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Thea Energy

Kearny, NJ · Founded 2022 · Privately Held (backing)

Developer of a scalable fusion energy technology designed to create a limitless source of zero-emission power. Thea Energy is based in Kearny, NJ and was founded in 2022. Its last reported valuation was $63 million in Dec 2023. It has raised $30 million.

Last reported valuation
$63.0M
Oct 2026
Priced at
—
Total raised
$30.0M
Last round
—

Thea Energy key facts

as of Oct 2026
  • Developer of a scalable fusion energy technology designed to create a limitless source of zero-emission power.
  • Thea Energy is valued at approximately $63.0M as of Oct 2026 (last reported valuation).
  • It has raised $30.0M; the latest was Early Stage VC in Dec 2025.
  • Notable investors include Alumni Ventures, Impact Assets, Climate Capital, Lowercarbon Capital, Chestnut Street Ventures — 16 tracked in total.
  • 2 investment vehicles were formed to buy Thea Energy shares in the last 12 months, reporting $1.1M sold to 57 investors, per SEC Form D filings.
  • Status: Privately Held (backing).
Last reported valuation
LOW confidence
$63.0M

Thea Energy's last reported valuation, Dec 2023. Nothing priced has surfaced since.

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Thea Energy funding rounds

No rounds on record

No funding rounds for Thea Energy 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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Vehicles formed to buy Thea Energy shares

secondary demand · SEC Form D filings

In the last 12 months, 2 investment vehicles were formed to buy Thea Energy shares, reporting $1.1M sold to 57 investors across 2 sponsors. Most recent filing Apr 2026.

The vehicle list — each sponsor, filing date, amount sold and investor count — is a Pro table. Unlock the 2 vehicles →

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Thea Energy valuation

Thea Energy's last reported valuation was $63 million in Dec 2023. No priced round, secondary trade or fund mark has surfaced since.

Institutional holders and vehicles

In the last 12 months, 2 investment vehicles were formed to buy Thea Energy shares, reporting $1.1 million sold to 57 investors across 2 sponsors, per SEC Form D filings (most recent Apr 2026).

Thea Energy investors

16 investors are on record for Thea Energy, including Alumni Ventures, Impact Assets, Climate Capital and Lowercarbon Capital. By type, the record holds 7 venture capital firms and 1 hedge fund.

About Thea Energy

Developer of a scalable fusion energy technology designed to create a limitless source of zero-emission power. The company offers a proprietary stellarator architecture using computer-controlled arrays of flat magnets, enabling the energy sector to harness safe, sustainable, and clean fusion power for the future.

Sector
Energy
HQ
Kearny, NJ, United States
Founded
2022
Employees
94
Ownership
Privately Held (backing)

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