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AAOI vs ADTN: core financials compared

Applied Optoelectronics, Inc. vs ADTRAN Holdings, Inc. · AAOI FY2025 (ended 2025-12-31) vs ADTN FY2025 (ended 2025-12-31) · computed from SEC XBRL filings

ADTN leads on 3 of the directional core metrics; AAOI on 1.
MetricAAOI
FY2025 · 2025-12-31
ADTN
FY2025 · 2025-12-31
Revenue$455.7M$1.08B
Revenue growth (YoY)82.8%17.5%
Operating margin-12.0%-1.4%
Net margin-8.4%-4.2%
FCF margin-77.6%9.0%
Capex % of revenue39.3%2.9%

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Each column is that company's OWN annual period, labeled above with its fiscal year and period end. ADTN's is the annual period ending closest to AAOI's 2025-12-31: where ADTN has already filed a fiscal year AAOI has not, this comparison uses ADTN's matching period rather than that later one. Fiscal calendars differ across companies, so two matching fiscal years can still end months apart, on either side of each other: past 183 days no winner is called, and past 400 days the column reads "n.m." throughout and nothing is compared across it. Green = better on that metric where direction is unambiguous. Source: SEC EDGAR XBRL (10-K). "n/a" = not disclosed under mapped tags; never estimated. Informational benchmarking, not investment advice. © CompsDesk / Sam Arora.