Side-by-side IPO readiness, funding history, and valuation comparison. Data sourced by TechStackIPO.
| Metric | Cerebras Systems | Lightmatter |
|---|---|---|
| Total funding | $3.4B | 2550000000 |
| Latest round | Series H | Series D+ |
| Amount | $1B | $500M |
| Date | Feb 2026 | Oct 2026 |
| Valuation | $23.1B | Undisclosed |
| Lead investors | Growth Investors | Undisclosed |
Scores, valuations, and signals for Cerebras Systems, Lightmatter, and 370+ companies. 5-min read every Tuesday.
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.
| Industry | Semiconductors |
| Stage | Public |
| IPO Status | Public |
| Valuation | $48.8B |
| Total Funding | $3.4B |
| Headquarters | Sunnyvale, CA |
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.
| Industry | AI Infrastructure / Semiconductors |
| Stage | Series D+ |
| IPO Status | Private |
| Valuation | $13.0B |
| Total Funding | 2550000000 |
| Headquarters | Mountain View, CA |
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Cerebras Systems is valued at $48.8B. Lightmatter is valued at $13.0B. Both figures are based on the most recent funding rounds tracked by TechStackIPO.
Cerebras Systems reported 510 total revenue in 2025. Lightmatter's revenue is not publicly disclosed. Revenue figures are sourced from TechStackIPO's company database and updated as new data becomes available.
Cerebras Systems filed an S-1 in May 2026 and is actively in the IPO pipeline. Lightmatter is currently private. Track both companies on TechStackIPO for S-1 filings, roadshow announcements, and IPO date updates.
Cerebras Systems has raised $3.4B. Lightmatter has raised 2550000000.
Cerebras Systems operates in Semiconductors, while Lightmatter operates in AI Infrastructure / Semiconductors.
Cerebras Systems is a Semiconductors company valued at $48.8B with $3.4B raised. Lightmatter is a AI Infrastructure / Semiconductors company valued at $13.0B with 2550000000 raised. See TechStackIPO's full side-by-side comparison for IPO readiness scores, funding timelines, and investor access options.
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.