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Adtran Holdings vs Calix

Adtran Holdings and Calix are similar in size: $1.08bn and $1.00bn of revenue in their latest fiscal years. Calix grew faster (20.3% against 17.5%). Calix kept more of each dollar of sales as profit: a net margin of 1.8% against -4.2%. Calix carries less debt relative to equity (0.0% against 132.4%).

Latest fiscal yearAdtran HoldingsADTN, 2025CalixCALX, 2025
Revenue $1.08bn $1.00bn
Revenue growth 17.5% 20.3%
Net income −$45.7m $17.9m
Operating margin -1.4% 2.1%
Net margin -4.2% 1.8%
Return on equity -33.5% 2.2%
Free cash flow $98.0m $116m
Cash $95.7m $143m
Total debt $193m $0
Debt to equity 132.4% 0.0%
Dividend per share — —
Dividend yield — —
Share buybacks — $93.6m
Employees 3,338 1,921
Market value $418m $2.09bn
Price vs our value range — —
Moat score 51 (Moderate) 59 (Moderate)
Insider trades, 12 months 4 buys, 5 sales 0 buys, 13 sales

Each figure is from the company's latest annual report and links to the page it comes from. Fiscal years can end on different dates. Market value and the value verdict use the delayed price shown on the stock pages. Not a recommendation.

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Figures from each company's latest annual report filed with the SEC (10-K or 20-F), as reported, with the fiscal year shown. Not investment advice. How we read filings: methodology.