Maxwell Labs

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

Maxwell Labs key facts

as of Oct 2026
  • 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 valued at approximately $85.9M as of Oct 2026, set at its later-stage round, Feb 2026; nothing has traded since, per PrivateMarketView’s mark.
  • It has raised $12.3M across 3 recorded rounds; the latest was Early Stage VC ($7.9M) in Feb 2026.
  • Notable investors include gBETA, Groove Capital, mHUB, Arosa Capital Management, DEVCOM ARL — 9 tracked in total.
  • 1 investment vehicle was formed to buy Maxwell Labs shares in the last 12 months, reporting $511K sold to 17 investors, per SEC Form D filings.
  • Maxwell Labs has filed 4 Form Ds with the SEC since 2022, most recently Feb 2026 ($7.9M sold to 31 investors).
  • Status: Privately Held (backing).
PrivateMarketView mark
MEDIUM confidence
$85.9M

Valued at $85.9M at its later-stage round, Feb 2026. Nothing has traded since.

set by its last priced roundas of Oct 2026question about this number?
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Maxwell Labs funding rounds

3 rounds
Feb 2026Early Stage VC$7.9MSEC filing▮
May 2023Seed Round$250KSEC filing▮
Apr 2022Seed Round$1.1MSEC filing▮

Vehicles formed to buy Maxwell Labs shares

secondary demand · SEC Form D filings

In the last 12 months, 1 investment vehicle were formed to buy Maxwell Labs shares, reporting $511K sold to 17 investors. Most recent filing Feb 2026.

The vehicle list — each sponsor, filing date, amount sold and investor count — is a Pro table. Unlock the 1 vehicle →

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Maxwell Labs valuation

Maxwell Labs was valued at $85.9 million at its later-stage round in Feb 2026. That is the last priced event on record: no secondary trade or institutional fund mark has moved the figure since.

How much has Maxwell Labs raised?

Maxwell Labs has raised $12.3 million across 3 recorded rounds since 2022. The largest was a $7.9 million early-stage round in Feb 2026.

Maxwell Labs has filed 4 Form Ds with the SEC since 2022, most recently in Feb 2026 ($7.9 million sold to 31 investors).

Institutional holders and vehicles

In the last 12 months, 1 investment vehicle was formed to buy Maxwell Labs shares, reporting $510,510 sold to 17 investors, per SEC Form D filings (most recent Feb 2026).

Maxwell Labs investors

9 investors are on record for Maxwell Labs, including gBETA, Groove Capital, mHUB and Arosa Capital Management. The early-stage round in Feb 2026 drew 31 investors.

About Maxwell Labs

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. The company offers integrated laser cooling, advanced simulation, and nanophotonics, enabling data centers and AI hardware to scale performance and harvest waste heat, unlocking higher power densities for next-generation chip designs.

Sector
Information Technology
HQ
Saint Paul, MN, United States
Founded
2020
Employees
5
Ownership
Privately Held (backing)

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