Alector, Inc. (ALEC) Key Metrics

NASDAQ: ALECValuation, returns, debt and efficiency ratios over 10 years.

ALEC valuation today

Trailing 12 months · as of October 17, 2026
Market cap
$205.4M
Enterprise value
$84.4M
P/E (TTM)
—
Forward P/E
8.5
PEG ratio
—
Price / sales
14.8
10-yr median 7.6
Price / book
19.6
10-yr median 5.0
EV / EBITDA
—
Dividend yield
—
Beta
0.62

ALEC key metrics, 2016–2025

Fiscal year ended December 31, 2025 · U.S. dollars

ALEC valuation Price multiples at each fiscal year-end price.

Price / sales+320.6%
7.6
2025 · hover or tap a bar for each year
2019: 50.12020: 55.8 (+11.2%)2021: 8.0 (−85.6%)2022: 5.7 (−29.0%)2023: 6.9 (+20.8%)2024: 1.8 (−73.6%)2025: 7.6 (+320.6%)
20162025
Price / book+264.1%
5.2
2025 · hover or tap a bar for each year
2019: 5.52020: 4.4 (−19.5%)2021: 5.5 (+25.6%)2022: 3.5 (−35.7%)2023: 5.0 (+40.3%)2024: 1.4 (−71.1%)2025: 5.2 (+264.1%)
20162025
Free cash flow yield+12.1 pts
−114.6%
2025 · hover or tap a bar for each year
2019: −10.8%2020: −14.6% (−3.8 pts)2021: 17.8% (+32.4 pts)2022: −3.2% (−21.0 pts)2023: −27.9% (−24.7 pts)2024: −126.6% (−98.7 pts)2025: −114.6% (+12.1 pts)
20162025

ALEC valuation history

Fiscal year-endToday10-year median

ALEC returns on capital

ROEROICROA

Net income (ROE, ROA) or after-tax operating income (ROIC) divided by the average of the opening and closing balance.

ALEC debt vs cash

Total debtCash & short-term investments

Debt includes short- and long-term borrowings and, where reported, lease liabilities.

ALEC cash returned to shareholders

DividendsBuybacksFree cash flow

ALEC price vs earnings per share

Share price at year-endEPS (right axis)

ALEC key metrics

2016–2025
Alector, Inc. key metrics by fiscal year
2025202420232022202120202019201820172016
Valuation
Market capitalization$160.7M$182.6M$668.2M$761.2M$1.66B$1.18B$1.06B———
Enterprise value−$59.1M−$188.3M$158.3M$91.7M$973.0M$814.4M$758.6M———
Price / sales7.61.86.95.78.055.850.1———
Price / book5.21.45.03.55.54.45.5———
Price / free cash flow————5.6—————
Price / operating cash flow————5.6—————
EV / sales-2.8-1.91.60.74.738.635.8———
EV / free cash flow————3.3—————
Earnings yield−89.0%−65.2%−19.5%−17.5%−1.7%−15.6%−9.4%———
Free cash flow yield−114.6%−126.6%−27.9%−3.2%17.8%−14.6%−10.8%———
Shareholder yield (dividends + buybacks)————0.0%0.0%0.0%———
Share price at fiscal year-end$1.56$1.89$7.98$9.23$20.65$15.13$17.23———
Per share
Revenue per share$0.20$1.04$1.16$1.62$2.58$0.27$0.34$0.40$0.07—
Earnings per share−$1.39−$1.23−$1.56−$1.62−$0.35−$2.35−$1.62−$0.76−$0.63—
Operating cash flow per share−$1.79−$2.38−$2.20−$0.25$3.71−$2.14−$1.61$1.86−$0.35—
Free cash flow per share−$1.79−$2.39−$2.23−$0.30$3.67−$2.21−$1.86$1.84−$0.36—
Cash per share$2.49$4.28$6.55$8.64$9.14$5.32$5.72$4.25$0.63—
Book value per share$0.30$1.31$1.60$2.60$3.74$3.44$3.15−$1.42−$1.02—
Tangible book value per share$0.30$1.31$1.60$2.60$3.74$3.44$3.15−$1.42−$1.02—
Capex per share$0.00$0.01$0.03$0.05$0.04$0.06$0.25$0.03$0.02—
Debt per share$0.35$0.44$0.46$0.53$0.59$0.66$0.78$0.51——
Shares outstanding103.0M96.6M83.7M82.5M80.4M77.8M61.7M68.4M51.2M—
Change in shares outstanding+6.6%+15.4%+1.5%+2.6%+3.4%+26.0%−9.7%+33.5%——
Returns & profitability
Return on equity (ROE)−181.6%−91.2%−74.8%−51.8%−9.9%−79.2%−205.1%———
Return on assets (ROA)−37.5%−21.8%−18.5%−16.6%−4.3%−40.2%−27.3%−19.2%−22.4%−27.9%
Return on tangible assets−48.7%−25.4%−21.0%−16.9%−3.4%−37.5%−23.7%−16.9%−13.8%−27.9%
Free cash flow margin−874.7%−229.9%−192.2%−18.3%142.6%−814.1%−540.0%453.7%−497.2%—
Financial health
Total debt$36.2M$42.5M$38.9M$43.3M$47.6M$51.3M$48.0M$34.9M——
Cash & short-term investments$256.0M$413.4M$548.9M$712.9M$735.3M$413.3M$353.1M$290.4M$32.5M$50.8M
Net debt−$219.8M−$370.9M−$509.9M−$669.5M−$687.6M−$362.1M−$305.0M−$255.5M−$32.5M−$50.8M
Debt / equity1.180.340.290.200.160.190.25———
Debt / assets0.120.090.060.060.060.100.110.11——
Current ratio3.833.403.187.745.376.195.7722.488.5033.90
Quick ratio3.833.403.187.745.376.195.7722.488.5033.90
Interest coverage———-8.5-4.5—————
Working capital$196.9M$299.8M$387.9M$632.6M$610.2M$353.4M$295.5M$280.1M$205.6M$49.7M
Invested capital−$189.1M−$244.1M−$375.8M−$455.1M−$386.9M−$94.5M−$110.3M−$352.9M−$84.5M−$75.7M
Tangible asset value$30.6M$126.8M$134.2M$214.4M$300.7M$267.5M$194.7M−$97.4M−$52.0M−$24.9M
Net current asset value$3.9M$83.3M$78.1M$153.2M$235.8M$200.8M$130.3M−$112.6M−$55.1M−$27.8M
Graham net-net per share−$0.06$0.74$0.73$1.72$2.82$2.48$2.04−$1.69−$2.06—
Capital allocation
Share buybacks (net)————$0$0$92,000$1.9M$15,000$77,000
Dividends + buybacks / free cash flow————0.0%——1.5%——
Capex / revenue0.2%1.2%2.5%3.1%1.6%23.9%71.9%6.8%21.4%540.9%
Capex / operating cash flow————1.1%——1.5%——
Capex / depreciation0.000.140.270.490.390.692.741.851.1811.19
Stock-based compensation / revenue126.7%39.2%44.1%34.5%19.7%144.7%76.7%25.0%143.3%471.9%
R&D / revenue584.8%208.1%197.9%157.5%91.5%743.5%473.8%263.9%800.8%3,287.0%
SG&A / revenue256.5%57.1%58.4%45.7%26.6%281.6%165.4%43.1%174.1%450.5%
Efficiency
Days sales outstanding———13.613.0——1,320.49,794.7191.3
Days of inventory on hand————————0.0—
Days payables outstanding73.85.9164.3192.57.53.80.73.214.030.8
Cash conversion cycle (days)———-178.95.6——1,317.29,780.7160.5
Receivables turnover———26.7828.02——0.280.041.91
Payables turnover4.9562.082.221.9048.8695.59497.66115.3726.1011.87
Inventory turnover————————29,911,000.00—
Asset turnover0.060.180.140.170.320.050.060.100.030.01
Average receivables———$5.0M$7.4M——$100.1M$100.2M$218,000
Average payables$2.0M$3.0M$4.0M$4.5M$3.9M$1.6M$202,000$633,000$1.1M$1.2M
Average inventory————————$1—
Intangibles / total assets0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%

Computed from ALEC's annual financial statements (latest annual report filed February 25, 2026) and the closing share price on each fiscal year-end, adjusted for stock splits. Figures in U.S. dollars; data from EODHD. Averages use the opening and closing balance of each year.

ALEC valuation and financial ratios

Alector earned a return on equity of −181.6% in fiscal 2025. It ended the year with $36.2 million of debt and $256.0 million in cash and short-term investments, a net cash position of $219.8 million.

See the ALEC income statement, the ALEC chart for price history, or the ALEC stock overview for the latest quote and news.

ALEC key metrics FAQ

What is Alector's return on equity?

Alector's return on equity (ROE) was −181.6% in fiscal 2025: net income of -$142.9 million on average shareholders' equity of $78.7 million.

How much debt does Alector have?

Alector had total debt of $36.2 million at the end of fiscal 2025, a debt-to-equity ratio of 1.18 and more cash than debt.

What is Alector's free cash flow yield?

Alector generated -$184.1 million of free cash flow in fiscal 2025, a free cash flow yield of −114.6% on its market value at year-end ($160.7 million).

What is Alector's current ratio?

Alector's current ratio was 3.83 at the end of fiscal 2025: current assets were 3.83 times current liabilities.

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