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Side-by-side financial comparison of Altimmune, Inc. (ALT) and Vir Biotechnology, Inc. (VIR). Click either name above to swap in a different company.
Vir Biotechnology, Inc. is the larger business by last-quarter revenue ($240.0K vs $26.0K, roughly 9.2× Altimmune, Inc.). On growth, Altimmune, Inc. posted the faster year-over-year revenue change (420.0% vs -89.9%). Altimmune, Inc. produced more free cash flow last quarter ($-67.5M vs $-167.9M). Over the past eight quarters, Altimmune, Inc.'s revenue compounded faster (128.0% CAGR vs -88.0%).
Altimmune, Inc. is a clinical-stage biopharmaceutical company focused on developing innovative immunotherapies, vaccines, and peptide-based therapies. Its pipeline covers infectious disease prevention, liver disease treatments, and metabolic disorder therapies, serving global biopharmaceutical and healthcare markets while advancing candidates through clinical trials.
Vir Biotechnology, Inc. is a clinical-stage immunology company focused on developing innovative therapies and vaccines to address serious infectious diseases including COVID-19, hepatitis B, HIV, and influenza. It operates primarily in the global biopharmaceutical market, collaborating with leading industry partners to advance its pipeline of targeted immune-based solutions for patient populations worldwide.
ALT vs VIR — Head-to-Head
Income Statement — Q4 FY2025 vs Q3 FY2025
| Metric | | |
|---|---|---|
| Revenue | $26.0K | $240.0K |
| Net Profit | — | $-163.1M |
| Gross Margin | — | — |
| Operating Margin | — | -72267.9% |
| Net Margin | — | -67975.4% |
| Revenue YoY | 420.0% | -89.9% |
| Net Profit YoY | -18.0% | 23.7% |
| EPS (diluted) | — | $-1.17 |
Green = leading value per metric. Periods may differ when fiscal calendars don't align.
8-Quarter Revenue & Profit Trend
Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.
| Q4 25 | $26.0K | — | ||
| Q3 25 | $5.0K | $240.0K | ||
| Q2 25 | $5.0K | $1.2M | ||
| Q1 25 | $5.0K | $3.0M | ||
| Q4 24 | $5.0K | $12.4M | ||
| Q3 24 | $5.0K | $2.4M | ||
| Q2 24 | $5.0K | $3.1M | ||
| Q1 24 | $5.0K | $56.4M |
| Q4 25 | — | — | ||
| Q3 25 | $-19.0M | $-163.1M | ||
| Q2 25 | $-22.1M | $-111.0M | ||
| Q1 25 | $-19.6M | $-121.0M | ||
| Q4 24 | — | — | ||
| Q3 24 | $-22.8M | $-213.7M | ||
| Q2 24 | $-24.6M | $-138.4M | ||
| Q1 24 | $-24.4M | $-65.3M |
| Q4 25 | — | — | ||
| Q3 25 | — | — | ||
| Q2 25 | — | 99.1% | ||
| Q1 25 | — | — | ||
| Q4 24 | — | — | ||
| Q3 24 | — | 97.9% | ||
| Q2 24 | — | 98.3% | ||
| Q1 24 | — | 99.9% |
| Q4 25 | — | — | ||
| Q3 25 | -417180.0% | -72267.9% | ||
| Q2 25 | -458440.0% | -9754.3% | ||
| Q1 25 | -436300.0% | -4602.5% | ||
| Q4 24 | — | — | ||
| Q3 24 | -495340.0% | -9718.7% | ||
| Q2 24 | -534900.0% | -5158.7% | ||
| Q1 24 | -535880.0% | -142.0% |
| Q4 25 | — | — | ||
| Q3 25 | -380280.0% | -67975.4% | ||
| Q2 25 | -442920.0% | -9139.9% | ||
| Q1 25 | -391500.0% | -3989.6% | ||
| Q4 24 | — | — | ||
| Q3 24 | -456900.0% | -8979.7% | ||
| Q2 24 | -492800.0% | -4500.1% | ||
| Q1 24 | -487880.0% | -115.8% |
| Q4 25 | — | — | ||
| Q3 25 | $-0.21 | $-1.17 | ||
| Q2 25 | $-0.27 | $-0.80 | ||
| Q1 25 | $-0.26 | $-0.88 | ||
| Q4 24 | — | — | ||
| Q3 24 | $-0.32 | $-1.56 | ||
| Q2 24 | $-0.35 | $-1.02 | ||
| Q1 24 | $-0.34 | $-0.48 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $273.5M | $497.8M |
| Total DebtLower is stronger | $34.3M | — |
| Stockholders' EquityBook value | $224.9M | $796.1M |
| Total Assets | $279.9M | $1.0B |
| Debt / EquityLower = less leverage | 0.15× | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $273.5M | — | ||
| Q3 25 | $210.8M | $497.8M | ||
| Q2 25 | $183.1M | $598.7M | ||
| Q1 25 | $149.8M | $790.9M | ||
| Q4 24 | $131.9M | $901.0M | ||
| Q3 24 | $139.4M | $909.0M | ||
| Q2 24 | $164.9M | $1.1B | ||
| Q1 24 | $182.0M | $1.1B |
| Q4 25 | $34.3M | — | ||
| Q3 25 | — | — | ||
| Q2 25 | — | — | ||
| Q1 25 | — | — | ||
| Q4 24 | — | — | ||
| Q3 24 | — | — | ||
| Q2 24 | — | — | ||
| Q1 24 | — | — |
| Q4 25 | $224.9M | — | ||
| Q3 25 | $185.6M | $796.1M | ||
| Q2 25 | $161.4M | $947.5M | ||
| Q1 25 | $142.2M | $1.0B | ||
| Q4 24 | $123.5M | $1.2B | ||
| Q3 24 | $133.4M | $1.2B | ||
| Q2 24 | $152.5M | $1.4B | ||
| Q1 24 | $172.9M | $1.5B |
| Q4 25 | $279.9M | — | ||
| Q3 25 | $218.4M | $1.0B | ||
| Q2 25 | $190.3M | $1.2B | ||
| Q1 25 | $157.3M | $1.3B | ||
| Q4 24 | $139.3M | $1.4B | ||
| Q3 24 | $147.9M | $1.5B | ||
| Q2 24 | $173.3M | $1.7B | ||
| Q1 24 | $188.4M | $1.8B |
| Q4 25 | 0.15× | — | ||
| Q3 25 | — | — | ||
| Q2 25 | — | — | ||
| Q1 25 | — | — | ||
| Q4 24 | — | — | ||
| Q3 24 | — | — | ||
| Q2 24 | — | — | ||
| Q1 24 | — | — |
Cash Flow & Capital Efficiency
How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.
| Metric | | |
|---|---|---|
| Operating Cash FlowLast quarter | $-67.5M | $-167.6M |
| Free Cash FlowOCF − Capex | $-67.5M | $-167.9M |
| FCF MarginFCF / Revenue | -259792.3% | -69952.9% |
| Capex IntensityCapex / Revenue | 42.3% | 132.1% |
| Cash ConversionOCF / Net Profit | — | — |
| TTM Free Cash FlowTrailing 4 quarters | — | $-824.0M |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $-67.5M | — | ||
| Q3 25 | $-11.9M | $-167.6M | ||
| Q2 25 | $-19.4M | $-120.2M | ||
| Q1 25 | $-16.8M | $-78.1M | ||
| Q4 24 | $-79.8M | $-446.4M | ||
| Q3 24 | $-27.1M | $-171.5M | ||
| Q2 24 | $-18.1M | $-77.8M | ||
| Q1 24 | $-16.4M | $-109.4M |
| Q4 25 | $-67.5M | — | ||
| Q3 25 | — | $-167.9M | ||
| Q2 25 | — | $-122.8M | ||
| Q1 25 | — | $-79.7M | ||
| Q4 24 | — | $-453.7M | ||
| Q3 24 | — | $-174.2M | ||
| Q2 24 | — | $-78.5M | ||
| Q1 24 | — | $-111.3M |
| Q4 25 | -259792.3% | — | ||
| Q3 25 | — | -69952.9% | ||
| Q2 25 | — | -10111.8% | ||
| Q1 25 | — | -2630.1% | ||
| Q4 24 | — | -3666.2% | ||
| Q3 24 | — | -7321.3% | ||
| Q2 24 | — | -2553.3% | ||
| Q1 24 | — | -197.4% |
| Q4 25 | 42.3% | — | ||
| Q3 25 | 0.0% | 132.1% | ||
| Q2 25 | — | 209.1% | ||
| Q1 25 | — | 53.7% | ||
| Q4 24 | — | 59.0% | ||
| Q3 24 | — | 116.3% | ||
| Q2 24 | — | 21.7% | ||
| Q1 24 | — | 3.3% |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
