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  3. Financial Ratios
OverviewPriceRevenueEarningsP/ERatiosDividendTargets

Alector, Inc. (ALEC) Financial Ratios

10 years of historical data (2016–2025) · Healthcare · Biotechnology

View Quarterly Ratios →

P/E Ratio
-1.76
—
5yr avg: N/A
050%ile100
View P/E History →
EV/EBITDA
N/A
—
5yr avg: N/A
P/FCF
N/A
—
5yr avg: 5.62
30Y Low5.6·High5.6
P/B Ratio
↓
8.20
↑+98% vs avg
5yr avg: 4.15
0100%ile100
30Y Low1.4·High5.5
ROE
↓
-181.6%
↑-120% vs avg
5yr avg: -82.4%
029%ile100
30Y Low-217%·High-13%
Debt/EBITDA
N/A
—
5yr avg: N/A

Percentile shows where the current value sits in 30-year historical distribution. Sparklines show 5-year trend.

ALEC Valuation Multiples

Price-based multiples — how expensive the stock is relative to earnings, sales, book value, and cash flow

Alector, Inc. currently has a negative P/E ratio, indicating the company is operating at a loss on a trailing-twelve-month basis.

MetricTTMFY 2025FY 2024FY 2023FY 2022FY 2021FY 2020FY 2019FY 2018FY 2017FY 2016
Market Cap$269M$161M$183M$668M$761M$1.7B$1.2B$1.1B———
Enterprise Value$240M$131M$192M$633M$650M$1.4B$1.2B$1.0B———
P/E Ratio →-1.76——————————
P/S Ratio12.807.631.826.885.708.0255.7650.13———
P/B Ratio8.205.241.444.983.555.524.405.46———
P/FCF—————5.62—————
P/OCF—————5.56—————

P/E links to full P/E history page with 30-year chart

ALEC EV Ratios

Enterprise-value multiples — capital-structure-neutral measures of total business value

MetricTTMFY 2025FY 2024FY 2023FY 2022FY 2021FY 2020FY 2019FY 2018FY 2017FY 2016
EV / Revenue—6.231.916.524.876.6655.8248.17———
EV / EBITDA———————————
EV / EBIT———————————
EV / FCF—————4.67—————

ALEC Profitability

Margins and return-on-capital ratios measuring operating efficiency

Alector, Inc. earns an operating margin of -741.3%. Operating margins have compressed from -156.3% to -741.3% over the past 3 years, signaling potential cost pressures or competitive headwinds. A negative ROE of -181.6% indicates the company is currently destroying shareholder equity.

Margins

Full margin charts and quarterly trend are on the Earnings History page

MetricTTMFY 2025FY 2024FY 2023FY 2022FY 2021FY 2020FY 2019FY 2018FY 2017FY 2016
Gross Margin——100.0%90.9%100.0%8.5%-643.5%-373.8%-163.9%-700.8%-3187.0%
Operating Margin-741.3%-741.3%-144.2%-156.3%-103.2%-18.0%-925.1%-539.2%-207.0%-874.9%-3637.5%
Net Profit Margin-679.2%-679.2%-118.4%-134.3%-99.8%-17.5%-901.6%-496.7%-188.8%-869.6%-3632.2%

Return on Capital

MetricTTMFY 2025FY 2024FY 2023FY 2022FY 2021FY 2020FY 2019FY 2018FY 2017FY 2016
ROE-181.6%-181.6%-91.2%-74.8%-51.8%-12.8%-82.3%-216.5%———
ROA-37.5%-37.5%-21.8%-18.5%-16.6%-5.6%-41.8%-28.9%-19.2%-22.4%-27.9%
ROIC-170.3%-170.3%-92.6%-112.7%-168.6%-19.5%-69.4%————
ROCE-55.0%-55.0%-36.8%-26.7%-20.1%-6.8%-50.0%-34.9%-22.7%-25.0%-28.8%

ALEC Leverage & Debt

Solvency and debt-coverage ratios — lower is generally safer

The company holds a net cash position — cash of $66M exceeds total debt of $36M, providing substantial financial flexibility for buybacks, acquisitions, or weathering downturns.

MetricTTMFY 2025FY 2024FY 2023FY 2022FY 2021FY 2020FY 2019FY 2018FY 2017FY 2016
Debt / Equity1.181.180.340.290.200.160.190.25———
Debt / EBITDA———————————
Net Debt / Equity—-0.960.07-0.27-0.52-0.940.00-0.21———
Net Debt / EBITDA———————————
Debt / FCF—————-0.95——-0.52——
Interest Coverage———————————

Net cash position: cash ($66M) exceeds total debt ($36M)

ALEC Liquidity & Efficiency

Short-term solvency ratios and asset-utilisation metrics

Alector, Inc.'s current ratio of 3.83x is well above the 1.0 safety threshold, indicating strong short-term liquidity with ample room to cover current liabilities. The current ratio has improved from 3.18x to 3.83x over the past 3 years.

MetricTTMFY 2025FY 2024FY 2023FY 2022FY 2021FY 2020FY 2019FY 2018FY 2017FY 2016
Current Ratio3.833.833.403.187.745.376.195.7722.488.5033.90
Quick Ratio3.833.833.403.187.745.376.195.7722.488.5033.90
Cash Ratio3.683.683.313.087.605.276.075.7022.271.1833.67
Asset Turnover—0.070.210.160.170.250.040.050.090.020.01
Inventory Turnover———————————
Days Sales Outstanding————7.0713.03———19568.10191.27

ALEC Shareholder Yields

Earnings, FCF, buyback, and dividend yields — total returns to shareholders

Alector, Inc. does not currently pay a dividend and has no material buyback yield, reinvesting earnings back into the business.

Dividends

Full dividend history and growth charts are on the Dividend History page

MetricTTMFY 2025FY 2024FY 2023FY 2022FY 2021FY 2020FY 2019FY 2018FY 2017FY 2016
Dividend Yield———————————
Payout Ratio———————————

Total Shareholder Return Metrics

MetricTTMFY 2025FY 2024FY 2023FY 2022FY 2021FY 2020FY 2019FY 2018FY 2017FY 2016
Earnings Yield———————————
FCF Yield—————17.8%—————
Buyback Yield0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%———
Total Shareholder Yield0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%———
Shares Outstanding—$103M$97M$84M$82M$80M$78M$62M$68M$51M$8M

Peer Comparison

Compare ALEC with 10 similar companies in its peer group

CompanyMarket CapP/EEV/EBITDAP/FCFGross MarginOp MarginROEROICDebt/EBITDA
ALEC logoALECYou$269M-1.8———-741.3%-181.6%-170.3%—
PRTA logoPRTA$567M-2.3——61.8%-1905.8%-63.6%-2099.8%—
ACAD logoACAD$4B9.926.936.791.7%9.8%39.9%10.0%0.4
SAVA logoSAVA$94M-3.8————-17.2%-634.1%—
AVXL logoAVXL$289M-5.8————-43.1%——
INMB logoINMB$38M-0.8——100.0%-61738.0%-165.2%-407.4%—
BIIB logoBIIB$28B21.711.413.870.5%19.1%7.4%6.5%2.5
IONS logoIONS$13B-31.9——98.3%-40.5%-70.7%-12.8%—
ARVN logoARVN$652M-8.0——98.0%-43.8%-16.2%-22.4%—
DNLI logoDNLI$3B-6.6————-45.7%-42.8%—
PTGX logoPTGX$6B-48.2—113.497.3%-343.6%-20.2%-21.8%—
Healthcare Median—22.314.418.563.9%-5.2%-33.7%-11.2%3.3

Peer selection based on competitive and market overlap. Compare multiple stocks →

Download Financial Ratios Data

Includes 30+ ratios · 10 years · Updated daily

See ALEC's True Return

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Is ALEC Undervalued?

DCF intrinsic value, peer multiples, and analyst estimates — see what the stock is really worth.

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Compare ALEC vs PRTA

Side-by-side business, growth, and profitability comparison vs Prothena Corporation plc.

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ALEC — Frequently Asked Questions

Quick answers to the most common questions about buying ALEC stock.

What is Alector, Inc.'s P/E ratio?

Alector, Inc.'s current P/E ratio is -1.8x. This places it at the 50th percentile of its historical range.

What is Alector, Inc.'s ROE?

Alector, Inc.'s return on equity (ROE) is -181.6%. The historical average is -101.6%.

Is ALEC stock overvalued?

Based on historical data, Alector, Inc. is trading at a P/E of -1.8x. This is at the 50th percentile of its historical P/E range. Compare with industry peers and growth rates for a complete picture.

What are Alector, Inc.'s profit margins?

Alector, Inc. has -741.3% operating margin.

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