✦ AI AI Company Comparison

Cerebras Systems vs Lightmatter — IPO & Funding Comparison

Side-by-side IPO readiness, funding history, and valuation comparison. Data sourced by TechStackIPO.

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Some data on this page may be outdated. We're verifying.
Cerebras Systems: verified May 22, 2026. Data for Lightmatter last verified: May 21, 2026.
Metric Cerebras Systems Lightmatter
Valuation$26.6B$4.4B
Total Funding$3.4B$850M
IPO StatusPublicPrivate
SectorSemiconductorsAI Infrastructure / Semiconductors
StageRecent IPOSeries E
HeadquartersSunnyvale, CAMountain View, CA
CEOAndrew FeldmanNicholas Harris
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Cerebras Systems

AI chip company building the world's largest processors. IPO date confirmed May 14, 2026 on Nasdaq (CBRS). $3.5B raise target. Revenue $510M (+76% YoY), profitable at $87.9M net income.

IndustrySemiconductors
StageRecent IPO
IPO StatusPublic
Valuation$26.6B
Total Funding$3.4B
HeadquartersSunnyvale, CA

Lightmatter

Photonic computing company building silicon photonics chips and interconnects for AI data centers. Series D ($400M, $4.4B valuation, Oct 2024). CEO Nick Harris called it "probably our last private funding round" — IPO timeline uncertain but expected post-2026.

IndustryAI Infrastructure / Semiconductors
StageSeries E
IPO StatusPrivate
Valuation$4.4B
Total Funding$850M
HeadquartersMountain View, CA

Frequently Asked Questions

What are the valuations of Cerebras Systems and Lightmatter? +

Cerebras Systems is valued at $26.6B. Lightmatter is valued at $4.4B. Both valuations are based on the most recent private funding rounds tracked by TechStackIPO.

How much has each company raised? +

Cerebras Systems has raised $3.4B. Lightmatter has raised $850M.

What is the IPO status of Cerebras Systems and Lightmatter? +

Cerebras Systems is currently already public. Lightmatter is currently private. Track both on TechStackIPO for S-1 filings and IPO announcements.

Are Cerebras Systems and Lightmatter in the same sector? +

Cerebras Systems operates in Semiconductors, while Lightmatter operates in AI Infrastructure / Semiconductors.

What are the main differences between Cerebras Systems and Lightmatter? +

Cerebras Systems is a Semiconductors company valued at $26.6B with $3.4B raised. Lightmatter is a AI Infrastructure / Semiconductors company valued at $4.4B with $850M raised. See TechStackIPO's full side-by-side comparison for IPO readiness scores, funding timelines, and investor data.

How can I invest in Cerebras Systems or Lightmatter before their IPO? +

Accredited investors can access pre-IPO shares in Cerebras Systems and Lightmatter through secondary market platforms, pre-IPO funds, and broker-dealer platforms that facilitate private company transactions. TechStackIPO's marketplace section tracks available access options for both companies. Pre-IPO investments carry higher risk and limited liquidity.