Latest Ratios: P/E Ratio -2.8x · EV/EBITDA N/A · ROE -50.6%. (2005–2025 historical series)
Price-based multiples — how expensive the stock is relative to earnings, sales, book value, and cash flow
| Metric | TTM | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 | FY 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Market Cap | $249M | $318M | $512M | $599M | $772M | $378M | $289M | $25M | $6M | $25M | — |
| Enterprise Value | $241M | $310M | $477M | $465M | $662M | $189M | $175M | $18M | $-27373036 | $17M | — |
| P/E Ratio → | -2.82 | — | — | — | — | — | — | — | — | — | — |
| P/S Ratio | 6070.38 | 7757.46 | 25596.73 | 1406.17 | — | 85.75 | 35.33 | 4.28 | 0.56 | 613.98 | — |
| P/B Ratio | 1.10 | 1.41 | 4.14 | 3.09 | 4.17 | 1.90 | 1.28 | 0.54 | 0.12 | 0.52 | — |
| P/FCF | — | — | — | — | — | — | — | — | — | — | — |
| P/OCF | — | — | — | — | — | — | — | — | — | — | — |
P/E links to full P/E history page with 30-year chart
Enterprise-value multiples — capital-structure-neutral measures of total business value
| Metric | TTM | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 | FY 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| EV / Revenue | — | 7560.58 | 23834.48 | 1090.57 | — | 42.95 | 21.39 | 3.03 | -2.65 | 403.88 | — |
| EV / EBITDA | — | — | — | — | — | — | — | — | — | — | — |
| EV / EBIT | — | — | — | — | — | — | — | — | — | — | — |
| EV / FCF | — | — | — | — | — | — | — | — | — | — | — |
Margins and return-on-capital ratios measuring operating efficiency
Full margin charts and quarterly trend are on the Earnings History page
| Metric | TTM | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 | FY 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Gross Margin | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | -309.4% | 100.0% | -78.7% | -44249.4% | -38.1% |
| Operating Margin | -230461.0% | -230461.0% | -515860.0% | -22518.5% | 129029.4% | -2197.6% | -669.5% | -370.0% | -414.6% | -125401.2% | -215.4% |
| Net Profit Margin | -214861.0% | -214861.0% | -475295.0% | -20762.2% | 124577.9% | -2201.6% | -599.2% | -353.7% | -379.2% | -111860.3% | 3706.4% |
| Metric | TTM | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 | FY 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| ROE | -50.6% | -50.6% | -59.9% | -46.6% | -44.1% | -45.7% | -36.1% | -43.7% | -80.8% | -136.3% | 1073.7% |
| ROA | -42.0% | -42.0% | -54.3% | -42.4% | -39.8% | -41.9% | -32.8% | -37.7% | -66.5% | -32.3% | 158.5% |
| ROIC | -46.5% | -46.5% | -104.6% | -106.6% | -153.6% | -119.0% | -54.8% | -60.2% | -116.6% | -97.7% | — |
| ROCE | -48.0% | -48.0% | -63.0% | -49.4% | -44.9% | -44.7% | -38.7% | -42.8% | -78.3% | -131.6% | -59.9% |
Solvency and debt-coverage ratios — lower is generally safer
| Metric | TTM | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 | FY 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Debt / Equity | 0.16 | 0.16 | 0.01 | 0.00 | 0.01 | 0.01 | 0.01 | 0.04 | 0.01 | 0.00 | 0.05 |
| Debt / EBITDA | — | — | — | — | — | — | — | — | — | — | — |
| Net Debt / Equity | — | -0.04 | -0.29 | -0.69 | -0.59 | -0.95 | -0.51 | -0.16 | -0.69 | -0.18 | -7.86 |
| Net Debt / EBITDA | — | — | — | — | — | — | — | — | — | — | — |
| Debt / FCF | — | — | — | — | — | — | — | — | — | — | -0.76 |
| Interest Coverage | -53.26 | -53.26 | -10561.11 | -2526.06 | -10612.75 | -19417.00 | -4090.20 | -9169.51 | -151.55 | -320.11 | -286.98 |
Net cash position: cash ($44M) exceeds total debt ($36M)
Short-term solvency ratios and asset-utilisation metrics
| Metric | TTM | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 | FY 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Current Ratio | 18.55 | 18.55 | 13.11 | 17.26 | 11.31 | 11.17 | 19.16 | 10.04 | 8.70 | 6.11 | 1.09 |
| Quick Ratio | 18.55 | 18.55 | 13.11 | 17.26 | 11.31 | 11.17 | 19.16 | 10.04 | 8.70 | 5.19 | 1.09 |
| Cash Ratio | 18.23 | 18.23 | 12.60 | 16.29 | 10.84 | 10.41 | 17.96 | 9.49 | 7.45 | 2.28 | 1.08 |
| Asset Turnover | — | 0.00 | 0.00 | 0.00 | -0.00 | 0.02 | 0.03 | 0.11 | 0.19 | 0.00 | 0.02 |
| Inventory Turnover | — | — | — | — | — | — | — | — | — | 5.21 | — |
| Days Sales Outstanding | — | 15463.54 | 56885.25 | 4158.09 | -13639.19 | 483.27 | 551.76 | 103.83 | 157.96 | 89422.02 | 69.73 |
Earnings, FCF, buyback, and dividend yields — total returns to shareholders
Full dividend history and growth charts are on the Dividend History page
| Metric | TTM | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 | FY 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dividend Yield | — | — | — | — | — | — | — | — | — | — | — |
| Payout Ratio | — | — | — | — | — | — | — | — | — | — | — |
| Metric | TTM | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 | FY 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Earnings Yield | — | — | — | — | — | — | — | — | — | — | — |
| FCF Yield | — | — | — | — | — | — | — | — | — | — | — |
| Buyback Yield | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 41.3% | 0.0% | — |
| Total Shareholder Yield | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 41.3% | 0.0% | — |
| Shares Outstanding | — | $88M | $71M | $53M | $47M | $41M | $26M | $13M | $3M | $426832 | $230382 |
Imminent dilutive capital raise
According to current market data, Altimmune trades at a price-to-sales ratio exceeding 6,000x, a figure that, as noted in financial disclosures, is essentially meaningless given the company's pre-revenue status and reliance on non-recurring grant income rather than sustainable commercial product sales to drive long-term valuation.
The extreme P/S multiple suggests that investors are pricing the company purely as a call option on the success of the pemvidutide program rather than on any fundamental financial performance. This valuation appears highly sensitive to clinical trial sentiment, as the lack of commercial revenue renders traditional earnings-based multiples like P/E or EV/EBITDA inapplicable for assessing the firm's intrinsic value.
Based on reported financial figures, Altimmune's ROIC has remained consistently negative, reaching -8.3% in 2026Q1, which underscores the substantial capital intensity required to advance its metabolic pipeline without the benefit of offsetting commercial revenue or established operational efficiencies to improve capital productivity.
The persistent decay in returns on invested capital is a direct consequence of the company's high R&D burn rate relative to its asset base. Investors should monitor whether future clinical milestones can catalyze a shift toward positive returns, though current trends suggest that capital is being consumed at a rate that outpaces the company's ability to generate value.
As reported in quarterly filings, the company's asset turnover remains effectively at zero, reflecting a business model that, according to recent data, has yet to transition from a clinical-stage research entity to a commercial operation capable of generating meaningful revenue from its intellectual property assets.
The lack of meaningful asset turnover highlights the company's dependence on external financing rather than operational cash generation. The erratic nature of working capital metrics, such as the significant fluctuations in accounts payable, suggests that management is actively managing cash outflows to align with clinical trial enrollment milestones.
Based on the provided balance sheet data, Altimmune has increased its total debt to $35.8M as of 2026Q1, a shift that, according to recent financial statements, indicates a growing reliance on debt-based financing to supplement equity raises as the company funds its late-stage clinical development programs.
While the debt-to-equity ratio remains relatively low, the trend toward increasing leverage in a pre-revenue environment warrants caution. The company's inability to generate positive interest coverage suggests that any further debt accumulation could place significant strain on the balance sheet if clinical timelines are delayed or capital markets tighten.
As indicated by the company's financial history, the most commonly misapplied metric for Altimmune is the gross margin, which, at a reported 100%, obscures the reality that the firm lacks a commercial product and is instead incurring massive R&D costs to sustain its clinical pipeline.
Analysts should prioritize the net burn rate and cash runway over traditional profitability ratios like gross or operating margins, which are distorted by the absence of COGS. Focusing on these accounting-based margins may lead to a false sense of operational efficiency that does not exist in the current pre-revenue clinical stage.
Includes 30+ ratios · 21 years · Updated daily
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Quick answers to the most common questions about buying ALT stock.
Altimmune, Inc.'s current P/E ratio is -2.8x. This places it at the 50th percentile of its historical range.
Altimmune, Inc.'s return on equity (ROE) is -50.6%. The historical average is -89.0%.
Based on historical data, Altimmune, Inc. is trading at a P/E of -2.8x. This is at the 50th percentile of its historical P/E range. Compare with industry peers and growth rates for a complete picture.
Altimmune, Inc. has 100.0% gross margin and -230461.0% operating margin.