Cerebras Systems priced its Nasdaq IPO at $185 a share — $25 above the top of a raised range — to raise $5.55 billion, according to the research audit underpinning this report. The stock surged more than 68% on its first day.

Cerebras competes with incumbent GPU makers through its Wafer-Scale Engine, which uses an entire silicon wafer as a single chip to minimize the data-movement latency that bottlenecks large training runs. A multibillion-dollar compute-deployment agreement with OpenAI helped underwrite the story.

The debut confirmed that public-market appetite for AI hardware extended beyond Nvidia. After years in which the chipmaker's GPUs were the industry's chokepoint, investors were willing to bet on alternative architectures capable of accelerating training and inference.

For the semiconductor startup ecosystem, the reception was a signal flare: the compute layer of the AI stack had become one of the few places public investors would pay richly for a challenger.