TLDR
- Cerebras priced its IPO at $185 per share, raising $5.55 billion — the largest U.S. IPO of 2026
- The company’s fully diluted valuation came in at over $56 billion, more than double its February 2026 private valuation
- Demand was extreme — institutional orders exceeded available shares by more than 20 times
- Cerebras signed a $20 billion deal with OpenAI and a cloud partnership with Amazon Web Services
- The company has $24.6 billion in committed future revenue, roughly 48 times its 2025 sales
Cerebras Systems made its Nasdaq debut on Thursday under the ticker “CBRS,” marking the largest U.S. tech IPO since Arm Holdings went public in 2023.
JUST IN: AI CHIPMAKER CEREBRAS JUST PRICED ITS IPO AT $185 PER SHARE, ABOVE THE $150-$160 MARKETED RANGE
The order book was oversubscribed 20+ times.
The full picture, per Bloomberg:
The deal:
– IPO price: $185 (above the $150-$160 range, which had already been raised Monday)… pic.twitter.com/4BoIl99v2T— IPO Newsroom (@IPONewsroom_) May 13, 2026
The company priced its shares at $185 each on Wednesday night, well above its original guided range of $115 to $125. It sold 30 million shares and raised $5.55 billion in total.
The fully diluted valuation of the company came in at over $56 billion. That is more than double the roughly $23 billion private valuation Cerebras held as recently as February 2026.
Underwriters Morgan Stanley, Citigroup, Barclays, and UBS also hold an option to buy up to 4.5 million more shares within 30 days. If exercised, that could add another $832.5 million to the total raise.
Demand during the roadshow was high. Institutional orders reportedly exceeded the number of available shares by more than 20 times. The company had to raise both its price range and share count twice during the process.
Cerebras is based in Sunnyvale, California, and was founded in 2016. It makes a chip called the Wafer-Scale Engine, which uses an entire silicon wafer rather than being cut into smaller pieces. The result is a processor with 4 trillion transistors and 900,000 cores.
That puts it in direct competition with Nvidia in the AI chip market. Unlike Nvidia’s GPU clusters, Cerebras packs all that computing power into a single processor.
Major Customer Deals Fuel Confidence
In early 2026, Cerebras signed a $20 billion, 750-megawatt deal with OpenAI. In March, Amazon Web Services announced a partnership to offer the Wafer-Scale Engine to cloud customers. Amazon reportedly purchased $270 million in Cerebras stock as part of that deal.
These deals helped transform investor confidence heading into the IPO. For 2025, Cerebras posted revenue of $510 million, up 75% from $290.3 million the year before. However, it also posted an operating loss of $345 million for that same period.
The company’s remaining performance obligation — contractually committed but not yet recognized revenue — stands at $24.6 billion. That is roughly 48 times its 2025 sales.
This was Cerebras’ second attempt to go public. It first filed in 2024 but pulled the plans after its partnership with UAE-based AI firm G42, which accounted for over 80% of its revenue at the time, triggered a national security review by the Committee on Foreign Investment in the United States. The committee eventually cleared the deal.
Reports of a Last-Minute Acquisition Offer
Earlier this week, reports surfaced that Arm Holdings and SoftBank Group attempted to acquire Cerebras with a last-minute bid. Cerebras reportedly turned down the offer.
The IPO lands in a strong environment for new listings. U.S. IPO proceeds have more than doubled year-to-date in 2026 to $22.3 billion, according to Dealogic. Cerebras alone accounts for roughly a quarter of that total.
Later in 2026, IPOs from SpaceX, OpenAI, and Anthropic are expected to follow. Analysts say the Cerebras debut will act as a test of how much appetite investors have for new AI listings.
The Dow Jones U.S. Semiconductors Index has returned more than 107% over the past year, compared to about 26% for the S&P 500 over the same period.
Renaissance Capital, an IPO research firm, called Cerebras’ offering “the largest AI IPO of all time.”
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