Week's Biggest Funding Rounds Exceed $5 Billion as AI and Energy Companies Attract Major Capital

Startups announced a remarkable week of funding activity with three companies securing more than $1 billion in single rounds. Hadrian, an automated manufacturing specialist, closed $1.37 billion in Series D funding at a $7.87 billion valuation. Base Power, a residential battery energy storage company, raised $1 billion at a $13 billion post-money valuation for its new Base Core home battery product. Valar Atomics, focusing on nuclear energy technology and infrastructure, secured $1 billion in Series B funding. Lumilens, a connectivity platform for AI infrastructure, emerged from stealth with more than $700 million in new funding. Beyond these mega-rounds, the week included notable funding for companies across AI, e-commerce, cybersecurity, biotech and mining sectors, reflecting diversified investor interest in emerging technologies and infrastructure solutions supporting the AI buildout.