Castellum
Federal cyber, electronic-warfare, engineering, and mission-support contractor.
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Profile
Provides cybersecurity, electronic and information warfare, engineering, IT, and mission-support services to government customers. Revenue chiefly comes from cleared professionals executing U.S. government prime contracts and subcontracts.
Delivers federal technology services through five capability groups: Digital Solutions; C4ISR, Cyber & Space; Engineering Services; IT Services; and Mission Support. Work spans software and infrastructure modernization, cyber and electronic warfare, systems engineering, secure IT, logistics, intelligence, training, and information-operations support.
Serves primarily U.S. government agencies and departments through Corvus Consulting, SSI, and GTMR, with substantial Navy and NAVAIR exposure. Revenue comes chiefly from prime contracts and subcontracts that supply cleared personnel, technical expertise, program execution, and deliverables under cost-plus-fixed-fee, firm-fixed-price, and time-and-materials arrangements.
Execution depends on winning and retaining government contracts, appropriations and agency funding, teaming partners, and a workforce able to meet required security-clearance and technical qualifications. Its largest contracts account for more than half of revenue.
Company facts
Key statistics
Year to date −38.7% · Average volume (30d) 1.2M
Analysts
No analyst consensus on record.
Earnings
EPS
Revenue
History
| Report date | EPS est | EPS | Surprise | Revenue est | Revenue | Surprise | Next session |
|---|---|---|---|---|---|---|---|
| Aug 6, 2026Q2 FY26 | $0.01 | −$0.01 | −200.0% | $16.0M | $13.9M | −13.3% | −22.76% |
| May 8, 2026Q1 FY26 | $0.01 | $0.00 | −140.0% | $13.1M | $14.3M | +9.1% | −3.37% |
| Mar 9, 2026Q4 FY25 | $0.01 | −$0.01 | −200.0% | $14.2M | $12.6M | −11.3% | −1.17% |
| Nov 7, 2025Q3 FY25 | — | $0.00 | — | $14.2M | $14.6M | +2.9% | +1.67% |
Financial highlights
| 11 quarters | Q1 FY25 | Q2 FY25 | Q3 FY25 | Q4 FY25 | Q1 FY26 | Q2 FY26 | |
|---|---|---|---|---|---|---|---|
| Revenue | $11.7M | $14.0M | $14.6M | $12.6M | $14.3M | $13.9M | |
| Gross profit | $4.6M | $5.1M | $5.5M | $4.3M | $5.1M | $4.7M | |
| Operating income | −$1.5M | −$383.5K | $445.3K | −$1.4M | −$698.0K | −$1.1M | |
| Net income | −$1.2M | −$322.1K | $415.4K | −$1.3M | −$351.3K | −$1.0M | |
| Diluted EPS | −$0.02 | −$0.00 | $0.00 | −$0.01 | −$0.00 | −$0.01 | |
| Gross margin | 39.0% | 36.1% | 37.6% | 33.9% | 35.4% | 34.0% | |
| Operating margin | -12.7% | -2.7% | 3.0% | -11.1% | -4.9% | -7.9% |
Fiscal years (4-quarter sums)FY24 $44.8M · FY25 $52.9M
Balance sheet, Jun 30, 2026Cash & short-term investments $16.9M · Total debt $958.9K · Total assets $41.8M · Shareholders' equity $35.9M
Dividends
No dividends on record.
Ownership
Shares outstanding 94.70M · Float 74.43M · 78.6% free float
Top shareholders13F · 13D/G · Form 4
| Holder | Shares | % outstanding | Form | Filed |
|---|---|---|---|---|
| Vanguard Capital Management LLC | 3.08M | 3.25% | 13F | May 15, 2026 |
| Geode Capital Management, LLC | 944.9K | 1.00% | 13F | May 15, 2026 |
| Meridian Wealth Management, LLC | 785.8K | 0.83% | 13F | May 6, 2026 |
| Captrust Financial Advisors | 626.1K | 0.66% | 13F | May 15, 2026 |
| Vanguard Fiduciary Trust Co | 418.3K | 0.44% | 13F | May 8, 2026 |
Insider tradesForm 4
Nothing filed in the last 12 months.
View detailsPeers
- CACI
Direct rival in electronic warfare, C4ISR integration, and secure software.
- Leidos
Large federal rival in C4ISR, cyber, mission software, and engineering.
- Booz Allen Hamilton
Federal cyber and digital-modernization rival with defense mission engineering.
- Northrop Grumman
Mission-systems rival in Navy EW, C4ISR, cyber, and systems engineering.
CompareAfter-hours close
| Company | Price | Change | |||||
|---|---|---|---|---|---|---|---|
| Castellum | $0.6170 | +2.66% | $57.5M | — | 20.0 | 1.0 | −1.1% |
| CACI | $623.04 | −0.96% | $13.88B | 26.0 | 19.1 | 1.5 | +17.6% |
| Leidos | $141.00 | +0.31% | $17.69B | 13.1 | 11.6 | 1.0 | +7.2% |
| Booz Allen Hamilton | $75.24 | −0.05% | $9.05B | 11.8 | 12.0 | 0.8 | −4.2% |
| Northrop Grumman | $546.65 | +0.20% | $77.51B | 17.3 | 18.6 | 1.8 | +5.1% |
| Median | 15.2 | 15.3 | 1.2 | +6.1% |