Zeno Power

Washington, DC · Founded 2018 · Privately Held (backing)

Developer of radio-isotope power systems designed to convert the heat from recycled nuclear waste into electricity. Zeno Power is based in Washington, DC and was founded in 2018. Its last reported valuation was $175 million in Dec 2025. It has raised $75.6 million.

Last reported valuation
$174.7M
Oct 2026
Priced at
—
Total raised
$75.6M
Last round
—
What is Zeno Power worth?
$174.7Mlast reported valuation · Oct 2026

Zeno Power's last reported valuation, Dec 2025. Nothing priced has surfaced 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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Zeno Power funding history

No rounds on record

No funding rounds for Zeno Power are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.

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Zeno Power valuation

Zeno Power's last reported valuation was $175 million in Dec 2025. No priced round, secondary trade or fund mark has surfaced since.

How Zeno Power'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 Zeno Power, 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 last reported valuation. Question about this number? Full methodology →

Frequently asked about Zeno Power

What is Zeno Power worth?
Zeno Power is valued at $174.7M as of Oct 2026. Zeno Power's last reported valuation, Dec 2025. Nothing priced has surfaced since.
How much has Zeno Power raised?
Zeno Power has raised $75.6M in total funding across its recorded rounds.