Filing Flows › Adtran Holdings (ADTN) › Q4 2025
Adtran Holdings (ADTN) Q4 2025 earnings results (fourth quarter 2025)
10-K filed Feb 26, 2026
Adtran Holdings (ADTN) reported revenue of $292M for the fourth quarter 2025 (Q4 2025), +20% from a year earlier and +4% from the quarter before. Operating margin was 1.5%, net loss $1.3M (0.4% of revenue).
Adtran Holdings, Q4 2025: revenue $292M (+20% year over year), operating margin 1.5%, net loss $1.3M, operating cash flow $42.2M. The chart follows the revenue to costs, profit and cash.
| Q4 2025 | Amount | Q/Q | Y/Y |
|---|---|---|---|
| Revenue | $292M | +4% | +20% |
| Operating profit | $4.5M | — | — |
| Net earnings | −$1.3M | — | — |
| Operating cash flow | $42.2M | +247% | 17× |
| Free cash flow | $22.5M | — | — |
What changed
Revenue was $291.6M in Q4 2025, up 20% year over year and up 4% from the previous quarter.
Gross margin was 39.0%, up 2.1 points from a year earlier. Operating profit was $4.5M, a 1.5% margin (up 8.4 points year over year). Operating expenses grew 3% against revenue growth of 20%. The quarter ended with a net loss of $1.3M, narrower than the previous quarter's $7.8M loss. Net interest and other expense of $2.6M was the main reason.
Operating cash flow was $42.2M (up 1632% year over year). Non-cash charges added back $24.2M of depreciation and amortization and $1.3M of share-based compensation. Working capital and other items added $18.0M. After purchases of property, plant and equipment and developed technologies ($19.7M), free cash flow as the company reports it was $22.5M.
Questions
What was Adtran Holdings' revenue in the fourth quarter 2025?
Adtran Holdings (ADTN) reported revenue of $292M for the fourth quarter 2025 (Q4 2025), +20% from a year earlier and +4% from the quarter before.
Was Adtran Holdings profitable in the fourth quarter 2025?
Operating profit was $4.5M (1.5% of revenue) and net loss $1.3M.
Source: Adtran Holdings 10-K on SEC EDGAR.