Report this figure50.2Current portion of debt, Q1 FY2025, at 2025-03-31$50.2m. XBRL concept us-gaap:LongTermDebtCurrent. 10-Q filed 2025-05-14, accession 0000950170-25-071424.Report this figure51.8Current portion of debt, Q2 FY2025, at 2025-06-30$51.8m. XBRL concept us-gaap:LongTermDebtCurrent. 10-Q filed 2025-08-12, accession 0001851961-25-000010.Report this figure64.7Current portion of debt, Q3 FY2025, at 2025-09-30$64.7m. XBRL concept us-gaap:LongTermDebtCurrent. 10-Q filed 2025-11-12, accession 0001193125-25-277777.Report this figure56.6Current portion of debt, FY2025, at 2025-12-31$56.6m. XBRL concept us-gaap:LongTermDebtCurrent. 10-K filed 2026-03-25, accession 0001193125-26-124183.Report this figurenot reportednot reported
Shareholders' equity$m(106)Shareholders' equity, Q3 FY2023, at 2023-09-30−$105.7m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2024-11-14, accession 0000950170-24-127082.Report this figure(115)Shareholders' equity, FY2023, at 2023-12-31−$115.4m. XBRL concept us-gaap:StockholdersEquity. 10-K filed 2026-03-25, accession 0001193125-26-124183.Report this figure(62.4)Shareholders' equity, Q1 FY2024, at 2024-03-31−$62.4m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2025-11-12, accession 0001193125-25-277777.Report this figure(58.3)Shareholders' equity, Q2 FY2024, at 2024-06-30−$58.3m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2025-11-12, accession 0001193125-25-277777.Report this figure(58.3)Shareholders' equity, Q3 FY2024, at 2024-09-30−$58.3m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2025-11-12, accession 0001193125-25-277777.Report this figure(59.3)Shareholders' equity, FY2024, at 2024-12-31−$59.3m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-08-10, accession 0001193125-26-342564.Report this figure(65.6)Shareholders' equity, Q1 FY2025, at 2025-03-31−$65.6m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-08-10, accession 0001193125-26-342564.Report this figure(70.0)Shareholders' equity, Q2 FY2025, at 2025-06-30−$70.0m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-08-10, accession 0001193125-26-342564.Report this figure(80.1)Shareholders' equity, Q3 FY2025, at 2025-09-30−$80.1m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2025-11-12, accession 0001193125-25-277777.Report this figure(83.3)Shareholders' equity, FY2025, at 2025-12-31−$83.3m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-08-10, accession 0001193125-26-342564.Report this figure(73.9)Shareholders' equity, Q1 FY2026, at 2026-03-31−$73.9m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-08-10, accession 0001193125-26-342564.Report this figure(52.0)Shareholders' equity, Q2 FY2026, at 2026-06-30−$52.0m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-08-10, accession 0001193125-26-342564.Report this figure

Cash flow

Operating cash flow−$16.6m, Q2 FY2026
Capital expenditure$321.0k, Q2 FY2026
Share repurchases$1.1m, Q4 FY2023
GCT Semiconductor Holding, Inc., cash flow, quarterly
Line itemUnitQ3 FY20232023-09-30Q4 FY20232023-12-31Q1 FY20242024-03-31Q2 FY20242024-06-30Q3 FY20242024-09-30Q4 FY20242024-12-31Q1 FY20252025-03-31Q2 FY20252025-06-30Q3 FY20252025-09-30Q4 FY20252025-12-31Q1 FY20262026-03-31Q2 FY20262026-06-30
Operating cash flow$m(1.5)Operating cash flow, Q3 FY2023, three months to 2023-09-30−$1.5m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2024-11-14, accession 0000950170-24-127082. Derived: 9-month figure less the 6-month figure.Report this figure(0.9)Operating cash flow, Q4 FY2023, three months to 2023-12-31−$907.0k. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2025-03-25, accession 0000950170-25-044438. Derived: 12-month figure less the 9-month figure.Report this figure(14.4)Operating cash flow, Q1 FY2024, three months to 2024-03-31−$14.4m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2025-05-14, accession 0000950170-25-071424.Report this figure(9.6)Operating cash flow, Q2 FY2024, three months to 2024-06-30−$9.6m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2025-08-12, accession 0001851961-25-000010. Derived: 6-month figure less the 3-month figure.Report this figure(4.6)Operating cash flow, Q3 FY2024, three months to 2024-09-30−$4.6m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2025-11-12, accession 0001193125-25-277777. Derived: 9-month figure less the 6-month figure.Report this figure(2.3)Operating cash flow, Q4 FY2024, three months to 2024-12-31−$2.3m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2026-03-25, accession 0001193125-26-124183. Derived: 12-month figure less the 9-month figure.Report this figure(8.0)Operating cash flow, Q1 FY2025, three months to 2025-03-31−$8.0m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-05-12, accession 0001193125-26-219536.Report this figure(8.6)Operating cash flow, Q2 FY2025, three months to 2025-06-30−$8.6m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-08-10, accession 0001193125-26-342564. Derived: 6-month figure less the 3-month figure.Report this figure(6.9)Operating cash flow, Q3 FY2025, three months to 2025-09-30−$6.9m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2025-11-12, accession 0001193125-25-277777. Derived: 9-month figure less the 6-month figure.Report this figure(7.2)Operating cash flow, Q4 FY2025, three months to 2025-12-31−$7.2m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2026-03-25, accession 0001193125-26-124183. Derived: 12-month figure less the 9-month figure.Report this figure(7.4)Operating cash flow, Q1 FY2026, three months to 2026-03-31−$7.4m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-05-12, accession 0001193125-26-219536.Report this figure(16.6)Operating cash flow, Q2 FY2026, three months to 2026-06-30−$16.6m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-08-10, accession 0001193125-26-342564. Derived: 6-month figure less the 3-month figure.Report this figure
Capital expenditure$m0.1Capital expenditure, Q3 FY2023, three months to 2023-09-30$62.0k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2024-11-14, accession 0000950170-24-127082. Derived: 9-month figure less the 6-month figure.Report this figure0.0Capital expenditure, Q4 FY2023, three months to 2023-12-31$47.0k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2025-03-25, accession 0000950170-25-044438. Derived: 12-month figure less the 9-month figure.Report this figurenot reportednot reported0.1Capital expenditure, Q3 FY2024, three months to 2024-09-30$54.0k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2025-11-12, accession 0001193125-25-277777. Derived: 9-month figure less the 6-month figure.Report this figure0.4Capital expenditure, Q4 FY2024, three months to 2024-12-31$357.0k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2026-03-25, accession 0001193125-26-124183. Derived: 12-month figure less the 9-month figure.Report this figure0.1Capital expenditure, Q1 FY2025, three months to 2025-03-31$118.0k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-05-12, accession 0001193125-26-219536.Report this figure0.1Capital expenditure, Q2 FY2025, three months to 2025-06-30$91.0k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-08-10, accession 0001193125-26-342564. Derived: 6-month figure less the 3-month figure.Report this figure0.9Capital expenditure, Q3 FY2025, three months to 2025-09-30$934.0k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2025-11-12, accession 0001193125-25-277777. Derived: 9-month figure less the 6-month figure.Report this figure1.3Capital expenditure, Q4 FY2025, three months to 2025-12-31$1.3m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2026-03-25, accession 0001193125-26-124183. Derived: 12-month figure less the 9-month figure.Report this figure0.1Capital expenditure, Q1 FY2026, three months to 2026-03-31$65.0k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-05-12, accession 0001193125-26-219536.Report this figure0.3Capital expenditure, Q2 FY2026, three months to 2026-06-30$321.0k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-08-10, accession 0001193125-26-342564. Derived: 6-month figure less the 3-month figure.Report this figure
Share repurchases$m0.0Share repurchases, Q3 FY2023, three months to 2023-09-30$0. XBRL concept us-gaap:PaymentsForRepurchaseOfCommonStock. 10-Q filed 2023-11-14, accession 0001410578-23-002439. Derived: 9-month figure less the 6-month figure.Report this figure1.1Share repurchases, Q4 FY2023, three months to 2023-12-31$1.1m. XBRL concept us-gaap:PaymentsForRepurchaseOfCommonStock. 10-K filed 2024-03-08, accession 0001410578-24-000166. Derived: 12-month figure less the 9-month figure.Report this figurenot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reported

Shares

Diluted shares (weighted)82.56m, Q2 FY2026
GCT Semiconductor Holding, Inc., shares, quarterly
Line itemUnitQ3 FY20222021-09-30Q1 FY20232023-03-31Q2 FY20232023-06-30Q3 FY20232023-09-30Q1 FY20242024-03-31Q2 FY20242024-06-30Q3 FY20242024-09-30Q1 FY20252025-03-31Q2 FY20252025-06-30Q3 FY20252025-09-30Q1 FY20262026-03-31Q2 FY20262026-06-30
Diluted shares (weighted)m shares7.5Diluted shares (weighted), Q3 FY2022, three months to 2021-09-307,500,000 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2021-12-16, accession 0001410578-21-000544.Report this figure23.9Diluted shares (weighted), Q1 FY2023, three months to 2023-03-3123,862,000 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2024-05-14, accession 0001410578-24-000825.Report this figure23.9Diluted shares (weighted), Q2 FY2023, three months to 2023-06-3023,883,000 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2024-08-14, accession 0001410578-24-001463.Report this figure24.1Diluted shares (weighted), Q3 FY2023, three months to 2023-09-3024,055,000 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2024-11-14, accession 0000950170-24-127082.Report this figure26.3Diluted shares (weighted), Q1 FY2024, three months to 2024-03-3126,257,000 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2025-05-14, accession 0000950170-25-071424.Report this figure44.1Diluted shares (weighted), Q2 FY2024, three months to 2024-06-3044,060,000 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2025-08-12, accession 0001851961-25-000010.Report this figure45.6Diluted shares (weighted), Q3 FY2024, three months to 2024-09-3045,645,000 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2025-11-12, accession 0001193125-25-277777.Report this figure47.6Diluted shares (weighted), Q1 FY2025, three months to 2025-03-3147,606,000 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2026-05-12, accession 0001193125-26-219536.Report this figure51.7Diluted shares (weighted), Q2 FY2025, three months to 2025-06-3051,703,000 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2026-08-10, accession 0001193125-26-342564.Report this figure55.5Diluted shares (weighted), Q3 FY2025, three months to 2025-09-3055,462,000 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2025-11-12, accession 0001193125-25-277777.Report this figure66.1Diluted shares (weighted), Q1 FY2026, three months to 2026-03-3166,070,000 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2026-05-12, accession 0001193125-26-219536.Report this figure82.6Diluted shares (weighted), Q2 FY2026, three months to 2026-06-3082,556,000 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2026-08-10, accession 0001193125-26-342564.Report this figure

Shares outstanding: 91.97mShares outstanding, period not labelled, at 2026-08-0691,969,726 shares. XBRL concept dei:EntityCommonStockSharesOutstanding. 10-Q filed 2026-08-10, accession 0001193125-26-342564.Report this figure at Aug 6, 2026, from the cover of the 10-Q filed Aug 10, 2026.

Source: SEC EDGAR, XBRL company facts. Last ingested by Listed: Oct 24, 2026, 15:49 ET. Listed shows no prices and gives no investment advice.