Saint Paul, MN · Founded 2020 · Privately Held (backing)
Developer of a photonic cold plate designed to transform chip heat into light and back into usable electricity, revolutionizing heat management and energy use in high-performance computing systems. Maxwell Labs is based in Saint Paul, MN and was founded in 2020. It was valued at $85.9 million at its later-stage round in Feb 2026, the last priced event on record. It has raised $12.3 million across 3 recorded rounds; the latest was a $7.9 million early-stage round in Feb 2026.
PMV mark · valuation
$85.9M
Oct 2026
Priced at
its later-stage round
Feb 2026
Total raised
$12.3M
Last round
Early Stage VC
Feb 2026
Cap table — not yet on record
Maxwell Labs's share-class structure hasn't surfaced in our sources yet. Cap tables are assembled from certificates of incorporation, round filings, and disclosures as they land.
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