Nuclear
Lexington, US · Founded 2023 · Incorporated in Delaware · 2 known investors
Founders & leadership
Nuclear was founded in 2023 by Jonathan Webb.
JW
Jonathan WebbFounder
SD
Stephanie DonnerExecutive
JE
Juliann EdwardsExecutive
JT
Jason ThompsonExecutive
Board
GR
KB
Kiran BhatrajuBoard director
PM
Patrick MaloneyBoard director
Investors · 2
Reported raises · per SEC filings
Form D private placements$46.3M disclosed across 1 round · 2025
▶$46.3MraisedMay 2025 · 9 investors · Other EnergyRule 506(b)
▶$46.3MraisedMay 2025 · 9 investors · Other Energy
Rule 506(b)Officers, directors & promoters on the filing
- Jonathan WebbExecutive Officer, Director
- Stephanie DonnerExecutive Officer
- Greg ReichowDirector
- Kiran BhatrajuDirector
- Juliann EdwardsExecutive Officer
- Patrick MaloneyDirector
- Jason ThompsonExecutive Officer
- Offering amount
- $51.3M
- Amount sold
- $46.3M
- First sale
- Mar 2025
- Incorporated
- Other, Delaware, 2023
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
In the news
Nuclear startup Valar Atomics in talks to raise new funding at $6B valuationtechcrunch.com · Jul 2026Frequently asked questions
- Who founded Nuclear?
- Nuclear was founded by Jonathan Webb in 2023.
- Who are Nuclear's investors?
- Nuclear's investors include Eclipse Ventures, Sequoia Capital.
- How much funding has Nuclear raised?
- Nuclear has disclosed $46.3M raised across 1 round.
- Where is Nuclear headquartered?
- Nuclear is headquartered in Lexington, US.