Who owns Cerebras? Ownership structure explained (2026)

Cerebras Systems is racing toward one of the most closely watched AI hardware IPOs in years. The Sunnyvale-based chipmaker, which designs wafer-scale processors purpose-built for AI training and inference, launched its IPO roadshow on May 4, 2026, targeting a fully diluted valuation of up to $26.6 billion.

But behind the headline valuation sits an ownership structure that raises questions most chip companies never face. A UAE-linked investor triggered a national security review. A single customer — OpenAI — is also a lender and shareholder. And the founders have locked in near-total voting control through a multi-class share structure that will survive the public listing.

Understanding who owns Cerebras matters because ownership shapes strategy, governance, and risk. This article breaks down the company's founders, major investors, share class mechanics, regulatory history, and the key people who will control the company once it begins trading publicly.

Cerebras Systems builds AI-specific hardware centered on its wafer-scale engine (WSE), the largest chip ever made. While most AI processors are cut from standard silicon wafers, Cerebras uses the entire wafer as a single chip — a design that dramatically increases compute density for training and running large AI models.

The company was founded in 2015 or 2016 (sources differ on the exact year) by Andrew Feldman, Gary Lauterbach, Michael James, Sean Lie, and Jean-Philippe Fricker. All five co-founders remain with the company. Feldman serves as CEO, Lauterbach as CTO, James as Chief Architect (Advanced Technologies), Lie as Chief Hardware Architect, and Fricker as Chief System Architect.

Cerebras is headquartered in Sunnyvale, California, and is incorporated in the United States. Its most recent private valuation was $23 billion, set during a $1 billion Series H round in February 2026. The company's IPO could push that figure to $26.6 billion at the top of its proposed price range. Cerebras competes in the AI accelerator market against Nvidia, AMD, and a growing field of custom silicon efforts from hyperscalers like Google and Amazon.

The most important thing to understand about who owns Cerebras is the gap between economic ownership and voting power. The company uses a multi-class share structure with three distinct classes:

After the IPO, outstanding Class B shares will represent roughly 99.2% of total voting power. That means Feldman and his co-founders will retain absolute control over board composition, strategic direction, executive compensation, and any potential acquisition — regardless of how much economic ownership public shareholders hold.

Feldman himself is not selling shares in the IPO. He will retain 10.3 million Class B shares, making him the single most powerful figure in the company's governance. Co-founder Gary Lauterbach's pre-IPO equity stake has been estimated at 5–10%, though specific stakes for the other three co-founders have not been publicly disclosed.

Cerebras has raised billions in private capital across multiple rounds, with its investor base evolving significantly over time.

Early-stage backers: Benchmark, led by Bill Gurley, was the lead investor in Cerebras's seed/Series A round. Andy Bechtolsheim, co-founder of Sun Microsystems, also made a strategic angel investment at this stage.

Growth-stage investors: The Series F round in November 2021, led by Alpha Wave Global and UAE-based G42, valued the company at over $4 billion and introduced sovereign-linked capital into the cap table. This round would later trigger significant regulatory scrutiny.

Late-stage investors: The September 2025 Series G raised $1.1 billion at an $8.1 billion valuation, led by Fidelity Management and Research and Atreides Management. Other notable co-investors across rounds include Coatue Management, Altimeter Capital, Foundation Capital, Eclipse Ventures, and Sequoia Capital.

Pre-IPO capital: In February 2026, the Series H raised an additional $1 billion, tripling the valuation to $23 billion. The lead investor for this round has not been publicly identified.

OpenAI occupies a unique position in Cerebras's ownership story. In late 2025 and early 2026, the two companies signed a multi-year compute agreement valued at over $20 billion. As part of that deal, OpenAI took an equity stake in Cerebras and provided a $1 billion working capital loan.

This makes OpenAI simultaneously a major customer, a lender, and a shareholder — three roles that don't typically converge in a single relationship. Analysts and SEC filings have flagged this arrangement as a potential conflict of interest, since OpenAI's commercial decisions directly affect Cerebras's revenue while its financial instruments give it leverage over the company's balance sheet.

Cerebras launched its IPO roadshow on May 4, 2026, offering 28 million Class A shares at a price range of $115–$125 per share. At the top of the range, the offering would raise approximately $3.5 billion and value the company at up to $26.6 billion on a fully diluted basis.

The underwriting syndicate includes Morgan Stanley, Citigroup, Barclays, and UBS. The shares will list on the Nasdaq Global Select Market under the ticker CBRS.

Feldman co-founded Cerebras and has served as CEO since inception. Before Cerebras, he founded SeaMicro, a server company that AMD acquired for $334 million. That exit gave him credibility in silicon design and a network of engineers he later recruited to build the wafer-scale engine.

Feldman's 10.3 million Class B shares, each carrying 20 votes, make him the company's most powerful decision-maker. He is not selling shares in the IPO, signaling long-term commitment — and ensuring his voting control remains intact.

All five co-founders remain active in the company. Gary Lauterbach (CTO), Michael James (Chief Architect, Advanced Technologies), Sean Lie (Chief Hardware Architect), and Jean-Philippe Fricker (Chief System Architect) collectively hold Class B shares alongside Feldman. Together, the founding team controls approximately 99.2% of voting power post-IPO.

The identity of Cerebras's board chair has not been publicly disclosed in available filings as of May 2026.

Cerebras's path to public markets has been anything but straightforward. A CFIUS investigation, an IPO withdrawal, a massive customer deal, and three funding rounds in under a year have reshaped the company's ownership structure in rapid succession.

Cerebras's first attempt to go public in 2024 was derailed by a national security investigation from the Committee on Foreign Investment in the United States (CFIUS). The probe centered on G42, a UAE-based AI firm that had invested in Cerebras during the Series F round.

Two factors made G42's involvement particularly sensitive. First, G42 had historical ties to Chinese entities — a red flag for U.S. regulators overseeing companies that design advanced AI chips. Second, G42 accounted for 87% of Cerebras's revenue in the first half of 2024, raising concerns about foreign influence over a strategically important U.S. technology company.

The review was resolved on March 31, 2025. G42 agreed to divest its Chinese investments and restructure its $335 million equity holding in Cerebras into non-voting Class N shares. This effectively stripped G42 of any governance influence while allowing it to retain economic exposure.

With G42's revenue share declining, OpenAI emerged as Cerebras's dominant commercial partner. The structure of their relationship — where OpenAI is simultaneously a major customer, a $1 billion lender, and an equity shareholder — has drawn scrutiny from public market analysts.

The concern is straightforward: OpenAI's decisions about compute procurement directly affect Cerebras's revenue, while its financial instruments create dependencies that go beyond a standard arm's-length commercial relationship. SEC filings have flagged these overlapping roles as a governance risk that investors should weigh carefully.

Cerebras's ownership structure will shape the company's trajectory in several concrete ways.

Product strategy: With near-total voting control, the founding team can pursue long-term hardware bets — like wafer-scale computing — without pressure from activist investors or short-term earnings demands. That's a meaningful advantage in a capital-intensive industry where chip design cycles span years.

Customer risk: The concentration of revenue in a small number of large customers, first G42 and now OpenAI, means ownership and commercial relationships are deeply intertwined. If OpenAI shifts its compute strategy, the impact on Cerebras would be both financial and structural.

Governance: Public shareholders buying Class A shares in the IPO are purchasing economic exposure with minimal voting rights. The 20:1 vote ratio on Class B shares means the founders can approve or block any major corporate action indefinitely. For investors, this is a feature or a bug depending on how much you trust the founding team's judgment.

Geopolitical exposure: The G42 episode demonstrated that ownership composition can become a regulatory liability in the AI chip sector, where national security considerations increasingly influence who can own, invest in, or buy from advanced semiconductor companies.

Andrew Feldman is the co-founder and CEO of Cerebras. He has led the company since its founding in 2015/2016. Previously, he founded SeaMicro, which AMD acquired for $334 million. Feldman holds 10.3 million Class B shares and is not selling any equity in the IPO.

Not yet, but it's close. Cerebras launched its IPO roadshow on May 4, 2026, and plans to list Class A common stock on the Nasdaq Global Select Market under the ticker CBRS. The company is offering 28 million shares at $115–$125 per share, targeting a fully diluted valuation of up to $26.6 billion.

Cerebras was co-founded by five people: Andrew Feldman (CEO), Gary Lauterbach (CTO), Michael James (Chief Architect, Advanced Technologies), Sean Lie (Chief Hardware Architect), and Jean-Philippe Fricker (Chief System Architect). All five remain with the company as of May 2026.

The co-founders collectively hold the most significant ownership position through their Class B shares, which carry 20 votes per share and represent approximately 99.2% of voting power post-IPO. Major institutional investors include Benchmark, Fidelity Management and Research, Alpha Wave Global, G42 (non-voting shares), Coatue Management, and OpenAI.

OpenAI signed a multi-year compute agreement with Cerebras valued at over $20 billion. As part of the deal, OpenAI also took an equity stake and provided a $1 billion working capital loan. This triple role — as customer, lender, and shareholder — has been flagged by analysts as an unusual arrangement with potential conflict-of-interest implications.