Filing Flows › Alector (ALEC) › Q3 2026
Alector (ALEC) Q3 2026 earnings results (third quarter 2026)
10-Q filed Nov 5, 2026
Alector (ALEC) reported revenue of $163M for the third quarter 2026 (Q3 2026), up 50-fold from a year earlier and up 49-fold from the quarter before. Operating margin was 76.0%, net earnings $125M (76.5% of revenue).
Alector, Q3 2026: revenue $163M (50× year over year), operating margin 76.0%, net earnings $125M, operating cash flow −$24.2M. The chart follows the revenue to costs, profit and cash.
| Q3 2026 | Amount | Q/Q | Y/Y |
|---|---|---|---|
| Revenue | $163M | 49× | 50× |
| Operating profit | $124M | — | — |
| Net earnings | $125M | — | — |
| Operating cash flow | −$24.2M | — | — |
What changed
Revenue was $162.9M in Q3 2026, up 4896% year over year and up 4806% from the previous quarter.
Operating profit was $123.8M, a 76.0% margin (up 1229.7 points year over year). Total costs fell 5% while revenue rose 4896%. Net earnings were $124.6M. The effective tax rate was 0.0%.
Operating cash flow was −$24.2M. Non-cash charges added back $1.0M of depreciation and amortization and $2.0M of share-based compensation. Working capital and other items used $151.7M.
Questions
What was Alector's revenue in the third quarter 2026?
Alector (ALEC) reported revenue of $163M for the third quarter 2026 (Q3 2026), up 50-fold from a year earlier and up 49-fold from the quarter before.
Was Alector profitable in the third quarter 2026?
Operating profit was $124M (76.0% of revenue) and net earnings $125M.
Source: Alector 10-Q on SEC EDGAR.