Physical AI Startup Atoms Leads $1.7B Funding Week

Atoms, the Los Angeles-based physical AI startup founded by Uber founder Travis Kalanick, raised $1.7 billion（約2700億円） in a funding round led by Andreessen Horowitz, making it by far the largest deal announced during the week of July 18–24. Kalanick described the company's mission as centered on "the coming industrial revolution where large industrial economic sectors get completely digitized," framing the capital raise as a bet on automation of large-scale industrial operations.

The week's remaining nine major rounds reflected capital flowing into capital-intensive and infrastructure-adjacent domains. Meshy AI, a Silicon Valley startup developing foundation models for AI-powered 3D generation, closed a $400 million（約640億円） Series B at a $1.5 billion（約2400億円） valuation, led by Monolith Capital, IDG Capital, and Matrix Partners China. Sila, an Alameda-based battery technology company, secured $300 million（約480億円） in a new round led by Atreides Management and Sutter Hill Ventures; the company stated it will use the funding to expand its silicon anode plant in Moses Lake, Washington. Etched, a San Jose-based co-designer of chips, racks, and software for frontier AI models, raised $300 million（約480億円） in Series C funding led by Sequoia Capital at a $10 billion（約1.6兆円） pre-money valuation.

Further down the list, Augustus, a San Francisco fintech startup providing financial institutions direct access to dollar accounts, secured $180 million（約290億円） in Series B funding at a $1 billion（約1600億円） valuation, led by Tiger Global. Cathedral, a Washington, D.C.-based defense tech startup reportedly founded by former DOGE employees and aimed at expanding U.S. military cyber capabilities, raised $160 million（約260億円） with backing from Sequoia Capital and Andreessen Horowitz. Crystalys Therapeutics, a San Diego biotech developing gout therapies, closed an oversubscribed $130 million（約210億円） Series B led by Frazier Life Sciences. Candid Health, a San Francisco healthcare software company with a revenue cycle management platform, landed $120 million（約190億円） in Series D funding led by Sixth Street Growth. Glow, a Palo Alto endpoint security startup, launched from stealth and announced $180 million（約290億円） raised to date, of which $100 million（約160億円） came from its newest round, with lead backers including Sequoia Capital, Cyberstarts, Greenoaks, and Redpoint. Finally, Boston-based Neo Security, working on agentic software control for enterprises, picked up $100 million（約160億円） in a new round led by Bessemer Venture Partners and Andreessen Horowitz.

Atoms' $1.7 billion（約2700億円） round dominated a week of capital deployment across diverse sectors, signaling that investor focus extends well beyond consumer-facing AI software into industrial automation and physical infrastructure. The funding landscape reflected a mix of emerging domains: 3D AI generation (Meshy AI), battery and energy technology (Sila), specialized chip design for AI (Etched), financial infrastructure (Augustus), and cybersecurity (Glow and Neo Security). The presence of top-tier investors—Andreessen Horowitz, Sequoia Capital, Tiger Global, and others—across these rounds suggests conviction that multiple emerging sectors are reaching inflection points. Notably, Cathedral's $160 million（約260億円） raise for military cyber capabilities, backed by Sequoia and Andreessen Horowitz, reflects a broadening appetite for defense and national-security-adjacent technologies in the venture ecosystem.

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