Positron AI, the leader in energy-efficient AI inference hardware, announced an oversubscribed $230 million Series B financing at a post-money valuation exceeding $1 billion.

The round was co-led by ARENA Private Wealth, Jump Trading, and Unless, and includes new and strategic investment from Qatar Investment Authority (QIA), Arm, and Helena. Existing investors Valor Equity Partners, Atreides Management, DFJ Growth, Resilience Reserve, Flume Ventures, and 1517 also participated. The financing validates Positron's mission to make AI inference dramatically cheaper and more energy-efficient at scale.