Cerebras AI Chip Stock Plunges 62% to Record Low, Down 21% from IPO Price

Market Decline

Cerebras Systems' stock has plummeted to a record low of $146.98, marking a 62% decline from its first-day high of $386. This represents a significant fall from its IPO price of $185.

Causes of Decline

Several factors are contributing to the decline, including insider selling and competition from Nvidia. Insider sales of approximately $84 million were planned around October 1, 2026.

Company Background

Cerebras was founded in 2015 and is based in Sunnyvale, California. Its core idea is architecturally bold: instead of slicing a silicon wafer into many small chips, it uses the full wafer as a single AI accelerator.

Outlook

Several things are worth watching from here. First, whether insider selling continues beyond the roughly $84 million planned around the start of October. Second, any updates on the OpenAI and AWS contracts, including signs of expansion or reduction in committed capacity. Third, further independent analysis, like the SemiAnalysis report, on where AI labs are placing their critical workloads.

Conclusion

The $146.90 to $146.98 range marks the floor Cerebras has hit since listing. As the market continues to evolve, it will be interesting to see how the company's stock reacts to these developments.