Alector, Inc.
Financial highlights
| Metric | FY 12/31/25 | FY 12/31/24 | FY 12/31/23 | FY 12/31/22 | FY 12/31/21 |
|---|---|---|---|---|---|
| Income Statement | |||||
| Revenue | $21.0M | $100.6M | $97.1M | $133.6M | $207.1M |
| Research and development | $123.1M | $185.9M | $192.1M | $210.4M | $189.4M |
| Operating expenses | $177.1M | $245.6M | $248.8M | $271.5M | $244.4M |
| Operating income | -$156.0M | -$145.0M | -$151.7M | -$137.8M | -$37.4M |
| Pretax income | -$142.8M | -$118.9M | -$125.1M | -$130.1M | — |
| Income tax expense | $168,000 | $128,000 | $5.2M | $3.3M | $0 |
| Net income | -$142.9M | -$119.0M | -$130.4M | -$133.3M | -$36.3M |
| Balance Sheet | |||||
| Cash and equivalents | $65.8M | $33.0M | $74.6M | $154.3M | $329.2M |
| Current assets | $266.5M | $424.8M | $565.8M | $726.4M | $749.7M |
| Total assets | $293.2M | $468.3M | $621.8M | $787.6M | $814.7M |
| Current liabilities | $69.5M | $125.1M | $177.9M | $93.8M | $139.6M |
| Total liabilities | $262.6M | $341.5M | $487.7M | $573.2M | $513.9M |
| Stockholders' equity | $30.6M | $126.8M | $134.2M | $214.4M | $300.7M |
| Cash Flow Statement | |||||
| Cash from operations | -$184.0M | -$229.9M | -$184.2M | -$20.3M | $298.6M |
| Depreciation and amortization | $5.7M | $5.4M | $5.7M | $5.7M | $6.3M |
| Stock-based compensation | $26.7M | $39.5M | $42.8M | $46.1M | $40.8M |
| Capital expenditure | $41,000 | $1.3M | $2.4M | $4.1M | $3.2M |
| Free cash flow | -$184.1M | -$231.2M | -$186.5M | -$24.4M | $295.3M |
| Impairments | — | — | $0 | $0 | — |
Shares outstanding 111.0M · Free float 76.5%
Annual filing data through FY ended December 31, 2025; float as of July 14, 2026.