Stocks · Healthcare · Biotechnology
Alector, Inc. ALEC
$1.81 -2.69% Close, Oct 2, 2026 · NASDAQ · Market cap $201.0M
Expensive vs sectorHigh risk
Next earnings report: Nov 5, 2026
Scroll or pinch to zoom, drag to move. Daily prices adjusted for splits. Markers: E = earnings (green beat, red miss), S = split, D = dividend.
Three things to know
- Revenue over the last four quarters was $13.9M, down 82.9% from a year earlier, slowing from -79.2% a quarter earlier.
- Operating margin narrowed to -914.6% from -165.8% a year earlier.
- Earnings beat analyst estimates in each of the last 14 quarters (average surprise over the last four: +20.0%).
PromtFinance scores
Each score is a percentile within the Healthcare sector (0–100). Under each score: how the stock ranks in its sector on every component. As of Oct 5, 2026.
How fast revenue, earnings and cash flow are growing.
- Revenue growth (TTM, YoY)Bottom 7%
- Revenue growth, 3-year CAGRBottom 3%
- Revenue growth accelerationBottom 29%
Returns on capital, margins, earnings quality and balance-sheet strength.
- Return on invested capitalBottom 17%
- Gross marginBottom 4%
- Operating marginBottom 13%
- Accruals (lower is better)Bottom 5%
How cheap the shares are relative to earnings, cash flow and their own history.
- Earnings yieldBottom 12%
- Free-cash-flow yieldBottom 4%
- EBITDA / enterprise valueBottom 9%
- Sales / enterprise valueBottom 26%
Strength and persistence of the price trend, including versus the S&P 500.
- 12-month return excluding last monthBottom 30%
- 6-month returnBottom 20%
- 1-year return vs S&P 500Bottom 15%
- Distance from 52-week highBottom 32%
- Trend checklist (0–4)Bottom 38%
Earnings surprises and analyst sentiment (estimate-revision history is being collected).
- Average EPS surprise, last 4 quartersTop 23%
- Consecutive EPS beatsTop 2%
- Share of analysts rating BuyBottom 30%
- Upside to consensus price targetBottom 18%
Low volatility, shallow drawdowns, low market sensitivity and modest leverage.
- Volatility, 60 days (lower is better)Bottom 10%
- Maximum drawdown, 3 yearsBottom 17%
- Beta vs S&P 500 (lower is better)Bottom 12%
What changed
Latest four quarters versus the same period a year earlier (growth: versus one quarter earlier).
| Measure | Before | Now | |
|---|---|---|---|
| Revenue growth (YoY) | -79.2% | -82.9% | ↓ |
| Gross margin | -91.9% | -360.9% | ↓ |
| Operating margin | -165.8% | -914.6% | ↓ |
| FCF margin | -266.2% | -1142.6% | ↓ |
Fundamental momentum
| Measure | Now (TTM) | Year / quarter before | Sector rank | |
|---|---|---|---|---|
| Revenue growth (TTM, YoY) | -82.9% | -79.2% | ↓ | Bottom 7% |
| Gross margin | -360.9% | -91.9% | ↓ | Bottom 4% |
| Operating margin | -914.6% | -165.8% | ↓ | Bottom 13% |
| Net margin | -850.1% | -142.1% | ↓ | — |
| Free-cash-flow margin | -1142.6% | -266.2% | ↓ | — |
| Return on invested capital | -67.6% | — | Bottom 17% | |
| Revenue growth, 3-year CAGR | -46.0% | — | Bottom 3% |
Quality of earnings and balance sheet
- Accruals (net income − OCF) / assetsLower is better; high accruals can signal weaker earnings quality.
- 19.9%
- Stock-based compensation / revenueA cost to shareholders through dilution.
- 120.9%
- Net debt / EBITDABelow 1× is conservative; above 3× is high leverage.
- Net cash
Shareholder returns
- Dividend yield (dividends paid, TTM)
- 0.00%
- Net buyback yield (TTM)
- -10.04%
- Shareholder yield
- -10.04%
- Share count change, 1 year
- +10.8%
- Share count change, 3-year CAGR
- +10.0%
Shareholder yield = dividends + net buybacks over the last four quarters, divided by market cap.
Based on the four quarters through Jun 30, 2026 (filed Aug 6, 2026).
Earnings and expectations
Earnings momentum
- Consecutive EPS beats
- 14
- Beats in the last 8 reports
- 8 of 8
- Average EPS surprise, last 4
- +20.0%
- Average 2-day reaction, last 8
- +4.6%
- Positive 20 days after report
- 3 of 8
Analysts
- Consensus price target
- $2.00
- Target vs current price
- +10.5%
- Analysts with a rating
- 14
- Share rating Buy or Strong Buy
- 64%
- Consensus rating
- Buy
How the stock reacted to recent reports
| Report date | EPS surprise | 2 days | 5 days | 20 days | 60 days |
|---|---|---|---|---|---|
| Aug 6, 2026 | +8.1% | +22.8% | +44.3% | +82.6% | — |
| May 7, 2026 | +40.0% | -5.1% | -16.3% | -29.6% | -41.2% |
| Feb 25, 2026 | +12.8% | +9.1% | -3.7% | -5.0% | -3.2% |
| Nov 6, 2025 | +19.0% | +4.0% | +7.2% | -3.2% | +54.4% |
| Aug 7, 2025 | +33.3% | +2.1% | +52.4% | +97.2% | +6.3% |
| May 8, 2025 | +6.8% | +2.0% | +4.9% | +38.2% | +52.0% |
| Feb 26, 2025 | +96.7% | -2.8% | -17.5% | -27.1% | -29.4% |
| Nov 6, 2024 | +18.9% | +4.8% | +11.0% | -56.2% | -65.8% |
Returns from the close before each report. Past reactions do not determine future ones.
Earnings history
| Report date | EPS | Estimate | Surprise | Revenue |
|---|---|---|---|---|
| Aug 6, 2026 | -$0.21 | -$0.23 | +8.1% | $3.3M |
| May 7, 2026 | -$0.21 | -$0.35 | +40.0% | $1.0M |
| Feb 25, 2026 | -$0.34 | -$0.39 | +12.8% | $6.2M |
| Nov 6, 2025 | -$0.34 | -$0.42 | +19.0% | $3.3M |
| Aug 7, 2025 | -$0.30 | -$0.45 | +33.3% | $7.9M |
| May 8, 2025 | -$0.41 | -$0.44 | +6.8% | $3.7M |
| Feb 26, 2025 | -$0.02 | -$0.61 | +96.7% | $54.2M |
| Nov 6, 2024 | -$0.43 | -$0.53 | +18.9% | $15.3M |
Valuation in context
| Multiple | Now | 5-year median | 5-year percentile | Sector rank (cheapness) |
|---|---|---|---|---|
| EV / Sales | 12.54× | — | — | Bottom 26% |
| Free-cash-flow yield | -78.82% | — | — | Bottom 4% |
| Earnings yield | -60.77% | — | — | Bottom 12% |
Technical state
Trend checklist
- ✗ Price above 20-day average
- ✗ Price above 50-day average
- ✗ Price above 200-day average
- ✓ 50-day average above 200-day
- ✗ MACD histogram positive
Trend quality
- Days above the 50-day average
- 0
- Days above the 200-day average
- 0
- 50-day average slope (20 days)
- +6.8%
- 200-day average slope (20 days)
- +3.9%
- Distance from 50-day average
- -10.3%
- Distance from 200-day average
- -9.2%
- RSI (14)
- 39.0
- Relative volume
- 0.80×
Risk and drawdowns
- Volatility, 60 days (annualized)
- 96.7%
- Volatility vs own 5-year history
- 81th percentile · High for this stock
- Beta vs S&P 500 (2 years, weekly)
- 2.05
- Correlation with S&P 500
- 0.32
- Current drawdown from 1-year high
- -45.5%
- Maximum drawdown, 3 years
- -89.2%
Largest declines in the past six years
| From peak | To low | Decline | Length | Recovery |
|---|---|---|---|---|
| Jul 7, 2021 | Apr 10, 2025 | -97.7% | 945 days | Not yet recovered |
| Mar 22, 2021 | May 13, 2021 | -30.3% | 37 days | 22 days (Jun 15, 2021) |
| Feb 8, 2021 | Mar 4, 2021 | -22.9% | 17 days | 12 days (Mar 22, 2021) |
| Sep 25, 2020 | Oct 20, 2020 | -16.7% | 17 days | 11 days (Nov 4, 2020) |
| Dec 22, 2020 | Jan 5, 2021 | -11.1% | 8 days | 8 days (Jan 15, 2021) |
Declines of 10% or more from a closing high, measured on daily closes.
Financial statements
- Market cap
- $201.0M
- EPS, diluted (TTM)
- -$1.10
- Revenue (TTM)
- $13.9M
- 52-week range
- $1.09 – $3.40
| FY 2021 | FY 2022 | FY 2023 | FY 2024 | FY 2025 | |
|---|---|---|---|---|---|
| Revenue | $207.1M | $133.6M | $97.1M | $100.6M | $21.0M |
| Gross profit | $17.7M | $133.6M | $88.2M | -$85.4M | $11.4M |
| Operating income | -$37.4M | -$137.8M | -$151.7M | -$145.0M | -$145.8M |
| Net income | -$36.3M | -$133.3M | -$130.4M | -$119.0M | -$142.9M |
| EPS (diluted) | -$0.45 | -$1.62 | -$1.56 | -$1.23 | -$1.39 |
| Q3 2024 | Q4 2024 | Q1 2025 | Q2 2025 | Q3 2025 | Q4 2025 | Q1 2026 | Q2 2026 | |
|---|---|---|---|---|---|---|---|---|
| Revenue | $15.3M | $54.2M | $3.7M | $7.9M | $3.3M | $6.2M | $1.0M | $3.3M |
| Net income | -$42.2M | -$2.1M | -$40.5M | -$30.5M | -$34.7M | -$37.3M | -$22.9M | -$23.0M |
| EPS (diluted) | -$0.44 | -$0.02 | -$0.41 | -$0.30 | -$0.34 | -$0.34 | -$0.21 | -$0.21 |
| FY 2021 | FY 2022 | FY 2023 | FY 2024 | FY 2025 | |
|---|---|---|---|---|---|
| Operating cash flow | $298.6M | -$20.3M | -$184.2M | -$229.9M | -$184.0M |
| Capital expenditure | -$3.2M | -$4.1M | -$2.4M | -$1.3M | -$41,000 |
| Free cash flow | $295.3M | -$24.4M | -$186.5M | -$231.2M | -$184.1M |
| Dividends paid | $0 | $0 | $0 | $0 | $0 |
| Net share buybacks | $0 | $4.5M | $2.5M | $71.1M | $20.2M |
Cash outflows are shown as negative numbers.
- Cash and short-term investments
- $172.8M
- Total assets
- $202.9M
- Total liabilities
- $212.8M
- Total debt
- $32.8M
- Net debt
- -$27.2M
- Shareholders’ equity
- -$10.0M
As of Jun 30, 2026 (filed Aug 6, 2026).
Short interest
- Shares sold short
- 6,104,803
- Days to cover
- 3.34
- Change vs previous report
- -1.0%
FINRA short interest, settlement date Sep 15, 2026.