United States · 
What does Nucleation Capital invest in?
Nucleation Capital invests most often at Seed and Series B (100% of the rounds on record), in sectors such as Nuclear and Carbon Management.
Nucleation Capital highlights
- 01
1 cheques in the last 12 months
- 02
Mostly Seed and Series B: 100% of its rounds
What they do
Nucleation Capital is a venture fund focused on investing into advanced nuclear and carbon management innovationsFrom their own website
- Type
- VC firm (from a list, unverified)
- Cheque size
- Not stated
- Stages
- SeedSeries A
- Sectors
- NuclearCarbon Management
- Based in
- Menlo Park, United States
- Cold pitches
- Not accepted
The record
Every round we can evidence, newest first2 appearances
- 2026
1 round
- Aug
- 2025
1 round
- Aug
An announcement gives the size of the round, not the size of this investor's cheque: the only rounds that imply a cheque are those where they were the sole named investor.
The team
Named by the firm itself, on a filing, its Form ADV or its company registration1 named
STSonya ThomasGeneral partneriFiling they signed
We also hold 4 people at this firm from the lists this database was built from: a weaker source than the filings, since a list does not say when a title ended. Login to see them.
What they claim to have backed
From their own portfolio page (on their website)
1 of 6 we have independently watched raise
Atomic InsightsAI-Powered Nuclear Learning ZoneFund I Subscriber PortalInvest in climate solutionsStatcounterTools
Weaker than a round we watched, stronger than a list somebody sold us. A firm is far less willing to put a company on its own site that it never funded.