Biggest Private Companies by Valuation
This is a list of the biggest private companies by valuation. It includes companies with valuations available on secondary markets based on completed funding rounds in the last 3 years.
Companies
452
In our database
Total Valuation
$5.8T
Latest round
Total Revenue
$392.1B
Latest estimates
3 Companies
| Rank | |||||||
|---|---|---|---|---|---|---|---|
| 46 |  Helion Energy | $15.5B | n/a | +14.09% | United States | ||
| 208 |  TAE Technologies | $2.9B | n/a | -24.77% | United States | ||
| 211 |  Proxima Fusion | $2.7B | n/a | +16.86% | Germany |
United States
Germany