Castellum, Inc. (CTM) is a Technology stock trading at $0.58 (as of 2026-09-02), with a market capitalization of $54.94M. Figures are sourced from first-party U.S. SEC EDGAR filings and market data.
Castellum, Inc. provides cybersecurity and information technology services, including intelligence analysis, software development and engineering, program management, mission and strategic planning, information assurance, and data analytics. Its work supports government and enterprise customers, including those in federal, financial services, and healthcare sectors.
Understand Castellum, Inc.: how it makes money
Castellum provides cybersecurity, information warfare, and IT services to the U.S. federal government and a handful of commercial clients, earning revenue through fixed-price and task-order contracts. It is a small subcontractor transitioning to prime contractor in defense IT, where contract wins and government funding cycles set the pace of revenue.
Revenue is gated by government procurement: Castellum must win contracts, wait for appropriations and funding actions, then deliver under fixed-price terms that leave little margin for schedule slippage.
Business quality (Weak): Currently loss-making: 34% gross margin does not yet cover operating costs (operating margin negative 8%). The path to profitability depends on scaling prime-contract revenue without requiring dilutive financing.
Bull case
Multi-year prime contract base: Management highlighted three major prime contracts worth approximately $220 million with five-plus-year runways (Q2 FY26 call). This shifts Castellum from a subcontractor dependent on others' awards to a direct multi-year revenue source.
Pipeline signals demand upside: The qualified pipeline expanded to $953.5 million as business-development capacity increased (Q2 FY26 call). For a company in a revenue trough, a nearly $1 billion pipeline is the forward catalyst if even a fraction converts to orders.
Navy vehicle broadens access: A Navy logistics IT vehicle gives Castellum task-order access under a $250 million maximum program (Q2 FY26 call). This reduces reliance on a single customer and opens recurring, faster-turnaround work.
Bear case
Funding actions gate conversion: Management acknowledged that government funding actions control backlog conversion and create timing uncertainty (Q2 FY26 call). Even with a large pipeline, a sequestration or appropriations delay could leave the company waiting months for work to start.
Revenue still shrinking in transition: Revenue declined on winding down fixed-price contracts and lower subcontract volume (Q2 FY26 call), and operating margin sits at negative 8% during the gap. The company is between old work ending and new prime contracts scaling.
Thin cash buffer for gaps: Cash reached $16.9 million without new equity or debt in the first half, but management flagged that acquisition timing and cash usage remain uncertain (Q2 FY26 call). A prolonged gap between contract end and new awards could force dilutive financing.