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AI Chipmaker Cerebras Withdraws U.S. IPO Filing After $1.1 Billion Fundraising Round

Cerebras Systems, the California-based AI chip startup seen as one of the most promising challengers to Nvidia, has withdrawn its planned U.S. initial public offering (IPO), according to a regulatory filing on Friday. The decision takes effect immediately and comes just days after the company closed a massive $1.1 billion funding round.

The move surprised some investors given that U.S. IPO activity has recently rebounded sharply, buoyed by surging enthusiasm for AI-related stocks. Recent debuts, such as Fermi’s data center REIT listing, have drawn strong investor demand, reversing a slump caused by trade-policy and market uncertainty earlier in the year.

Analysts said the withdrawal likely reflects strategic timing rather than weak market sentiment. “Given that Cerebras just very recently completed a sizeable fund raise, it is of no surprise that they are holding off to pursue the IPO at this time,” said Josef Schuster, CEO of IPO research firm IPOX.

Cerebras’ latest financing round—led by Fidelity Management & Research and Atreides Management—valued the company at $8.1 billion and included participation from Tiger Global, Valor Equity Partners, and 1789 Capital, a fund partially linked to Donald Trump Jr.

Despite withdrawing the IPO filing, CEO Andrew Feldman emphasized that the company still intends to go public eventually. “We’re continuing to execute on our roadmap,” he said earlier in the week, noting that Cerebras’ focus remains on scaling production and commercialization of its high-performance AI chips designed to accelerate the training of large models.

The company had initially filed for a Nasdaq listing last year, but the process was delayed by a U.S. national security review of a $335 million investment from G42, an Abu Dhabi-based cloud and AI firm. That review reportedly examined potential concerns about foreign influence and technology transfer.

Industry observers view Cerebras’ decision as a pause, not a retreat. “This is more a company-specific strategic decision and does not tell us anything about the state of U.S. IPO sentiment, which we view as exceptionally strong,” Schuster added.

Founded in Sunnyvale, California, Cerebras Systems specializes in ultra-large AI processors and computing systems, including its flagship Wafer Scale Engine (WSE), a chip designed to massively outperform traditional GPUs in AI workloads. The company has become a key player in the rapidly expanding AI hardware ecosystem—one now defined by fierce competition, colossal valuations, and geopolitical scrutiny.

AI Chip Startup Positron Raises $23.5 Million to Challenge Nvidia

Positron, a startup aiming to rival Nvidia in the artificial intelligence (AI) chip market, announced on Tuesday that it has raised $23.5 million in a seed funding round. Investors in the round included Valor Equity Partners, known for its support of Elon Musk’s ventures, along with Atreides Management, Flume Ventures, and Resilience Reserve.

Focus on Efficiency and Inference:

Positron’s chips are manufactured in Arizona and are designed to use less than a third of the power of Nvidia’s leading H100 graphical processing units (GPUs) while offering similar performance. The company’s chips are specifically intended for AI inference, the phase where AI models are utilized, as opposed to training the models. Although demand currently leans toward training chips, analysts forecast that the need for inference chips will rise as more AI applications are developed.

Industry Shift and Rising Costs:

With major players like OpenAI, Google, and Meta investing heavily in AI infrastructure, the demand for chips is expected to grow significantly. Meta, for example, has pledged to spend up to $65 billion this year, while Microsoft plans to invest $80 billion. OpenAI also announced a $500 billion Stargate infrastructure project. Despite Nvidia’s dominance, holding around 80% of the market, rising costs and concerns about over-reliance on a single supplier have pushed companies such as Microsoft, Meta, and OpenAI to seek alternative solutions, both in-house and externally.