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ALEC
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ALECAlector, Inc.
$2.29$254M
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  4. Financial Ratios

Alector, Inc. (ALEC) Financial Ratios

Latest Ratios: P/E Ratio 6.2x · EV/EBITDA 5.7x · ROE -181.6%. (2016–2025 historical series)

Income StatementBalance SheetCash FlowRatios
AnnualQuarterly

ALEC Valuation Multiples

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

MetricTTMFY 2025FY 2024FY 2023FY 2022FY 2021FY 2020FY 2019FY 2018FY 2017FY 2016
Market Cap$254M$161M$183M$668M$761M$1.7B$1.2B$1.1B———
Enterprise Value$225M$131M$192M$633M$650M$1.4B$1.2B$1.0B———
P/E Ratio →6.15——————————
P/S Ratio1.477.631.826.885.708.0255.7650.13———
P/B Ratio7.705.241.444.983.555.524.405.46———
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 / EBITDA5.72——————————
EV / EBIT———————————
EV / FCF—————4.67—————

ALEC Profitability

Margins and return-on-capital ratios measuring operating efficiency

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 Margin54.1%54.1%-84.9%90.9%100.0%8.5%-643.5%-373.8%-163.9%-700.8%-3187.0%
Operating Margin-692.8%-692.8%-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-159.2%-159.2%-92.6%-112.7%-168.6%-19.5%-69.4%————
ROCE-51.4%-51.4%-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

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

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

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 Yield16.3%——————————
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

Key Metrics

Growth RegimeContracting
ProfitabilityWeak
Balance SheetVulnerable
Cash FlowBurning
Top Statement Risk

Cash runway against collapsed revenue base

Verified Source

Metrics are mathematically derived from official filings.

SEC 10-K (2026Q2)

P/S of 11x on an Imploding Revenue Base

At 11.08x sales and 7.06x book with a negative 1.51 P/E, Alector's valuation appears detached from operating reality as quarterly revenue imploded from $54.2M to $3.3M, per recent SEC filings, implying the market prices pipeline optionality rather than reported economics.

The 11.08x P/S should be read against the denominator's collapse rather than as a rich multiple on a growing franchise; on annualized 2026Q2 revenue the effective multiple is materially higher still, so any re-rating depends almost entirely on pipeline events, not operating delivery. The 7.06x price-to-book is more troubling than it first appears, since book equity has already inverted to -$10.0M, which means the multiple is anchoring on an asset base that accumulated losses have consumed. Compared to profitable peer ACAD at 8.81x earnings and 10% ROIC, ALEC screens as a pure event-driven holding with no fundamental floor from current operations.

Gross Margin Volatility Obscures Real Losses

Alector's operating margin swung from -2.8% in 2024Q1 to -24.1% in 2026Q1 before recovering to -7.3%, a volatility driven by revenue collapse rather than cost discipline, even after R&D was cut 64%, based on ALEC's reported quarterly statements.

The gross margin prints of 85.6%, -99.2%, and 100.0% across the window are not a margin trend but an accounting artifact of near-zero revenue colliding with variable cost recognition, which suggests gross margin is analytically useless here and operating margin is the only interpretable line. That operating margin improved to -7.3% in 2026Q2 despite $3.3M of revenue appears to reflect a quarter of depressed cost recognition rather than structural improvement, and warrants monitoring against the prior quarter's -$24M operating loss. The most honest read of earning power is the cumulative loss base: roughly -$308M of net losses over ten quarters against an asset base now at $202.9M, a burn intensity that no margin expansion in the reported data offsets.

Returns Decay as the Capital Base Vanishes

Return on equity has decayed from -23.0% in 2024Q1 to -111.6% in 2026Q2 while return on assets slipped to -10.4%, and ROIC has gone unreported in recent quarters, suggesting no emerging engine of capital compounding, per Alector's filings.

The ROE trajectory is a compounding-decay signal rather than a leverage story: as the equity denominator eroded from $178.9M to -$10.0M, the ratio mechanically worsened, so the -111.6% print reflects capital destruction more than operating leverage. With asset turnover pinned near 0.01 and near-zero capex, there is essentially no productive asset base generating returns, which means any recovery in ROIC would have to come from revenue re-emerging on programs already funded, not from efficiency gains. Investors should note that the disappearance of recent ROIC data removes the one metric that would distinguish a pipeline-assets company still deploying capital effectively from one that is simply liquidating.

Debt-to-Equity Spike Is an Equity Artifact

Debt-to-equity has leapt from 0.21 to 3.33 without incremental borrowing, since total debt holds near $32.8M, a mechanical consequence of equity inverting to -$10.0M, per Alector's balance sheet, which makes coverage and leverage optics misleading as solvency tests.

The leverage ratio deterioration is entirely denominator-driven, so it should not be read as evidence of aggressive financing behavior; absolute debt has stayed modest and no interest coverage figure is reported, which likely reflects debt service small enough relative to other claims that coverage is not a binding constraint. The real credit question is whether the $32.8M of debt carries covenants or maturity triggers tied to equity or minimum liquidity, since a negative equity position can convert a small, well-laddered facility into a refinancing risk faster than the debt quantum suggests. Deferred revenue falling 41% to $162.9M compounds the concern, because it implies the collaboration obligations that historically funded operations are drawing down without evidenced replacement.

P/E Misreads Pre-Revenue Biotech Economics

The P/E of -1.51 is the most misapplied ratio for Alector's business model, since negative earnings render it meaningless for a pre-profit biotech whose value rests on clinical optionality, not current-period income, and whose book equity has already inverted to -$10.0M.

A negative P/E compresses toward zero as losses widen, which inverts the usual intuition — ALEC screens cheapest precisely as fundamentals deteriorate most, obscuring the fact that the loss base, not the earnings base, is what the market is underwriting. The better lens is cash runway against pipeline milestones: with quarterly FCF burn of -$34.2M, roughly -$158M of cumulative outflows over four quarters, and an asset base of $202.9M that has contracted 68%, the operative question is whether programs can reach value-inflecting data before liquidity thins. Investors should also discount the current ratio of 5.26 as a safety signal, since that apparent cushion sits atop negative equity and a working capital pattern that has consumed cash in every quarter of the observed period.

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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 6.2x. This places it at the 50th percentile of its historical range.

What is Alector, Inc.'s EV/EBITDA?

Alector, Inc.'s current EV/EBITDA is 5.7x. This enterprise value multiple compares the company's total value (equity + debt - cash) to its EBITDA.

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 6.2x. 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 54.1% gross margin and -692.8% operating margin.