✦ AI AI Company Comparison

Groq vs Lightmatter — IPO & Funding Comparison

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

● Data current Last verified: May 2, 2026
Metric Groq Lightmatter
Valuation$6.2B$4.4B
Total Funding$2.6B$850M
IPO StatusPre-IPOPre-IPO
SectorSemiconductorsAI Infrastructure / Semiconductors
StageSeries ESeries D+
HeadquartersMountain View, CAMountain View, CA
CEOJonathan RossNicholas Harris
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Groq

AI inference chip company delivering the world's fastest LLM inference.

IndustrySemiconductors
StageSeries E
IPO StatusPre-IPO
Valuation$6.2B
Total Funding$2.6B
HeadquartersMountain View, 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 D+
IPO StatusPre-IPO
Valuation$4.4B
Total Funding$850M
HeadquartersMountain View, CA

Frequently Asked Questions

What are the valuations of Groq and Lightmatter? +

Groq is valued at $6.2B. 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? +

Groq has raised $2.6B. Lightmatter has raised $850M.

What is the IPO status of Groq and Lightmatter? +

Groq is currently pre-IPO. Lightmatter is currently pre-IPO. Track both on TechStackIPO for S-1 filings and IPO announcements.

Are Groq and Lightmatter in the same sector? +

Groq operates in Semiconductors, while Lightmatter operates in AI Infrastructure / Semiconductors.

What are the main differences between Groq and Lightmatter? +

Groq is a Semiconductors company valued at $6.2B with $2.6B 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 Groq or Lightmatter before their IPO? +

Accredited investors can access pre-IPO shares in Groq 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.