Filing Flows › Alector (ALEC) › Q2 2025
Alector (ALEC) Q2 2025 earnings results (second quarter 2025)
10-Q filed Aug 7, 2025
Alector (ALEC) reported revenue of $7.9M for the second quarter 2025 (Q2 2025), -48% from a year earlier and +113% from the quarter before. Operating margin was -433.6%, net loss $30.5M (387.7% of revenue).
Alector, Q2 2025: revenue $7.9M (-48% year over year), operating margin -433.6%, net loss $30.5M, operating cash flow −$49.0M. The chart follows the revenue to costs, profit and cash.
| Q2 2025 | Amount | Q/Q | Y/Y |
|---|---|---|---|
| Revenue | $7.9M | +113% | -48% |
| Operating profit | −$34.1M | — | — |
| Net earnings | −$30.5M | — | — |
| Operating cash flow | −$49.0M | — | — |
What changed
Revenue was $7.9M in Q2 2025, down 48% year over year and up 113% from the previous quarter.
Operating costs exceeded revenue by $34.1M, an operating margin of -433.6%. Total costs fell 31% while revenue fell 48%. The quarter ended with a net loss of $30.5M, narrower than the previous quarter's $40.5M loss.
Operating cash flow was −$49.0M. Non-cash charges added back $2.3M of depreciation and amortization and $7.1M of share-based compensation. Working capital and other items used $27.9M. Capital expenditures of $10K exceeded it, leaving free cash flow of −$49.1M.
Questions
What was Alector's revenue in the second quarter 2025?
Alector (ALEC) reported revenue of $7.9M for the second quarter 2025 (Q2 2025), -48% from a year earlier and +113% from the quarter before.
Was Alector profitable in the second quarter 2025?
Operating loss was $34.1M (-433.6% of revenue) and net loss $30.5M.
Source: Alector 10-Q on SEC EDGAR.