Castellum, Inc. (CTM) stock
Close on Nov 11, 2026Market cap $47.36MP/E –Yield –
Castellum, Inc. grew revenue 9.5% to $55.42M over the twelve months to Sep 30, 2026. Free cash flow was $366.94K. At the latest close the market valued the company at $47.36M.
Key statistics
Valuation at the latest close; fundamentals over the trailing twelve months, balances at Sep 30, 2026
Valuation
- Market cap
- $47.36M
- P/E ratio
- –
- Price to sales
- 0.85
- Price to book
- 1.30
- Dividend yield
- –
- Free cash flow yield
- 0.77%
Fundamentals
- Revenue
- $55.42M
- Net income
- -$3.15M
- EPS, diluted
- -$0.03
- Free cash flow
- $366.94K
- Book value per share
- $0.38
- Diluted shares
- 95M
Trading
- Next earnings
- Mar 4, 2027 (estimated, after the close)
- Previous close
- $0.45
- Open
- $0.52
- Day's range
- $0.48 – $0.53
- Volume
- 1,245,372
- Average volume (20 days)
- 634,607
- Beta (5 years)
- 0.55
- 52-week range
- $0.34 – $1.24
- RSI (14 days)
- 47.4
- Volatility (1 year)
- 72.4%
- Relative volume
- 1.58×
- WACC
- 7.6%
Market cap history
Month-end market cap since 2021, using shares outstanding reported at the time
Total return vs. the S&P 500
Price change plus reinvested dividends, to the close on Nov 11, 2026. The S&P 500 is measured by the SPY fund.
| Period | CTM | S&P 500 | Difference | CTM per year | S&P 500 per year |
|---|---|---|---|---|---|
| 1 month | -19.7% | -2.4% | −17.3 pts | ||
| 3 months | -17.4% | -1.2% | −16.3 pts | ||
| Year to date | -44.7% | +12.3% | −57.0 pts | ||
| 1 year | -58.0% | +12.4% | −70.5 pts | ||
| 3 years | +42.8% | +78.8% | −36.0 pts | +12.6% | +21.4% |
| 5 years | -87.6% | +75.2% | −162.8 pts | -34.2% | +11.9% |
Seven years at a glance
Fiscal years 2019 to 2025 and trailing twelve months, USD
Revenue
Gross profit
Operating income
Net income
EPS, diluted
Free cash flow
Press releases
Releases Castellum filed with the SEC as exhibits to Form 8-K or 6-K
- News
- Results
- News
- News
- News
- News
About Castellum
Services-Management Consulting Services
Castellum is a technology services, solutions, and products company serving the defense, federal civilian, and commercial markets. The company provides services in cybersecurity, information technology, electronic warfare, information warfare, system modernization, and information operations. Its capabilities span software engineering, intelligence analysis, program management, data analytics, and model-based systems engineering. Castellum operates across five primary market areas: Digital Solutions, C4ISR, Cyber & Space, Engineering Services, IT Services, and Mission Support. Its primary customers are agencies and departments of the United States government, including the military services, combatant commands, intelligence agencies, and federal civilian departments, alongside state, local, and commercial clients.
Company profile, executives and historyCastellum stock: common questions
What is Castellum's stock price?
CTM closed at $0.50 on Nov 11, 2026, up 11.02% on the day. Over the past 52 weeks it traded between $0.34 and $1.24.
What is Castellum's market cap?
Castellum was worth $47.36M at the close on Nov 11, 2026: the share price times the diluted shares outstanding.
What is CTM's P/E ratio?
Castellum lost money over the twelve months to Sep 30, 2026 (diluted EPS -$0.03), so it has no meaningful P/E ratio.
How much revenue does Castellum make?
Castellum reported revenue of $55.42M for the twelve months to Sep 30, 2026, up 9.5% from a year earlier.
Does Castellum pay a dividend?
No. Castellum has not paid a cash dividend over the last twelve months.
When does Castellum report earnings next?
Castellum is expected to report Q4 FY2026 results on Mar 4, 2027, after the close. The date is estimated from its past reporting pattern until the company confirms it.
How has CTM stock performed over the past year?
Including dividends, CTM returned -58.0% over the past year, against +12.4% for the S&P 500.
How many CTM shares are sold short?
6M shares were sold short at the latest FINRA report, 8.55% of the float, or 15.7 days of average trading volume.
Who are Castellum's competitors?
Companies most similar to Castellum by business, industry and size include AERT, TSSI, CISO, MHH, CFOR.
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