# Atlas Atomics

> A nuclear-energy startup developing heavy-water reactor technology intended to operate without enriched uranium.

## Why it is interesting

A reported $400 million Series A at a $1.9 billion valuation would be exceptionally large for a company still in stealth, putting licensing milestones and engineering disclosure under unusual scrutiny.

## Profile

- **Latest funding:** Reported Series A — About $400M (October 8, 2026)
- **Latest known valuation:** About $1.9B (October 8, 2026)
- **Total disclosed equity funding:** $400M
- **Stage:** series-a
- **Status:** private
- **Industries:** climate-tech, deep-tech
- **Coverage:** full
- **Last updated:** 2026-10-12
- **Latest funding investors:** General Catalyst, Andreessen Horowitz

## Key facts

- Bloomberg reported an approximately $400 million Series A in October 2026.
- Reported valuation is about $1.9 billion.
- Company and named investors declined comment on the financing.

## Funding history

- Reported Series A · About $400M · October 8, 2026
  Source: https://www.energyconnects.com/news/utilities/2026/october/ramaswamy-nuclear-startup-raises-funds-at-19-billion-value/

## Investors in our directory

- https://venturecapitaltracker.com/fund/general-catalyst
- https://venturecapitaltracker.com/fund/andreessen-horowitz

## Related articles

- https://venturecapitaltracker.com/atlas-atomics-reported-400m-series-a-1-9b-valuation

**By:** [Venture Capital Tracker](https://venturecapitaltracker.com/editorial-policy)
**Last updated:** October 12, 2026

**Editorial note:** AI tools assisted with research, structure, or drafting. Venture Capital Tracker retains human editorial responsibility for factual accuracy, relevance, and source quality before publication.

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Source: https://venturecapitaltracker.com/startup/atlas-atomics