10-K annual report · filed Aug 27, 2026

ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) FY2026 10-K Annual Report

Short answer

ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) filed its fiscal 2026 10-K annual report with the SEC on Aug 27, 2026. It reported revenue of $679M (−2.5% year over year) and net income of −$42M.

  • Top risk flagged: Evolving U.S. export control regulations risk restricting sales and increasing compliance costs for customers in China and Asia, impacting financial results

FY2026 key financial metrics · XBRL

Revenue
$679M
−2.5% YoY
Net income
−$42M
+56.4% YoY
Operating margin
-6.4%
−2.3 pp YoY
Gross margin
22.3%
−0.8 pp YoY
EPS (diluted)
−$1.41
+57.3% YoY
ROE
-5.3%
+6.5 pp YoY
Operating cash flow
−$16M
−155.0% YoY

Source: XBRL data from the ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) FY2026 10-K on SEC EDGAR. USD.

ALPHA & OMEGA SEMICONDUCTOR Ltd FY2026 10-K analysis

AI summary of each section, grounded in the filing text

Business Overview

  • Core business model: Designer and global supplier of broad portfolio of power semiconductors focusing on power discretes and power ICs
  • New products: Launched SmartClamp™ protected DrMOS for AI servers, 25V/80V MOSFETs with advanced packaging, αMOS E2™ 600V super junction MOSFET platform
  • Strategic shift: Divested 20.3% equity in JV Company reducing ownership to 18.9%, raising $150M for tech R&D and acquisitions
  • Key metric: R&D spend increased to $103.9M in FY2026 from $94.3M in FY2025, employee count 2,519 globally with 817 in U.S.
  • Noteworthy fact: Introduced total power solution for next-gen Intel Panther Lake/Wildcat Lake platforms combining digital control with analog efficiency

Management Discussion & Analysis

  • Revenue $678.9M, down 2.5% YoY ($696.2M in FY25); power discrete sales fell $11.7M (-2.6%), power IC up $3.9M (+1.7%)
  • Gross margin 22.3% vs 23.1%, down 0.8 points, due to higher material costs and lower unit shipment; R&D expenses up 10.2% to $103.9M
  • Best performing segment: Computing revenue $343.0M, up 5.8%; worst: Consumer revenue $83.0M, down 18.9%
  • Net cash used in operating activities $16.3M vs provided $29.7M in FY25; investing activities provided $86.1M driven by $147.7M equity sale in JV company; financing used $41.8M including $18.2M share repurchases and $11.5M loan repayments
  • Management expects continued gross margin fluctuations due to product mix and market conditions; risks include PC market decline, wafer capacity constraints, price erosion, and impact of Bermuda 15% CIT under review for future compliance

Risk Factors

  • Evolving U.S. export control regulations risk restricting sales and increasing compliance costs for customers in China and Asia, impacting financial results
  • Geopolitical tensions U.S.-China expose operations in both countries to tariff volatility, export restrictions, and supply chain disruptions
  • Oregon Fab fixed costs and fluctuating demand risk excess capacity costs or lost revenue during semiconductor downturns
  • Major competitors include Infineon, ON Semiconductor, STMicroelectronics; intensified competition and semiconductor industry consolidation threaten market share
  • Distributor concentration risk: WPG and Promate accounted for over 71% revenue in last three years, reliance may cause sales volatility or contractual risks

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