Nuclearn

Phoenix, AZ · Founded 2020 · Privately Held (backing)

Developer of an artificial intelligence platform designed to improve nuclear workflows by automating key operational tasks. Nuclearn is based in Phoenix, AZ and was founded in 2020. It was valued at $31 million at its later-stage round in Sep 2025, the last priced event on record. It has raised $13 million across 2 recorded rounds; the latest was a $10.6 million early-stage round in Jul 2025.

PMV mark · valuation
$31.0M
Oct 2026
Priced at
its later-stage round
Sep 2025
Total raised
$13.0M
Last round
Early Stage VC
Jul 2025
What is Nuclearn worth?
$31.0MPrivateMarketView mark · Oct 2026

Valued at $31.0M at its later-stage round, Sep 2025. Nothing has traded since.

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Valuation timeline

0 priced rounds · 32 daily marks since · Sep 2026 – Oct 2026
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Markrounds hold their value until the next priced eventMark, today
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Nuclearn funding history

2 rounds
DateRoundRaisedPost-money
Jul 2025Early Stage VC$10.6M▮
Jul 2023Seed Round$2.5M▮
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Nuclearn valuation

Nuclearn was valued at $31 million at its later-stage round in Sep 2025. That is the last priced event on record: no secondary trade or institutional fund mark has moved the figure since.

How much has Nuclearn raised?

Nuclearn has raised $13 million across 2 recorded rounds since 2023. The largest was a $2.5 million seed round in Jul 2023; the most recent was a $10.6 million early-stage round in Jul 2025.

Nuclearn has filed 1 Form D with the SEC, most recently in Jul 2023 ($2.5 million sold to 2 investors).

How Nuclearn's valuation is determined

Private company valuations aren’t quoted on an exchange — they’re established in moments: a priced funding round sets a post-money valuation, secondary trades print at a price per share, and SEC-registered funds holding the stock report fair-value marks in their N-PORT filings.

For Nuclearn, the most current credible signal sets the number and the older ones confirm it: a live secondary-market price first, then three or more recent prints, then institutional fund marks, and otherwise the last priced round, which never decays. The valuation is the last round’s post-money moved by the price change since that round, so no share count is assumed. Today it is set by its last priced round. Question about this number? Full methodology →

Frequently asked about Nuclearn

What is Nuclearn worth?
Nuclearn is valued at $31.0M as of Oct 2026. Valued at $31.0M at its later-stage round, Sep 2025. Nothing has traded since.
How much has Nuclearn raised?
Nuclearn has raised $13.0M in total funding across 2 recorded rounds.
When did Nuclearn last raise?
Nuclearn last raised in Jul 2025 (Early Stage VC), raising $10.6M.