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Defense tech company Hadrian raised a $1.37B Series D at an $8B valuation to expand its factories and Opus software platform, after a $260M Series C in 2025 (Colin Demarest/Axios)
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Hadrian, a defense technology company that builds factories and manufactures defense products, raised $1.37 billion in a Series D at an $8 billion valuation, with proceeds earmarked for expanding its factories and its Opus software platform.
A Series D of this size in defense manufacturing, rather than defense software alone, signals investor appetite for companies that pair physical production capacity with proprietary tooling. For engineers and operators in defense-adjacent supply chains, factory expansion implies new hiring, procurement, and integration workloads on the near horizon. The combination of a $260M Series C in 2025 followed by a $1.37B round a year later also indicates a sharp step-change in capital intensity for this category.
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Hadrian raised $1.37 billion in Series D funding at an $8 billion valuation, per Axios reporting carried by Techmeme.
The company is described as a factory builder and defense manufacturer, and the new capital is earmarked for expanding factories and its Opus software platform.
The round follows a $260 million Series C raised in 2025, the only comparable prior funding milestone stated in the available material.
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