Cerebras extends post-IPO rally as AI chip partnership news fuels another 9% pop

A second wind for the year's hottest IPO

Cerebras Systems climbed about 8.7% on May 27, with shares pushing from an open near $243.86 to a $263 close on fresh AI chip partnership news — its sharpest move since the wafer-scale chipmaker's blockbuster Nasdaq debut two weeks earlier.stockstotrade The bounce comes after a brutal round-trip from the high-$300s back into the $240s, and it reasserts CBRS as the highest-beta name in a market hungry for pure-play AI infrastructure exposure.stockstotrade

The biggest tech IPO since Uber

Cerebras priced 30 million shares at $185 on May 13 — well above its marketed range — and raised $5.55 billion, the largest U.S. tech IPO since Uber's 2019 debut.cnbc Shares opened at $350, peaked at $386, and closed up 68% at $311.07, valuing the company at roughly $95 billion.cnbc Revenue jumped 76% last year to $510 million, and the offering minted two billionaires: co-founder and CEO Andrew Feldman ($3.2 billion stake) and CTO Sean Lie ($1.7 billion).cnbc The euphoria didn't last a full session — CBRS slid 10% the next day as analysts at Davidson called the wafer-scale design "niche-y" and warned the technology is still in "early stages of maturity."cnbc

A Nvidia challenger with two whales

Cerebras pitches its Wafer Scale Engine 3 — a processor cut from an entire silicon wafer — as up to 25× faster than Nvidia GPUs on inference decode, and it has lined up customers to match the claim.futurumgroup A January Master Relationship Agreement with OpenAI commits the ChatGPT maker to 750 megawatts of inference capacity worth more than $20 billion, expandable to 2 gigawatts by 2030, with OpenAI advancing a $1 billion working-capital loan and warrants for up to 10% of the company.futurumgroup In March, Amazon Web Services agreed to install CS-3 systems alongside its Trainium3 chips inside Bedrock, splitting inference workloads between the two accelerators.cnbc Nvidia is not standing still: in December it paid roughly $20 billion for assets from Groq, whose architecture is closer to Cerebras's, and is folding those LPUs into its upcoming Vera Rubin rack.cnbc +1

A valuation pricing in flawless execution

At roughly 45× trailing revenue, CBRS is priced for a transformation it has never attempted — from hardware vendor to hyperscale cloud operator — while 86% of 2025 revenue came from just two UAE-linked entities, MBZUAI and G42.futurumgroup The post-IPO chart reflects that tension: a price-to-sales multiple above 100, $1.11 billion in cash against $971 million in liabilities, and daily ranges wide enough to swallow a quarter of the market cap.stockstotrade Today's partnership-driven pop suggests dip buyers are still willing to defend the story. Whether they're funding the next Nvidia or the next cautionary tale is the question every CBRS print is now trying to answer.