Filing Flows › Astera Labs (ALAB) › Q3 2025
Astera Labs (ALAB) Q3 2025 earnings results (third quarter 2025)
10-Q filed Nov 5, 2025
Astera Labs (ALAB) reported revenue of $231M for the third quarter 2025 (Q3 2025), +104% from a year earlier and +20% from the quarter before. Operating margin was 24.0%, net earnings $91.1M (39.5% of revenue).
Astera Labs, Q3 2025: revenue $231M (+104% year over year), operating margin 24.0%, net earnings $91.1M, operating cash flow $78.2M. The chart follows the revenue to costs, profit and cash.
| Q3 2025 | Amount | Q/Q | Y/Y |
|---|---|---|---|
| Revenue | $231M | +20% | +104% |
| Gross profit | $176M | +21% | +100% |
| Operating profit | $55.4M | +39% | — |
| Net earnings | $91.1M | +78% | — |
| Operating cash flow | $78.2M | -42% | +23% |
| Free cash flow | $65.9M | -51% | +41% |
What changed
Revenue was $230.6M in Q3 2025, up 104% year over year and up 20% from the previous quarter.
Gross margin was 76.2%, down 1.5 points from a year earlier. Operating profit was $55.4M, a 24.0% margin (up 31.9 points year over year). Operating expenses grew 24% against revenue growth of 104%. The fastest-growing cost line was Research & development (+56%). Net earnings were $91.1M. The effective tax rate was -36.3%.
Operating cash flow was $78.2M (up 23% year over year), 86% of net earnings. Non-cash charges added back $1.5M of depreciation and amortization and $40.7M of share-based compensation. Working capital and other items used $55.1M. Capital expenditures of $12.3M left free cash flow of $65.9M.
Questions
What was Astera Labs' revenue in the third quarter 2025?
Astera Labs (ALAB) reported revenue of $231M for the third quarter 2025 (Q3 2025), +104% from a year earlier and +20% from the quarter before.
Was Astera Labs profitable in the third quarter 2025?
Operating profit was $55.4M (24.0% of revenue) and net earnings $91.1M.
Source: Astera Labs 10-Q on SEC EDGAR.