AI Chipmaker Cerebras Raises $5.55 Billion in Year’s Biggest IPO

Bloomberg Technology
Bloomberg TechnologyMay 14, 2026

Why It Matters

Cerebras’ record‑size IPO provides the capital to mass‑produce wafer‑scale AI chips, intensifying competition in the fast‑inference market and offering investors exposure to the next wave of AI hardware.

Key Takeaways

  • Cerebras IPO priced at $185, opening near $350 per share.
  • Raised $5.55 billion, biggest tech IPO of 2024 so far.
  • Secured $20 billion compute deal with OpenAI, AWS partnership.
  • Claims 15× faster inference than rivals, targeting 41% gross margin.
  • Proceeds will expand manufacturing capacity and onboard new customers.

Summary

Cerebras Systems, the AI‑chipmaker founded by Andrew Feldman, priced its IPO at $185 a share on May 14, 2024, with Bloomberg indicating an opening trade near $350. The offering raised $5.55 billion, making it the largest technology IPO of the year and the biggest semiconductor listing in history.

The float was more than 25‑times oversubscribed, forcing the company to allocate shares primarily to institutions. Cerebras highlighted a $20 billion compute contract with OpenAI and a pending engagement with Amazon Web Services, underscoring soaring demand for ultra‑fast inference hardware. The firm claims its wafer‑scale engine delivers performance 15 times faster than the nearest competitor while targeting a 41% gross margin.

Feldman emphasized the company’s fully vertical integration—designing, packaging and assembling its own super‑computer systems—as a competitive moat, likening it to Porsche’s complete‑car approach. He noted that the wafer‑scale chip, the size of a dinner plate, overcomes a 70‑year industry limitation on chip size and that margins will improve as supply‑chain leverage grows.

The IPO injects capital to scale production capacity and accelerate customer onboarding, positioning Cerebras as a pivotal player in the AI infrastructure race. Investors and cloud providers now have a new, high‑performance alternative to traditional GPUs, potentially reshaping pricing and performance dynamics across the AI compute market.

Original Description

Cerebras raised $5.55 billion in its US initial public offering, as the AI chipmaker seizes on the surging demand for semiconductors. This is the largest IPO of the year so far. Shares were priced to open 89% above their listing price. Cerebras CEO Andrew Feldman joined Ed Ludlow on "Bloomberg Tech" before the stock started trading and called it a "pretty good day."
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