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Stockholm-based battery-materials startup Holyvolt raised $45 million in an all-equity round from Zone II.
Why it matters: Holyvolt's $45M round and DRX cathode bet show how one startup is pairing a high-throughput lab with AI models to chase battery chemistries outside China's grip.
Skeleton Technologies announced a Siemens-led nine-digit investment that lifts its valuation above $1 billion.
Why it matters: Skeleton's Siemens-led round shows how AI data-centre power demand is pulling industrial capital into energy hardware rather than chips alone.
Giraffe Bio raised a $6.4 million seed round led by Orion Industrial Ventures, with BHP Ventures.
Why it matters: Giraffe Bio's engineered biomolecules could lift copper recovery by up to 5% at existing mines, a rare concrete bet on biotech easing a looming supply gap.
Hamburg-based 1KOMMA5° raised €70M from existing and new investors at a $1.35B valuation.
Why it matters: The round shows how a hardware-led energy installer is pitching its Heartbeat AI software to public-market investors, with a US entry and IPO both tied to 2027 results.
Beyond Reach Labs raised a $10M seed round led by Interlagos, with Y Combinator.
Why it matters: The interview details how a Brooklyn startup plans to mass-produce deployable solar arrays for orbital data centers, a niche supply bet on the growing satellite power market.
Redwood Materials raised a $350 million Series E led by Eclipse, with a new strategic investment from Nvidia's venture arm NVentures. A source put the valuation at about $6 billion.
Why it matters: Redwood's $350M round and Nvidia's participation show how retired EV batteries are being repurposed to supply power for AI data centers.
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