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Altimmune, Inc. (ALT) Stock Fundamental Analysis & AI Rating 2026

ALT Nasdaq Pharmaceutical Preparations DE CIK: 0001326190
Updated This Month • Analysis: Mar 19, 2026 • SEC Data: 2025-12-31
Combined AI Rating
SELL
90% Confidence
AGREEMENT
STRONG SELL
95% Conf
SELL
86% Conf

📊 ALT Key Takeaways

Revenue: $41.0K
Net Margin: -214,861.0%
Free Cash Flow: $-67.5M
Current Ratio: 18.55x
Debt/Equity: 0.15x
EPS: $-1.00
AI Rating: STRONG SELL with 95% confidence
Altimmune, Inc. (ALT) receives a SELL rating with 90% confidence from our AI fundamental analysis based on SEC 10-K filings. With revenue of $41.0K, net profit margin of -214,861.0%, and return on equity (ROE) of -39.2%, Altimmune, Inc. demonstrates mixed fundamentals in the Healthcare sector. Below is our complete ALT stock analysis for 2026.

Is Altimmune, Inc. (ALT) a Good Investment?

Claude

Altimmune is a pre-revenue stage biopharmaceutical company with severe financial distress, burning $67.5M in annual operating cash flow against only $43.8M in cash reserves. The company generated minimal revenue ($41K) with catastrophic operating losses of $94.5M, indicating no viable commercialized products and unsustainable cash burn rate that threatens near-term viability. Without significant funding or breakthrough clinical results, the company faces acute liquidity risk within 12 months.

ChatGPT

Altimmune’s fundamentals reflect a clinical-stage biotech with negligible revenue, deeply negative margins, and substantial operating and free cash flow burn, so the business is not yet financially self-sustaining. The balance sheet is currently a relative strength, with high liquidity, modest leverage, and meaningful equity, but the present cash position appears light versus the annual burn rate. Growth quality is weak because the reported revenue increase is from a very small base and does not offset persistent losses.

Why Buy Altimmune, Inc. Stock? ALT Key Strengths

Claude
  • + Strong balance sheet structure with low debt-to-equity ratio of 0.15x limiting leverage risk
  • + Adequate equity cushion of $224.9M providing some runway for operations
  • + High liquidity ratios (18.55x current ratio) for near-term obligation coverage
ChatGPT
  • + Strong near-term liquidity with current and quick ratios of 18.55x
  • + Low leverage with debt/equity of 0.15x and substantial equity of $224.89M
  • + Asset base remains solid relative to liabilities, supporting financial flexibility

ALT Stock Risks: Altimmune, Inc. Investment Risks

Claude
  • ! Catastrophic cash burn of $67.5M annually with only $43.8M cash on hand creates imminent liquidity crisis
  • ! Virtually no revenue generation ($41K) indicates no commercialized products or market traction
  • ! Operating losses of $94.5M with negative operating margin of -230,461% demonstrate fundamental unprofitability
ChatGPT
  • ! Extremely weak profitability with operating loss of $94.49M and net loss of $88.09M
  • ! Cash burn is high, with operating cash flow of -$67.53M and free cash flow of -$67.55M
  • ! Revenue base is immaterial at $41K, making growth quality poor and increasing dependence on external funding

Key Metrics to Watch

Claude
  • * Monthly cash burn rate and cash runway duration
  • * Clinical trial progress and FDA approval milestones
  • * Quarterly revenue growth from potential product launches
ChatGPT
  • * Cash runway versus operating cash burn
  • * Progression of R&D-driven losses relative to any meaningful revenue generation

Altimmune, Inc. (ALT) Financial Metrics & Key Ratios

Revenue
$41.0K
Net Income
$-88.1M
EPS (Diluted)
$-1.00
Free Cash Flow
$-67.5M
Total Assets
$279.9M
Cash Position
$43.8M

💡 AI Analyst Insight

Strong liquidity with a 18.55x current ratio provides a solid financial cushion.

ALT Profit Margin, ROE & Profitability Analysis

Gross Margin N/A
Operating Margin -230,461.0%
Net Margin -214,861.0%
ROE -39.2%
ROA -31.5%
FCF Margin -164,746.3%

ALT vs Healthcare Sector: How Altimmune, Inc. Compares

How Altimmune, Inc. compares to Healthcare sector averages

Net Margin
ALT -214,861.0%
vs
Sector Avg 12.0%
ALT Sector
ROE
ALT -39.2%
vs
Sector Avg 15.0%
ALT Sector
Current Ratio
ALT 18.5x
vs
Sector Avg 2.0x
ALT Sector
Debt/Equity
ALT 0.2x
vs
Sector Avg 0.6x
ALT Sector

Sector benchmarks are approximate industry averages. Actual sector performance may vary.

Is Altimmune, Inc. Stock Overvalued? ALT Valuation Analysis 2026

Based on fundamental analysis, Altimmune, Inc. has mixed fundamental signals relative to the Healthcare sector in 2026.

Return on Equity
-39.2%
Sector avg: 15%
Net Profit Margin
-214,861.0%
Sector avg: 12%
Revenue Growth
N/A
Year-over-year
Debt/Equity
0.15x
Sector avg: 0.6x

Note: This is a fundamental analysis based on SEC filings. For P/E ratio, price targets, and market-based valuation, consult financial data providers. This is not investment advice.

Altimmune, Inc. Balance Sheet: ALT Debt, Cash & Liquidity

Current Ratio
18.55x
Quick Ratio
18.55x
Debt/Equity
0.15x
Debt/Assets
19.7%
Interest Coverage
-94,489.00x
Long-term Debt
$34.3M

ALT Revenue & Earnings Growth: 5-Year Financial Trend

ALT 5-year financial data: Year 2018: Revenue $10.7M, Net Income N/A, EPS N/A. Year 2019: Revenue $10.3M, Net Income N/A, EPS N/A. Year 2020: Revenue $8.2M, Net Income N/A, EPS N/A. Year 2021: Revenue $8.2M, Net Income -$49.0M, EPS $-1.91.
Revenue
Net Income
EPS (right axis)

5-Year Trend Summary: Altimmune, Inc.'s revenue has declined by 24% over the 5-year period, indicating business contraction. The most recent EPS of $-1.34 indicates the company is currently unprofitable.

ALT Revenue Growth, EPS Growth & YoY Performance

Revenue Growth
N/A
Year-over-year
Net Income Growth
N/A
Year-over-year
EPS Growth
N/A
Earnings per share
FCF Margin
-164,746.3%
Free cash flow / Revenue

ALT Quarterly Earnings & Performance

Quarterly financial performance data for Altimmune, Inc. including revenue, net income, and earnings per share.
Quarter Revenue Net Income EPS
Q3 2025 $5.0K -$19.0M $-0.21
Q2 2025 $5.0K -$19.6M $-0.27
Q1 2025 $5.0K -$19.6M $-0.26
Q3 2024 $5.0K -$16.1M $-0.32
Q2 2024 $5.0K -$16.1M $-0.32
Q1 2024 $5.0K -$20.1M $-0.34
Q3 2023 $2.0K -$16.1M $-0.39
Q2 2023 $6.0K -$16.1M $-0.32

Data sourced from SEC EDGAR 10-Q quarterly filings. Figures may represent quarterly or cumulative values.

Altimmune, Inc. Dividends, Buybacks & Capital Allocation

Operating Cash Flow
-$67.5M
Cash generated from operations
Capital Expenditures
$11.0K
Investment in assets
Dividends Paid
$200.3M
Returned to shareholders

ALT SEC Filings: Latest 10-K & 10-Q Analysis

Access official SEC EDGAR filings for Altimmune, Inc. (CIK: 0001326190)

📋 Recent SEC Filings

Date Form Document Action
Apr 6, 2026 4 xslF345X06/form4-04062026_040403.xml View →
Apr 1, 2026 4 xslF345X06/form4-04012026_040406.xml View →
Apr 1, 2026 4 xslF345X06/form4-04012026_040404.xml View →
Mar 17, 2026 DEF 14A alt-20260416xdef14a.htm View →
Mar 9, 2026 4 xslF345X05/form4-03092026_070301.xml View →

Frequently Asked Questions about ALT

What is the AI rating for ALT?

Altimmune, Inc. (ALT) has a Combined AI Rating of SELL from Claude (STRONG SELL) and ChatGPT (SELL) with 90% combined confidence, based on fundamental analysis of SEC EDGAR filings.

What are ALT's key strengths?

Claude: Strong balance sheet structure with low debt-to-equity ratio of 0.15x limiting leverage risk. Adequate equity cushion of $224.9M providing some runway for operations. ChatGPT: Strong near-term liquidity with current and quick ratios of 18.55x. Low leverage with debt/equity of 0.15x and substantial equity of $224.89M.

What are the risks of investing in ALT?

Claude: Catastrophic cash burn of $67.5M annually with only $43.8M cash on hand creates imminent liquidity crisis. Virtually no revenue generation ($41K) indicates no commercialized products or market traction. ChatGPT: Extremely weak profitability with operating loss of $94.49M and net loss of $88.09M. Cash burn is high, with operating cash flow of -$67.53M and free cash flow of -$67.55M.

What is ALT's revenue and growth?

Altimmune, Inc. reported revenue of $41.0K.

Does ALT pay dividends?

Altimmune, Inc. pays dividends, with $200.3M distributed to shareholders in the trailing twelve months.

Where can I find ALT SEC filings?

Official SEC filings for Altimmune, Inc. (CIK: 0001326190) including 10-K, 10-Q, and 8-K reports are available on SEC EDGAR.

What is ALT's EPS?

Altimmune, Inc. has a diluted EPS of $-1.00.

How is the AI analysis conducted?

Two independent AI systems — Claude (Anthropic) and ChatGPT (OpenAI) — analyze SEC EDGAR filings including 10-K annual reports and 10-Q quarterly reports. Each AI evaluates financial health, profitability ratios, balance sheet strength, and growth metrics. The combined rating reflects both perspectives for balanced insights.

Is ALT a good stock to buy right now?

Based on our AI fundamental analysis in April 2026, Altimmune, Inc. has a SELL rating with 90% confidence. Review the strengths and risks sections above before making a decision. This is not investment advice.

Is ALT stock overvalued or undervalued?

Valuation metrics for ALT: ROE of -39.2% (sector avg: 15%), net margin of -214,861.0% (sector avg: 12%). Compare these metrics with sector averages to assess valuation.

Should I buy ALT stock in 2026?

Our dual AI analysis gives Altimmune, Inc. a combined SELL rating for 2026. Revenue is data pending, with profitability at or below sector average. Always conduct your own research.

What is ALT's free cash flow?

Altimmune, Inc.'s operating cash flow is $-67.5M, with capital expenditures of $11.0K. FCF margin is -164,746.3%.

How does ALT compare to other Healthcare stocks?

Vs Healthcare sector averages: Net margin -214,861.0% (avg: 12%), ROE -39.2% (avg: 15%), current ratio 18.55 (avg: 2).

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Disclaimer: This analysis is generated by Claude AI (Anthropic) and ChatGPT (OpenAI) based on publicly available SEC EDGAR filings. It does not include stock price data and should not be considered financial advice. All fundamental data is sourced from SEC public domain filings. Always conduct your own research and consult with a qualified financial advisor before making investment decisions.
Data Source: SEC EDGAR | Analysis Date: Mar 19, 2026 | Data as of: 2025-12-31 | Powered by Claude AI