Listed

Allegro Microsystems, Inc.

ALGMNasdaqCIK 866291TechnologyFiscal year ends Mar 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$259.2m, Q1 FY2027
Operating income$25.5m, Q1 FY2027
Net income$15.9m, Q1 FY2027
Allegro Microsystems, Inc., income statement, quarterly
Line itemUnitQ2 FY20242023-09-29Q3 FY20242023-12-29Q4 FY20242024-03-29Q1 FY20252024-06-28Q2 FY20252024-09-27Q3 FY20252024-12-27Q4 FY20252025-03-28Q1 FY20262025-06-27Q2 FY20262025-09-26Q3 FY20262025-12-26Q4 FY20262026-03-27Q1 FY20272026-06-26
Revenue$m276Revenue, Q2 FY2024, three months to 2023-09-29$275.5m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2024-11-01, accession 0000950170-24-119808.Report this figure255Revenue, Q3 FY2024, three months to 2023-12-29$255.0m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2025-01-31, accession 0000950170-25-011434.Report this figure241Revenue, Q4 FY2024, three months to 2024-03-29$240.6m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2026-05-21, accession 0001193125-26-233537. Derived: 12-month figure less the 9-month figure.Report this figure167Revenue, Q1 FY2025, three months to 2024-06-28$166.9m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2025-08-01, accession 0000950170-25-101117.Report this figure187Revenue, Q2 FY2025, three months to 2024-09-27$187.4m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2025-10-31, accession 0001193125-25-259807.Report this figure178Revenue, Q3 FY2025, three months to 2024-12-27$177.9m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-01-30, accession 0001193125-26-030636.Report this figure193Revenue, Q4 FY2025, three months to 2025-03-28$192.8m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2025-08-01, accession 0000950170-25-101117.Report this figure203Revenue, Q1 FY2026, three months to 2025-06-27$203.4m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-07-31, accession 0001193125-26-327128.Report this figure214Revenue, Q2 FY2026, three months to 2025-09-26$214.3m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2025-10-31, accession 0001193125-25-259807.Report this figure229Revenue, Q3 FY2026, three months to 2025-12-26$229.2m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-01-30, accession 0001193125-26-030636.Report this figure243Revenue, Q4 FY2026, three months to 2026-03-27$243.2m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2026-05-21, accession 0001193125-26-233537. Derived: 12-month figure less the 9-month figure.Report this figure259Revenue, Q1 FY2027, three months to 2026-06-26$259.2m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-07-31, accession 0001193125-26-327128.Report this figure
Cost of revenue$m114Cost of revenue, Q2 FY2024, three months to 2023-09-29$114.1m. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-Q filed 2024-11-01, accession 0000950170-24-119808.Report this figure121Cost of revenue, Q3 FY2024, three months to 2023-12-29$121.2m. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-Q filed 2025-01-31, accession 0000950170-25-011434.Report this figure117Cost of revenue, Q4 FY2024, three months to 2024-03-29$117.3m. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-K filed 2026-05-21, accession 0001193125-26-233537. Derived: 12-month figure less the 9-month figure.Report this figure92.1Cost of revenue, Q1 FY2025, three months to 2024-06-28$92.1m. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-Q filed 2025-08-01, accession 0000950170-25-101117.Report this figure102Cost of revenue, Q2 FY2025, three months to 2024-09-27$101.7m. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-Q filed 2025-10-31, accession 0001193125-25-259807.Report this figure96.7Cost of revenue, Q3 FY2025, three months to 2024-12-27$96.7m. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-Q filed 2026-01-30, accession 0001193125-26-030636.Report this figure113Cost of revenue, Q4 FY2025, three months to 2025-03-28$112.9m. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-K filed 2026-05-21, accession 0001193125-26-233537. Derived: 12-month figure less the 9-month figure.Report this figure112Cost of revenue, Q1 FY2026, three months to 2025-06-27$112.1m. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-Q filed 2026-07-31, accession 0001193125-26-327128.Report this figure115Cost of revenue, Q2 FY2026, three months to 2025-09-26$115.0m. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-Q filed 2025-10-31, accession 0001193125-25-259807.Report this figure122Cost of revenue, Q3 FY2026, three months to 2025-12-26$122.1m. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-Q filed 2026-01-30, accession 0001193125-26-030636.Report this figure129Cost of revenue, Q4 FY2026, three months to 2026-03-27$128.9m. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-K filed 2026-05-21, accession 0001193125-26-233537. Derived: 12-month figure less the 9-month figure.Report this figure134Cost of revenue, Q1 FY2027, three months to 2026-06-26$133.6m. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-Q filed 2026-07-31, accession 0001193125-26-327128.Report this figure
Gross profit$m160Gross profit, Q2 FY2024, three months to 2023-09-29$159.5m. XBRL concept us-gaap:GrossProfit. 10-Q filed 2024-11-01, accession 0000950170-24-119808.Report this figure134Gross profit, Q3 FY2024, three months to 2023-12-29$133.8m. XBRL concept us-gaap:GrossProfit. 10-Q filed 2025-01-31, accession 0000950170-25-011434.Report this figure123Gross profit, Q4 FY2024, three months to 2024-03-29$123.2m. XBRL concept us-gaap:GrossProfit. 10-K filed 2026-05-21, accession 0001193125-26-233537. Derived: 12-month figure less the 9-month figure.Report this figure74.8Gross profit, Q1 FY2025, three months to 2024-06-28$74.8m. XBRL concept us-gaap:GrossProfit. 10-Q filed 2025-08-01, accession 0000950170-25-101117.Report this figure85.7Gross profit, Q2 FY2025, three months to 2024-09-27$85.7m. XBRL concept us-gaap:GrossProfit. 10-Q filed 2025-10-31, accession 0001193125-25-259807.Report this figure81.2Gross profit, Q3 FY2025, three months to 2024-12-27$81.2m. XBRL concept us-gaap:GrossProfit. 10-Q filed 2026-01-30, accession 0001193125-26-030636.Report this figure79.9Gross profit, Q4 FY2025, three months to 2025-03-28$79.9m. XBRL concept us-gaap:GrossProfit. 10-K filed 2026-05-21, accession 0001193125-26-233537. Derived: 12-month figure less the 9-month figure.Report this figure91.3Gross profit, Q1 FY2026, three months to 2025-06-27$91.3m. XBRL concept us-gaap:GrossProfit. 10-Q filed 2026-07-31, accession 0001193125-26-327128.Report this figure99.3Gross profit, Q2 FY2026, three months to 2025-09-26$99.3m. XBRL concept us-gaap:GrossProfit. 10-Q filed 2025-10-31, accession 0001193125-25-259807.Report this figure107Gross profit, Q3 FY2026, three months to 2025-12-26$107.1m. XBRL concept us-gaap:GrossProfit. 10-Q filed 2026-01-30, accession 0001193125-26-030636.Report this figure114Gross profit, Q4 FY2026, three months to 2026-03-27$114.3m. XBRL concept us-gaap:GrossProfit. 10-K filed 2026-05-21, accession 0001193125-26-233537. Derived: 12-month figure less the 9-month figure.Report this figure126Gross profit, Q1 FY2027, three months to 2026-06-26$125.6m. XBRL concept us-gaap:GrossProfit. 10-Q filed 2026-07-31, accession 0001193125-26-327128.Report this figure
Research and development$m43.4Research and development, Q2 FY2024, three months to 2023-09-29$43.4m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2024-11-01, accession 0000950170-24-119808.Report this figure44.4Research and development, Q3 FY2024, three months to 2023-12-29$44.4m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2025-01-31, accession 0000950170-25-011434.Report this figure45.8Research and development, Q4 FY2024, three months to 2024-03-29$45.8m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-K filed 2026-05-21, accession 0001193125-26-233537. Derived: 12-month figure less the 9-month figure.Report this figure45.2Research and development, Q1 FY2025, three months to 2024-06-28$45.2m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2025-08-01, accession 0000950170-25-101117.Report this figure43.5Research and development, Q2 FY2025, three months to 2024-09-27$43.5m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2025-10-31, accession 0001193125-25-259807.Report this figure43.3Research and development, Q3 FY2025, three months to 2024-12-27$43.3m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2026-01-30, accession 0001193125-26-030636.Report this figure47.6Research and development, Q4 FY2025, three months to 2025-03-28$47.6m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-K filed 2026-05-21, accession 0001193125-26-233537. Derived: 12-month figure less the 9-month figure.Report this figure46.5Research and development, Q1 FY2026, three months to 2025-06-27$46.5m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2026-07-31, accession 0001193125-26-327128.Report this figure50.9Research and development, Q2 FY2026, three months to 2025-09-26$50.9m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2025-10-31, accession 0001193125-25-259807.Report this figure52.9Research and development, Q3 FY2026, three months to 2025-12-26$52.9m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2026-01-30, accession 0001193125-26-030636.Report this figure55.5Research and development, Q4 FY2026, three months to 2026-03-27$55.5m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-K filed 2026-05-21, accession 0001193125-26-233537. Derived: 12-month figure less the 9-month figure.Report this figure55.2Research and development, Q1 FY2027, three months to 2026-06-26$55.2m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2026-07-31, accession 0001193125-26-327128.Report this figure
Selling, general and administrative$m43.2Selling, general and administrative, Q2 FY2024, three months to 2023-09-29$43.2m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-Q filed 2024-11-01, accession 0000950170-24-119808.Report this figure52.7Selling, general and administrative, Q3 FY2024, three months to 2023-12-29$52.7m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-Q filed 2025-01-31, accession 0000950170-25-011434.Report this figure48.3Selling, general and administrative, Q4 FY2024, three months to 2024-03-29$48.3m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-K filed 2026-05-21, accession 0001193125-26-233537. Derived: 12-month figure less the 9-month figure.Report this figure40.2Selling, general and administrative, Q1 FY2025, three months to 2024-06-28$40.2m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-Q filed 2025-08-01, accession 0000950170-25-101117.Report this figure38.1Selling, general and administrative, Q2 FY2025, three months to 2024-09-27$38.1m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-Q filed 2025-10-31, accession 0001193125-25-259807.Report this figure37.9Selling, general and administrative, Q3 FY2025, three months to 2024-12-27$37.9m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-Q filed 2026-01-30, accession 0001193125-26-030636.Report this figure45.5Selling, general and administrative, Q4 FY2025, three months to 2025-03-28$45.5m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-K filed 2026-05-21, accession 0001193125-26-233537. Derived: 12-month figure less the 9-month figure.Report this figure47.5Selling, general and administrative, Q1 FY2026, three months to 2025-06-27$47.5m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-Q filed 2026-07-31, accession 0001193125-26-327128.Report this figure42.2Selling, general and administrative, Q2 FY2026, three months to 2025-09-26$42.2m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-Q filed 2025-10-31, accession 0001193125-25-259807.Report this figure44.6Selling, general and administrative, Q3 FY2026, three months to 2025-12-26$44.6m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-Q filed 2026-01-30, accession 0001193125-26-030636.Report this figure46.7Selling, general and administrative, Q4 FY2026, three months to 2026-03-27$46.7m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-K filed 2026-05-21, accession 0001193125-26-233537. Derived: 12-month figure less the 9-month figure.Report this figure45.0Selling, general and administrative, Q1 FY2027, three months to 2026-06-26$45.0m. XBRL concept us-gaap:SellingGeneralAndAdministrativeExpense. 10-Q filed 2026-07-31, accession 0001193125-26-327128.Report this figure
Operating income$m72.9Operating income, Q2 FY2024, three months to 2023-09-29$72.9m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2024-11-01, accession 0000950170-24-119808.Report this figure36.7Operating income, Q3 FY2024, three months to 2023-12-29$36.7m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2025-01-31, accession 0000950170-25-011434.Report this figure15.9Operating income, Q4 FY2024, three months to 2024-03-29$15.9m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2026-05-21, accession 0001193125-26-233537. Derived: 12-month figure less the 9-month figure.Report this figure(10.6)Operating income, Q1 FY2025, three months to 2024-06-28−$10.6m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2025-08-01, accession 0000950170-25-101117.Report this figure4.1Operating income, Q2 FY2025, three months to 2024-09-27$4.1m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2025-10-31, accession 0001193125-25-259807.Report this figure(0.0)Operating income, Q3 FY2025, three months to 2024-12-27−$41.0k. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-01-30, accession 0001193125-26-030636.Report this figure(13.2)Operating income, Q4 FY2025, three months to 2025-03-28−$13.2m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2026-05-21, accession 0001193125-26-233537. Derived: 12-month figure less the 9-month figure.Report this figure(2.7)Operating income, Q1 FY2026, three months to 2025-06-27−$2.7m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-07-31, accession 0001193125-26-327128.Report this figure6.2Operating income, Q2 FY2026, three months to 2025-09-26$6.2m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2025-10-31, accession 0001193125-25-259807.Report this figure9.6Operating income, Q3 FY2026, three months to 2025-12-26$9.6m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-01-30, accession 0001193125-26-030636.Report this figure5.4Operating income, Q4 FY2026, three months to 2026-03-27$5.4m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2026-05-21, accession 0001193125-26-233537. Derived: 12-month figure less the 9-month figure.Report this figure25.5Operating income, Q1 FY2027, three months to 2026-06-26$25.5m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-07-31, accession 0001193125-26-327128.Report this figure
Interest expense$m0.8Interest expense, Q2 FY2024, three months to 2023-09-29$758.0k. XBRL concept us-gaap:InterestExpense. 10-Q filed 2024-11-01, accession 0000950170-24-119808.Report this figure3.9Interest expense, Q3 FY2024, three months to 2023-12-29$3.9m. XBRL concept us-gaap:InterestExpense. 10-Q filed 2025-01-31, accession 0000950170-25-011434.Report this figure5.4Interest expense, Q4 FY2024, three months to 2024-03-29$5.4m. XBRL concept us-gaap:InterestExpense. 10-K filed 2026-05-21, accession 0001193125-26-233537. Derived: 12-month figure less the 9-month figure.Report this figure5.4Interest expense, Q1 FY2025, three months to 2024-06-28$5.4m. XBRL concept us-gaap:InterestExpense. 10-Q filed 2025-08-01, accession 0000950170-25-101117.Report this figure10.4Interest expense, Q2 FY2025, three months to 2024-09-27$10.4m. XBRL concept us-gaap:InterestExpense. 10-Q filed 2025-10-31, accession 0001193125-25-259807.Report this figure7.8Interest expense, Q3 FY2025, three months to 2024-12-27$7.8m. XBRL concept us-gaap:InterestExpense. 10-Q filed 2026-01-30, accession 0001193125-26-030636.Report this figure6.9Interest expense, Q4 FY2025, three months to 2025-03-28$6.9m. XBRL concept us-gaap:InterestExpense. 10-K filed 2026-05-21, accession 0001193125-26-233537. Derived: 12-month figure less the 9-month figure.Report this figure6.4Interest expense, Q1 FY2026, three months to 2025-06-27$6.4m. XBRL concept us-gaap:InterestExpense. 10-Q filed 2026-07-31, accession 0001193125-26-327128.Report this figure5.7Interest expense, Q2 FY2026, three months to 2025-09-26$5.7m. XBRL concept us-gaap:InterestExpense. 10-Q filed 2025-10-31, accession 0001193125-25-259807.Report this figure4.9Interest expense, Q3 FY2026, three months to 2025-12-26$4.9m. XBRL concept us-gaap:InterestExpense. 10-Q filed 2026-01-30, accession 0001193125-26-030636.Report this figure5.1Interest expense, Q4 FY2026, three months to 2026-03-27$5.1m. XBRL concept us-gaap:InterestExpense. 10-K filed 2026-05-21, accession 0001193125-26-233537. Derived: 12-month figure less the 9-month figure.Report this figure4.4Interest expense, Q1 FY2027, three months to 2026-06-26$4.4m. XBRL concept us-gaap:InterestExpense. 10-Q filed 2026-07-31, accession 0001193125-26-327128.Report this figure
Income tax$m7.4Income tax, Q2 FY2024, three months to 2023-09-29$7.4m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2024-11-01, accession 0000950170-24-119808.Report this figure3.0Income tax, Q3 FY2024, three months to 2023-12-29$3.0m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2025-01-31, accession 0000950170-25-011434.Report this figure24.3Income tax, Q4 FY2024, three months to 2024-03-29$24.3m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-K filed 2026-05-21, accession 0001193125-26-233537. Derived: 12-month figure less the 9-month figure.Report this figure1.0Income tax, Q1 FY2025, three months to 2024-06-28$1.0m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2025-08-01, accession 0000950170-25-101117.Report this figure(9.5)Income tax, Q2 FY2025, three months to 2024-09-27−$9.5m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2025-10-31, accession 0001193125-25-259807.Report this figure(0.8)Income tax, Q3 FY2025, three months to 2024-12-27−$803.0k. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2026-01-30, accession 0001193125-26-030636.Report this figure(3.7)Income tax, Q4 FY2025, three months to 2025-03-28−$3.7m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-K filed 2026-05-21, accession 0001193125-26-233537. Derived: 12-month figure less the 9-month figure.Report this figure3.2Income tax, Q1 FY2026, three months to 2025-06-27$3.2m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2026-07-31, accession 0001193125-26-327128.Report this figure(9.3)Income tax, Q2 FY2026, three months to 2025-09-26−$9.3m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2025-10-31, accession 0001193125-25-259807.Report this figure(7.9)Income tax, Q3 FY2026, three months to 2025-12-26−$7.9m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2026-01-30, accession 0001193125-26-030636.Report this figure13.7Income tax, Q4 FY2026, three months to 2026-03-27$13.7m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-K filed 2026-05-21, accession 0001193125-26-233537. Derived: 12-month figure less the 9-month figure.Report this figure1.5Income tax, Q1 FY2027, three months to 2026-06-26$1.5m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2026-07-31, accession 0001193125-26-327128.Report this figure
Net income$m65.6Net income, Q2 FY2024, three months to 2023-09-29$65.6m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2024-11-01, accession 0000950170-24-119808.Report this figure33.3Net income, Q3 FY2024, three months to 2023-12-29$33.3m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2025-01-31, accession 0000950170-25-011434.Report this figure(7.1)Net income, Q4 FY2024, three months to 2024-03-29−$7.1m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2026-05-21, accession 0001193125-26-233537. Derived: 12-month figure less the 9-month figure.Report this figure(17.7)Net income, Q1 FY2025, three months to 2024-06-28−$17.7m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2025-08-01, accession 0000950170-25-101117.Report this figure(33.7)Net income, Q2 FY2025, three months to 2024-09-27−$33.7m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2025-10-31, accession 0001193125-25-259807.Report this figure(6.9)Net income, Q3 FY2025, three months to 2024-12-27−$6.9m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-01-30, accession 0001193125-26-030636.Report this figure(14.8)Net income, Q4 FY2025, three months to 2025-03-28−$14.8m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2026-05-21, accession 0001193125-26-233537. Derived: 12-month figure less the 9-month figure.Report this figure(13.2)Net income, Q1 FY2026, three months to 2025-06-27−$13.2m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-07-31, accession 0001193125-26-327128.Report this figure6.5Net income, Q2 FY2026, three months to 2025-09-26$6.5m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2025-10-31, accession 0001193125-25-259807.Report this figure8.3Net income, Q3 FY2026, three months to 2025-12-26$8.3m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-01-30, accession 0001193125-26-030636.Report this figure(16.5)Net income, Q4 FY2026, three months to 2026-03-27−$16.5m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2026-05-21, accession 0001193125-26-233537. Derived: 12-month figure less the 9-month figure.Report this figure15.9Net income, Q1 FY2027, three months to 2026-06-26$15.9m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-07-31, accession 0001193125-26-327128.Report this figure
Diluted EPS$ per share0.34Diluted EPS, Q2 FY2024, three months to 2023-09-29$0.34 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2024-11-01, accession 0000950170-24-119808.Report this figure0.17Diluted EPS, Q3 FY2024, three months to 2023-12-29$0.17 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2025-01-31, accession 0000950170-25-011434.Report this figurenot reported(0.09)Diluted EPS, Q1 FY2025, three months to 2024-06-28−$0.09 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2025-08-01, accession 0000950170-25-101117.Report this figure(0.18)Diluted EPS, Q2 FY2025, three months to 2024-09-27−$0.18 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2025-10-31, accession 0001193125-25-259807.Report this figure(0.04)Diluted EPS, Q3 FY2025, three months to 2024-12-27−$0.04 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-01-30, accession 0001193125-26-030636.Report this figurenot reported(0.07)Diluted EPS, Q1 FY2026, three months to 2025-06-27−$0.07 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-07-31, accession 0001193125-26-327128.Report this figure0.03Diluted EPS, Q2 FY2026, three months to 2025-09-26$0.03 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2025-10-31, accession 0001193125-25-259807.Report this figure0.04Diluted EPS, Q3 FY2026, three months to 2025-12-26$0.04 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-01-30, accession 0001193125-26-030636.Report this figurenot reported0.08Diluted EPS, Q1 FY2027, three months to 2026-06-26$0.08 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-07-31, accession 0001193125-26-327128.Report this figure
Basic EPS$ per share0.34Basic EPS, Q2 FY2024, three months to 2023-09-29$0.34 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2024-11-01, accession 0000950170-24-119808.Report this figure0.17Basic EPS, Q3 FY2024, three months to 2023-12-29$0.17 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2025-01-31, accession 0000950170-25-011434.Report this figurenot reported(0.09)Basic EPS, Q1 FY2025, three months to 2024-06-28−$0.09 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2025-08-01, accession 0000950170-25-101117.Report this figure(0.18)Basic EPS, Q2 FY2025, three months to 2024-09-27−$0.18 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2025-10-31, accession 0001193125-25-259807.Report this figure(0.04)Basic EPS, Q3 FY2025, three months to 2024-12-27−$0.04 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2026-01-30, accession 0001193125-26-030636.Report this figurenot reported(0.07)Basic EPS, Q1 FY2026, three months to 2025-06-27−$0.07 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2026-07-31, accession 0001193125-26-327128.Report this figure0.04Basic EPS, Q2 FY2026, three months to 2025-09-26$0.04 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2025-10-31, accession 0001193125-25-259807.Report this figure0.04Basic EPS, Q3 FY2026, three months to 2025-12-26$0.04 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2026-01-30, accession 0001193125-26-030636.Report this figurenot reported0.09Basic EPS, Q1 FY2027, three months to 2026-06-26$0.09 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2026-07-31, accession 0001193125-26-327128.Report this figure

Balance sheet

Cash and equivalents$162.0m, Q1 FY2027
Long-term debt$285.7m, Q1 FY2027
Shareholders' equity$964.3m, Q1 FY2027
Allegro Microsystems, Inc., balance sheet, quarterly
Line itemUnitQ2 FY20242023-09-29Q3 FY20242023-12-29FY20242024-03-29Q1 FY20252024-06-28Q2 FY20252024-09-27Q3 FY20252024-12-27FY20252025-03-28Q1 FY20262025-06-27Q2 FY20262025-09-26Q3 FY20262025-12-26FY20262026-03-27Q1 FY20272026-06-26
Cash and equivalents$m370Cash and equivalents, Q2 FY2024, at 2023-09-29$370.0m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2023-11-06, accession 0000950170-23-059019.Report this figure214Cash and equivalents, Q3 FY2024, at 2023-12-29$214.3m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2024-02-06, accession 0000950170-24-011712.Report this figure212Cash and equivalents, FY2024, at 2024-03-29$212.1m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-K filed 2026-05-21, accession 0001193125-26-233537.Report this figure173Cash and equivalents, Q1 FY2025, at 2024-06-28$173.1m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2024-08-02, accession 0000950170-24-089610.Report this figure189Cash and equivalents, Q2 FY2025, at 2024-09-27$188.8m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2024-11-01, accession 0000950170-24-119808.Report this figure138Cash and equivalents, Q3 FY2025, at 2024-12-27$138.5m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2025-01-31, accession 0000950170-25-011434.Report this figure121Cash and equivalents, FY2025, at 2025-03-28$121.3m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-K filed 2026-05-21, accession 0001193125-26-233537.Report this figure129Cash and equivalents, Q1 FY2026, at 2025-06-27$129.1m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2025-08-01, accession 0000950170-25-101117.Report this figure117Cash and equivalents, Q2 FY2026, at 2025-09-26$117.5m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2025-10-31, accession 0001193125-25-259807.Report this figure155Cash and equivalents, Q3 FY2026, at 2025-12-26$155.2m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2026-01-30, accession 0001193125-26-030636.Report this figure169Cash and equivalents, FY2026, at 2026-03-27$168.8m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2026-07-31, accession 0001193125-26-327128.Report this figure162Cash and equivalents, Q1 FY2027, at 2026-06-26$162.0m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2026-07-31, accession 0001193125-26-327128.Report this figure
Current assets$m715Current assets, Q2 FY2024, at 2023-09-29$714.9m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2023-11-06, accession 0000950170-23-059019.Report this figure549Current assets, Q3 FY2024, at 2023-12-29$549.5m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2024-02-06, accession 0000950170-24-011712.Report this figure572Current assets, FY2024, at 2024-03-29$572.2m. XBRL concept us-gaap:AssetsCurrent. 10-K filed 2025-05-22, accession 0000950170-25-076059.Report this figure490Current assets, Q1 FY2025, at 2024-06-28$490.3m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2024-08-02, accession 0000950170-24-089610.Report this figure524Current assets, Q2 FY2025, at 2024-09-27$523.6m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2024-11-01, accession 0000950170-24-119808.Report this figure496Current assets, Q3 FY2025, at 2024-12-27$495.6m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2025-01-31, accession 0000950170-25-011434.Report this figure483Current assets, FY2025, at 2025-03-28$483.0m. XBRL concept us-gaap:AssetsCurrent. 10-K filed 2026-05-21, accession 0001193125-26-233537.Report this figure447Current assets, Q1 FY2026, at 2025-06-27$447.1m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2025-08-01, accession 0000950170-25-101117.Report this figure469Current assets, Q2 FY2026, at 2025-09-26$469.5m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2025-10-31, accession 0001193125-25-259807.Report this figure515Current assets, Q3 FY2026, at 2025-12-26$515.4m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2026-01-30, accession 0001193125-26-030636.Report this figure504Current assets, FY2026, at 2026-03-27$503.6m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2026-07-31, accession 0001193125-26-327128.Report this figure508Current assets, Q1 FY2027, at 2026-06-26$508.0m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2026-07-31, accession 0001193125-26-327128.Report this figure
Total assets$m1,285Total assets, Q2 FY2024, at 2023-09-29$1.28bn. XBRL concept us-gaap:Assets. 10-Q filed 2023-11-06, accession 0000950170-23-059019.Report this figure1,565Total assets, Q3 FY2024, at 2023-12-29$1.57bn. XBRL concept us-gaap:Assets. 10-Q filed 2024-02-06, accession 0000950170-24-011712.Report this figure1,531Total assets, FY2024, at 2024-03-29$1.53bn. XBRL concept us-gaap:Assets. 10-K filed 2025-05-22, accession 0000950170-25-076059.Report this figure1,449Total assets, Q1 FY2025, at 2024-06-28$1.45bn. XBRL concept us-gaap:Assets. 10-Q filed 2024-08-02, accession 0000950170-24-089610.Report this figure1,492Total assets, Q2 FY2025, at 2024-09-27$1.49bn. XBRL concept us-gaap:Assets. 10-Q filed 2024-11-01, accession 0000950170-24-119808.Report this figure1,442Total assets, Q3 FY2025, at 2024-12-27$1.44bn. XBRL concept us-gaap:Assets. 10-Q filed 2025-01-31, accession 0000950170-25-011434.Report this figure1,421Total assets, FY2025, at 2025-03-28$1.42bn. XBRL concept us-gaap:Assets. 10-K filed 2026-05-21, accession 0001193125-26-233537.Report this figure1,389Total assets, Q1 FY2026, at 2025-06-27$1.39bn. XBRL concept us-gaap:Assets. 10-Q filed 2025-08-01, accession 0000950170-25-101117.Report this figure1,384Total assets, Q2 FY2026, at 2025-09-26$1.38bn. XBRL concept us-gaap:Assets. 10-Q filed 2025-10-31, accession 0001193125-25-259807.Report this figure1,423Total assets, Q3 FY2026, at 2025-12-26$1.42bn. XBRL concept us-gaap:Assets. 10-Q filed 2026-01-30, accession 0001193125-26-030636.Report this figure1,416Total assets, FY2026, at 2026-03-27$1.42bn. XBRL concept us-gaap:Assets. 10-Q filed 2026-07-31, accession 0001193125-26-327128.Report this figure1,412Total assets, Q1 FY2027, at 2026-06-26$1.41bn. XBRL concept us-gaap:Assets. 10-Q filed 2026-07-31, accession 0001193125-26-327128.Report this figure
Current liabilities$m134Current liabilities, Q2 FY2024, at 2023-09-29$134.2m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2023-11-06, accession 0000950170-23-059019.Report this figure120Current liabilities, Q3 FY2024, at 2023-12-29$120.2m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2024-02-06, accession 0000950170-24-011712.Report this figure118Current liabilities, FY2024, at 2024-03-29$117.9m. XBRL concept us-gaap:LiabilitiesCurrent. 10-K filed 2025-05-22, accession 0000950170-25-076059.Report this figure106Current liabilities, Q1 FY2025, at 2024-06-28$105.5m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2024-08-02, accession 0000950170-24-089610.Report this figure124Current liabilities, Q2 FY2025, at 2024-09-27$124.0m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2024-11-01, accession 0000950170-24-119808.Report this figure101Current liabilities, Q3 FY2025, at 2024-12-27$100.9m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2025-01-31, accession 0000950170-25-011434.Report this figure112Current liabilities, FY2025, at 2025-03-28$112.3m. XBRL concept us-gaap:LiabilitiesCurrent. 10-K filed 2026-05-21, accession 0001193125-26-233537.Report this figure121Current liabilities, Q1 FY2026, at 2025-06-27$120.7m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2025-08-01, accession 0000950170-25-101117.Report this figure121Current liabilities, Q2 FY2026, at 2025-09-26$120.7m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2025-10-31, accession 0001193125-25-259807.Report this figure141Current liabilities, Q3 FY2026, at 2025-12-26$141.1m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2026-01-30, accession 0001193125-26-030636.Report this figure146Current liabilities, FY2026, at 2026-03-27$145.9m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2026-07-31, accession 0001193125-26-327128.Report this figure137Current liabilities, Q1 FY2027, at 2026-06-26$137.2m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2026-07-31, accession 0001193125-26-327128.Report this figure
Total liabilities$m187Total liabilities, Q2 FY2024, at 2023-09-29$186.6m. XBRL concept us-gaap:Liabilities. 10-Q filed 2023-11-06, accession 0000950170-23-059019.Report this figure430Total liabilities, Q3 FY2024, at 2023-12-29$429.8m. XBRL concept us-gaap:Liabilities. 10-Q filed 2024-02-06, accession 0000950170-24-011712.Report this figure399Total liabilities, FY2024, at 2024-03-29$398.9m. XBRL concept us-gaap:Liabilities. 10-K filed 2025-05-22, accession 0000950170-25-076059.Report this figure339Total liabilities, Q1 FY2025, at 2024-06-28$339.0m. XBRL concept us-gaap:Liabilities. 10-Q filed 2024-08-02, accession 0000950170-24-089610.Report this figure553Total liabilities, Q2 FY2025, at 2024-09-27$553.4m. XBRL concept us-gaap:Liabilities. 10-Q filed 2024-11-01, accession 0000950170-24-119808.Report this figure507Total liabilities, Q3 FY2025, at 2024-12-27$507.3m. XBRL concept us-gaap:Liabilities. 10-Q filed 2025-01-31, accession 0000950170-25-011434.Report this figure490Total liabilities, FY2025, at 2025-03-28$489.9m. XBRL concept us-gaap:Liabilities. 10-K filed 2026-05-21, accession 0001193125-26-233537.Report this figure465Total liabilities, Q1 FY2026, at 2025-06-27$465.0m. XBRL concept us-gaap:Liabilities. 10-Q filed 2025-08-01, accession 0000950170-25-101117.Report this figure438Total liabilities, Q2 FY2026, at 2025-09-26$438.5m. XBRL concept us-gaap:Liabilities. 10-Q filed 2025-10-31, accession 0001193125-25-259807.Report this figure458Total liabilities, Q3 FY2026, at 2025-12-26$458.3m. XBRL concept us-gaap:Liabilities. 10-Q filed 2026-01-30, accession 0001193125-26-030636.Report this figure460Total liabilities, FY2026, at 2026-03-27$459.7m. XBRL concept us-gaap:Liabilities. 10-Q filed 2026-07-31, accession 0001193125-26-327128.Report this figure446Total liabilities, Q1 FY2027, at 2026-06-26$446.0m. XBRL concept us-gaap:Liabilities. 10-Q filed 2026-07-31, accession 0001193125-26-327128.Report this figure
Long-term debt$mnot reported250Long-term debt, Q3 FY2024, at 2023-12-29$250.5m. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2024-02-06, accession 0000950170-24-011712.Report this figure250Long-term debt, FY2024, at 2024-03-29$249.6m. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-K filed 2025-05-22, accession 0000950170-25-076059.Report this figure203Long-term debt, Q1 FY2025, at 2024-06-28$202.6m. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2024-08-02, accession 0000950170-24-089610.Report this figure396Long-term debt, Q2 FY2025, at 2024-09-27$396.1m. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2024-11-01, accession 0000950170-24-119808.Report this figure375Long-term debt, Q3 FY2025, at 2024-12-27$374.7m. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2025-01-31, accession 0000950170-25-011434.Report this figure345Long-term debt, FY2025, at 2025-03-28$344.7m. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-K filed 2026-05-21, accession 0001193125-26-233537.Report this figure311Long-term debt, Q1 FY2026, at 2025-06-27$310.8m. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2025-08-01, accession 0000950170-25-101117.Report this figure286Long-term debt, Q2 FY2026, at 2025-09-26$286.1m. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2025-10-31, accession 0001193125-25-259807.Report this figure286Long-term debt, Q3 FY2026, at 2025-12-26$286.2m. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2026-01-30, accession 0001193125-26-030636.Report this figure286Long-term debt, FY2026, at 2026-03-27$285.7m. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2026-07-31, accession 0001193125-26-327128.Report this figure286Long-term debt, Q1 FY2027, at 2026-06-26$285.7m. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2026-07-31, accession 0001193125-26-327128.Report this figure
Current portion of debt$mnot reported4.0Current portion of debt, Q3 FY2024, at 2023-12-29$4.0m. XBRL concept us-gaap:LongTermDebtCurrent. 10-Q filed 2024-02-06, accession 0000950170-24-011712.Report this figure3.9Current portion of debt, FY2024, at 2024-03-29$3.9m. XBRL concept us-gaap:LongTermDebtCurrent. 10-K filed 2025-05-22, accession 0000950170-25-076059.Report this figure1.4Current portion of debt, Q1 FY2025, at 2024-06-28$1.4m. XBRL concept us-gaap:LongTermDebtCurrent. 10-Q filed 2024-08-02, accession 0000950170-24-089610.Report this figure5.5Current portion of debt, Q2 FY2025, at 2024-09-27$5.5m. XBRL concept us-gaap:LongTermDebtCurrent. 10-Q filed 2024-11-01, accession 0000950170-24-119808.Report this figure1.4Current portion of debt, Q3 FY2025, at 2024-12-27$1.4m. XBRL concept us-gaap:LongTermDebtCurrent. 10-Q filed 2025-01-31, accession 0000950170-25-011434.Report this figure1.4Current portion of debt, FY2025, at 2025-03-28$1.4m. XBRL concept us-gaap:LongTermDebtCurrent. 10-K filed 2026-05-21, accession 0001193125-26-233537.Report this figure1.5Current portion of debt, Q1 FY2026, at 2025-06-27$1.5m. XBRL concept us-gaap:LongTermDebtCurrent. 10-Q filed 2025-08-01, accession 0000950170-25-101117.Report this figure1.6Current portion of debt, Q2 FY2026, at 2025-09-26$1.6m. XBRL concept us-gaap:LongTermDebtCurrent. 10-Q filed 2025-10-31, accession 0001193125-25-259807.Report this figure1.6Current portion of debt, Q3 FY2026, at 2025-12-26$1.6m. XBRL concept us-gaap:LongTermDebtCurrent. 10-Q filed 2026-01-30, accession 0001193125-26-030636.Report this figure1.5Current portion of debt, FY2026, at 2026-03-27$1.5m. XBRL concept us-gaap:LongTermDebtCurrent. 10-Q filed 2026-07-31, accession 0001193125-26-327128.Report this figure1.5Current portion of debt, Q1 FY2027, at 2026-06-26$1.5m. XBRL concept us-gaap:LongTermDebtCurrent. 10-Q filed 2026-07-31, accession 0001193125-26-327128.Report this figure
Shareholders' equity$m1,097Shareholders' equity, Q2 FY2024, at 2023-09-29$1.10bn. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2023-11-06, accession 0000950170-23-059019.Report this figure1,134Shareholders' equity, Q3 FY2024, at 2023-12-29$1.13bn. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2024-02-06, accession 0000950170-24-011712.Report this figure1,130Shareholders' equity, FY2024, at 2024-03-29$1.13bn. XBRL concept us-gaap:StockholdersEquity. 10-K filed 2025-05-22, accession 0000950170-25-076059.Report this figure1,109Shareholders' equity, Q1 FY2025, at 2024-06-28$1.11bn. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2024-08-02, accession 0000950170-24-089610.Report this figure937Shareholders' equity, Q2 FY2025, at 2024-09-27$937.3m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2024-11-01, accession 0000950170-24-119808.Report this figure933Shareholders' equity, Q3 FY2025, at 2024-12-27$933.0m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2025-01-31, accession 0000950170-25-011434.Report this figure930Shareholders' equity, FY2025, at 2025-03-28$929.6m. XBRL concept us-gaap:StockholdersEquity. 10-K filed 2026-05-21, accession 0001193125-26-233537.Report this figure923Shareholders' equity, Q1 FY2026, at 2025-06-27$922.7m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2025-08-01, accession 0000950170-25-101117.Report this figure944Shareholders' equity, Q2 FY2026, at 2025-09-26$944.2m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2025-10-31, accession 0001193125-25-259807.Report this figure963Shareholders' equity, Q3 FY2026, at 2025-12-26$962.7m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-01-30, accession 0001193125-26-030636.Report this figure955Shareholders' equity, FY2026, at 2026-03-27$954.7m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-07-31, accession 0001193125-26-327128.Report this figure964Shareholders' equity, Q1 FY2027, at 2026-06-26$964.3m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-07-31, accession 0001193125-26-327128.Report this figure

Cash flow

Operating cash flow$22.0m, Q1 FY2027
Capital expenditure$8.0m, Q1 FY2027
Share repurchases$0, Q4 FY2025
Allegro Microsystems, Inc., cash flow, quarterly
Line itemUnitQ2 FY20242023-09-29Q3 FY20242023-12-29Q4 FY20242024-03-29Q1 FY20252024-06-28Q2 FY20252024-09-27Q3 FY20252024-12-27Q4 FY20252025-03-28Q1 FY20262025-06-27Q2 FY20262025-09-26Q3 FY20262025-12-26Q4 FY20262026-03-27Q1 FY20272026-06-26
Operating cash flow$m46.7Operating cash flow, Q2 FY2024, three months to 2023-09-29$46.7m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2024-11-01, accession 0000950170-24-119808. Derived: 6-month figure less the 3-month figure.Report this figure72.6Operating cash flow, Q3 FY2024, three months to 2023-12-29$72.6m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2025-01-31, accession 0000950170-25-011434. Derived: 9-month figure less the 6-month figure.Report this figure12.8Operating cash flow, Q4 FY2024, three months to 2024-03-29$12.8m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2026-05-21, accession 0001193125-26-233537. Derived: 12-month figure less the 9-month figure.Report this figure34.2Operating cash flow, Q1 FY2025, three months to 2024-06-28$34.2m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2025-08-01, accession 0000950170-25-101117.Report this figure15.5Operating cash flow, Q2 FY2025, three months to 2024-09-27$15.5m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2025-10-31, accession 0001193125-25-259807. Derived: 6-month figure less the 3-month figure.Report this figure(8.2)Operating cash flow, Q3 FY2025, three months to 2024-12-27−$8.2m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-01-30, accession 0001193125-26-030636. Derived: 9-month figure less the 6-month figure.Report this figure20.4Operating cash flow, Q4 FY2025, three months to 2025-03-28$20.4m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2026-05-21, accession 0001193125-26-233537. Derived: 12-month figure less the 9-month figure.Report this figure61.6Operating cash flow, Q1 FY2026, three months to 2025-06-27$61.6m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-07-31, accession 0001193125-26-327128.Report this figure20.4Operating cash flow, Q2 FY2026, three months to 2025-09-26$20.4m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2025-10-31, accession 0001193125-25-259807. Derived: 6-month figure less the 3-month figure.Report this figure45.4Operating cash flow, Q3 FY2026, three months to 2025-12-26$45.4m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-01-30, accession 0001193125-26-030636. Derived: 9-month figure less the 6-month figure.Report this figure35.7Operating cash flow, Q4 FY2026, three months to 2026-03-27$35.7m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2026-05-21, accession 0001193125-26-233537. Derived: 12-month figure less the 9-month figure.Report this figure22.0Operating cash flow, Q1 FY2027, three months to 2026-06-26$22.0m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-07-31, accession 0001193125-26-327128.Report this figure
Capital expenditure$m31.2Capital expenditure, Q2 FY2024, three months to 2023-09-29$31.2m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2024-11-01, accession 0000950170-24-119808. Derived: 6-month figure less the 3-month figure.Report this figure34.4Capital expenditure, Q3 FY2024, three months to 2023-12-29$34.4m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2025-01-31, accession 0000950170-25-011434. Derived: 9-month figure less the 6-month figure.Report this figure14.3Capital expenditure, Q4 FY2024, three months to 2024-03-29$14.3m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2026-05-21, accession 0001193125-26-233537. Derived: 12-month figure less the 9-month figure.Report this figure11.0Capital expenditure, Q1 FY2025, three months to 2024-06-28$11.0m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2025-08-01, accession 0000950170-25-101117.Report this figure10.0Capital expenditure, Q2 FY2025, three months to 2024-09-27$10.0m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2025-10-31, accession 0001193125-25-259807. Derived: 6-month figure less the 3-month figure.Report this figure13.6Capital expenditure, Q3 FY2025, three months to 2024-12-27$13.6m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-01-30, accession 0001193125-26-030636. Derived: 9-month figure less the 6-month figure.Report this figure5.4Capital expenditure, Q4 FY2025, three months to 2025-03-28$5.4m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2026-05-21, accession 0001193125-26-233537. Derived: 12-month figure less the 9-month figure.Report this figure10.6Capital expenditure, Q1 FY2026, three months to 2025-06-27$10.6m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-07-31, accession 0001193125-26-327128.Report this figure6.4Capital expenditure, Q2 FY2026, three months to 2025-09-26$6.4m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2025-10-31, accession 0001193125-25-259807. Derived: 6-month figure less the 3-month figure.Report this figure4.1Capital expenditure, Q3 FY2026, three months to 2025-12-26$4.1m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-01-30, accession 0001193125-26-030636. Derived: 9-month figure less the 6-month figure.Report this figure17.0Capital expenditure, Q4 FY2026, three months to 2026-03-27$17.0m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2026-05-21, accession 0001193125-26-233537. Derived: 12-month figure less the 9-month figure.Report this figure8.0Capital expenditure, Q1 FY2027, three months to 2026-06-26$8.0m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-07-31, accession 0001193125-26-327128.Report this figure
Dividends paid$mnot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reported
Share repurchases$mnot reported0.0Share repurchases, Q3 FY2024, three months to 2023-12-29$0. XBRL concept us-gaap:PaymentsForRepurchaseOfCommonStock. 10-Q filed 2025-01-31, accession 0000950170-25-011434. Derived: 9-month figure less the 6-month figure.Report this figure0.0Share repurchases, Q4 FY2024, three months to 2024-03-29$0. XBRL concept us-gaap:PaymentsForRepurchaseOfCommonStock. 10-K filed 2026-05-21, accession 0001193125-26-233537. Derived: 12-month figure less the 9-month figure.Report this figurenot reportednot reported0.1Share repurchases, Q3 FY2025, three months to 2024-12-27$116.0k. XBRL concept us-gaap:PaymentsForRepurchaseOfCommonStock. 10-Q filed 2026-01-30, accession 0001193125-26-030636. Derived: 9-month figure less the 6-month figure.Report this figure0.0Share repurchases, Q4 FY2025, three months to 2025-03-28$0. XBRL concept us-gaap:PaymentsForRepurchaseOfCommonStock. 10-K filed 2026-05-21, accession 0001193125-26-233537. Derived: 12-month figure less the 9-month figure.Report this figurenot reportednot reportednot reportednot reportednot reported

Shares

Diluted shares (weighted)187.77m, Q1 FY2027
Allegro Microsystems, Inc., shares, quarterly
Line itemUnitQ2 FY20232022-09-23Q3 FY20232022-12-23Q1 FY20242023-06-30Q2 FY20242023-09-29Q3 FY20242023-12-29Q1 FY20252024-06-28Q2 FY20252024-09-27Q3 FY20252024-12-27Q1 FY20262025-06-27Q2 FY20262025-09-26Q3 FY20262025-12-26Q1 FY20272026-06-26
Diluted shares (weighted)m shares193Diluted shares (weighted), Q2 FY2023, three months to 2022-09-23192,639,576 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2023-11-06, accession 0000950170-23-059019.Report this figure194Diluted shares (weighted), Q3 FY2023, three months to 2022-12-23193,935,908 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2024-02-06, accession 0000950170-24-011712.Report this figure195Diluted shares (weighted), Q1 FY2024, three months to 2023-06-30194,991,906 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2024-08-02, accession 0000950170-24-089610.Report this figure195Diluted shares (weighted), Q2 FY2024, three months to 2023-09-29195,100,855 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2024-11-01, accession 0000950170-24-119808.Report this figure195Diluted shares (weighted), Q3 FY2024, three months to 2023-12-29194,570,380 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2025-01-31, accession 0000950170-25-011434.Report this figure193Diluted shares (weighted), Q1 FY2025, three months to 2024-06-28193,465,708 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2025-08-01, accession 0000950170-25-101117.Report this figure189Diluted shares (weighted), Q2 FY2025, three months to 2024-09-27189,182,850 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2025-10-31, accession 0001193125-25-259807.Report this figure184Diluted shares (weighted), Q3 FY2025, three months to 2024-12-27184,011,189 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2026-01-30, accession 0001193125-26-030636.Report this figure185Diluted shares (weighted), Q1 FY2026, three months to 2025-06-27184,587,027 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2026-07-31, accession 0001193125-26-327128.Report this figure186Diluted shares (weighted), Q2 FY2026, three months to 2025-09-26186,305,785 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2025-10-31, accession 0001193125-25-259807.Report this figure186Diluted shares (weighted), Q3 FY2026, three months to 2025-12-26186,208,258 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2026-01-30, accession 0001193125-26-030636.Report this figure188Diluted shares (weighted), Q1 FY2027, three months to 2026-06-26187,770,061 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2026-07-31, accession 0001193125-26-327128.Report this figure

Shares outstanding: 186.40mShares outstanding, period not labelled, at 2026-07-27186,402,046 shares. XBRL concept dei:EntityCommonStockSharesOutstanding. 10-Q filed 2026-07-31, accession 0001193125-26-327128.Report this figure at Jul 27, 2026, from the cover of the 10-Q filed Jul 31, 2026.

Source: SEC EDGAR, XBRL company facts. Last ingested by Listed: Oct 24, 2026, 15:26 ET. Listed shows no prices and gives no investment advice.