APPLIED OPTOELECTRONICS, INC. (AAOI) FY2025 10-K Annual Report

Filed: Feb 26, 2026
Information Technology
Semiconductors & Related DevicesSEC EDGAR

APPLIED OPTOELECTRONICS, INC. (AAOI) 10-K annual report for fiscal year 2025, filed with SEC EDGAR on Feb 26, 2026. This page provides AI-powered analysis including business overview, management discussion & analysis (MD&A), risk factors, and key financial data such as revenue, net income, gross margin, operating margin, and return on equity (ROE) extracted from XBRL.

APPLIED OPTOELECTRONICS, INC. FY2025 10-K Analysis

Business Overview

  • Core business: Vertically integrated manufacturer of fiber-optic networking products for internet data center, CATV, telecom, and FTTH markets
  • New direct-to-MSO product line in CATV under Quantum Bandwidth™ launched 2023 to address network upgrade needs
  • Strategic shift: Increased emphasis on U.S.-based automated production capacity for data center products to meet customer preferences amid supply chain concerns
  • Quantitative metric: Revenue growth to $455.7M in 2025, up from $249.4M in 2024; CATV accounted for 53.8% and internet data center 42.9% of 2025 revenue
  • Noteworthy fact: Key CATV customer Digicomm’s revenue share surged to 53.1% in 2025 from 11.3% in 2023, reflecting concentration risk and shifting customer dynamics

Management Discussion & Analysis

  • Revenue $455.7M in 2025, up 82.8% YoY from $249.4M in 2024, driven by CATV ($245.1M) and data center ($195.7M) growth
  • Gross margin 30.1% in 2025 vs 24.8% in 2024 and 27.1% in 2023
  • Best performing segment: CATV revenue $245.1M (53.8% of total); worst: FTTH and other $1.2M (0.3%) in 2025
  • Net loss $38.2M in 2025, improved from $186.7M loss in 2024
  • Top customers Digicomm (53.1% revenue) and Microsoft (28.8% revenue) in 2025
  • Operating expenses increasing in dollars but expected to decline as % of revenue over time
  • Cash flow details on buybacks, dividends, or capex not disclosed
  • Management expects continued strong demand for 40, 100, 400 Gbps products with 800 Gbps sales exceeding 400 Gbps later in 2026
  • Key risks: price pressure, customer concentration, product mix, quarterly variability in margin and revenue expected due to technology transitions

Risk Factors

  • U.S. Supreme Court invalidated IEEPA tariffs Feb 2026; Section 232/301 tariffs remain, causing ongoing cost, supply chain, and margin uncertainties
  • High exposure to China with 4,116 manufacturing/R&D employees there; Lunar New Year closures disrupt Feb production
  • Significant capital investment in U.S. manufacturing automation tied to AI demand may underperform due to delays, cost inflation, or weak AI adoption
  • Competitor advantage risk as rivals pursue alternative AI technologies or sourcing, potentially obsoleting Applied Optoelectronics' equipment and slowing returns
  • Heavy revenue concentration: top 10 customers 96.6% of 2025 revenue, with Digicomm 53.1% and Microsoft 28.8%, risking major impact from order reductions

APPLIED OPTOELECTRONICS, INC. FY2025 Key Financial Metrics
XBRL

Revenue

$456M

+82.8% YoY

Net Income

-$38M

+79.5% YoY

Gross Margin

30.0%

+526bp YoY

Operating Margin

-12.0%

+1645bp YoY

Net Margin

-8.4%

+6649bp YoY

ROE

-5.2%

+7629bp YoY

Total Assets

$1.2B

+113.6% YoY

EPS (Diluted)

$-0.64

+85.8% YoY

Operating Cash Flow

-$174M

-150.9% YoY

Source: XBRL data from APPLIED OPTOELECTRONICS, INC. FY2025 10-K filing on SEC EDGAR. All figures in USD.

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