Defense Tech and Energy Storage Firms Pivot to High-Margin Software in Q4
The Q4 2025 earnings cycle for specialized defense and industrial technology firms highlights a sector-wide transition from low-margin hardware to recurring software and services. Key players like Stem and Everspin are leveraging government contracts and high-density memory solutions for space and data center applications to achieve record profitability.
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Key Intelligence
Key Facts
- 1Stem (STEM) achieved its first full year of positive Adjusted EBITDA at $7 million, driven by a 25% growth in software and services revenue.
- 2Everspin (MRAM) secured a $14.6 million DoD contract for facility sustainment, with $10.5 million earned to date.
- 3SES AI (SES) reported 2025 revenue of $21 million, a nearly tenfold increase from the previous year, with a focus on ESS and drones for 2026.
- 4Aware (AWRE) was one of only five vendors to meet all DHS high-performance criteria in the RIVER selfie-to-document match evaluation.
- 5Fuel Tech (FTEK) identified a data center sales pipeline with projects valued at $75 million to $100 million each.
- 6MicroVision (MVIS) is pivoting toward aerial systems for security and defense, anticipating $8 million to $12 million in restructuring charges.
| Metric | |||
|---|---|---|---|
| Q4 Revenue | $156.0M | $14.8M | $4.6M |
| Revenue Growth (YoY) | 8% | 12% | 124% |
| Gross Margin (GAAP) | 38% | 50.8% | 11.3% |
| Primary Growth Driver | Software/Services | MRAM Product Sales | ESS & Drone Contracts |
Analysis
The fourth quarter of 2025 marked a definitive turning point for specialized technology firms operating at the intersection of energy infrastructure, aerospace, and national security. A common thread across the sector is the aggressive 'SaaS-ification' of business models, where companies are intentionally shedding low-margin hardware resale in favor of high-margin, recurring software and services. This strategic pivot is most evident in the results from Stem (STEM), which achieved its first full year of positive adjusted EBITDA ($7 million) by focusing on its PowerTrack software suite, which now accounts for over 55% of total revenue. By reducing its reliance on battery hardware resale, Stem reached a record 38% GAAP gross margin, signaling a sustainable path for energy storage management in both civilian and defense-adjacent microgrid applications.
In the aerospace and defense-specific hardware segment, Everspin Technologies (MRAM) demonstrated the growing criticality of radiation-hardened memory for the rapidly expanding low Earth orbit (LEO) satellite market. Everspin’s MRAM product sales grew 22% year-over-year, driven by demand in data centers and industrial automation. Crucially, the company is deepening its ties with the Department of Defense (DoD), recognizing $2.0 million in the quarter from a $14.6 million contract for MRAM facility sustainment. The qualification of their 64 Mb xPy STT-MRAM for Microchip’s PIC64 High-Performance Spaceflight Computing (HPSC) processor further solidifies Everspin’s role in the next generation of space-bound computing architecture. As the DoD seeks to modernize its orbital assets, the demand for non-volatile memory that can withstand harsh space environments is becoming a significant tailwind for specialized semiconductor firms.
Crucially, the company is deepening its ties with the Department of Defense (DoD), recognizing $2.0 million in the quarter from a $14.6 million contract for MRAM facility sustainment.
Security and biometric authentication also saw significant technical milestones this quarter. Aware (AWRE) reported successful evaluations by the Department of Homeland Security (DHS) under the RIVER program, where it was one of only five vendors to meet all high-performance criteria for selfie-to-document matching. This performance, coupled with top-tier results in NIST racial bias testing, positions Aware as a preferred partner for federal identity management and border security initiatives. Despite a slight dip in quarterly revenue to $4.7 million due to the transition away from perpetual licenses, the company’s focus on its Intelligent Liveness platform and its $22.3 million debt-free cash position provide a stable foundation for capturing upcoming government contracts focused on zero-trust architecture.
Meanwhile, the broader industrial tech landscape is being reshaped by the massive infrastructure requirements of the AI boom. Fuel Tech (FTEK) revealed a substantial sales pipeline for data center projects, with individual opportunities valued between $75 million and $100 million. This highlights the critical need for advanced emission control and water treatment technologies as hyperscale data centers expand to support AI workloads. Similarly, SES AI (SES) reported a tenfold increase in full-year revenue to $21 million, driven by contracts with automotive giants like Honda and Hyundai, while simultaneously pivoting toward energy storage systems (ESS) and drone applications—sectors that are increasingly vital for tactical military logistics and remote power needs.
Looking ahead to 2026, the sector faces a dual-track outlook. While the demand for specialized hardware in space and defense remains robust, companies must navigate the 'trough of disillusionment' in the electric vehicle (EV) market, as seen in Wallbox’s (WBX) 10% revenue decline and MicroVision’s (MVIS) restructuring efforts. The winners in the coming year will likely be those that can successfully bridge the gap between hardware innovation and software-driven recurring revenue. Investors and defense planners should watch for the continued integration of AI-driven perception software into aerial defense systems and the scaling of high-density MRAM production, which are poised to become standard requirements for modern electronic warfare and orbital platforms.