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
571
In our database
Total Valuation
$6.3T
Latest round
Total Revenue
$434.7B
Latest estimates
3 Companies
| Rank | |||||||
|---|---|---|---|---|---|---|---|
| 143 |  Valar Atomics | $6B | n/a | -1.25% | United States | ||
| 298 |  Antares Nuclear | $2.06B | n/a | – | – | United States | |
| 325 |  Radiant | $1.81B | n/a | +0.57% | United States |
United States