Mazama announced $135 million of new capital on September 17, 2026, including an oversubscribed Series B led by Centaurus and Doerr Capital. Axios reports Series B funding and grants. Valuation was not disclosed. Newberry’s 331°C well is the proof; commercial power is not.
Day index for September 17–18, 2026: Crusoe’s confirmed $3.9B Series F at $30.9B, MIND $72M DLP Series B, Comp AI $34M, Kastle $24M, Magentic $18M — plus Treble and Graph AI briefs.
Company-confirmed Series F: $3.9B at $30.9B post-money, co-led by Atreides, Mubadala Capital, and Valor. $140B+ TCV and 6 GW contracted capacity — who buys Crusoe and why Founders Fund and Nvidia stay in.
Roo Capital and Grand Ventures co-led Comp AI’s $34M Series A (~$37.5M total per TNW). 1,000+ customers and 15× ARR growth claimed — who buys agentic compliance and why now.
D-Robotics closed a $400M Series C (Mirae led per Yicai) after claiming 8M+ Sunrise chip shipments and 20+ embodied-AI customers on S600 — who buys the silicon and why the round fits industrial robotics.
Felicis led Magentic’s $18M Series A a year after Sequoia’s $5.5M seed. Global 500 manufacturers run procurement agents inside Teams and ERPs — who buys and why Sequoia stayed.
