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
17 Companies
| Rank | |||||||
|---|---|---|---|---|---|---|---|
| 46 |  Helion Energy | $15.5B | n/a | +14.09% | United States | ||
| 58 |  Base Power | $13B | n/a | -52.07% | United States | ||
| 123 |  Valar Atomics | $6B | n/a | +19.06% | United States | ||
| 124 |  Redwood Materials | $6B | $200M | +4.48% | United States | ||
| 190 |  EnergyX | $3.26B | n/a | +2.89% | United States | ||
| 208 |  TAE Technologies | $2.9B | n/a | -24.77% | United States | ||
| 211 |  Proxima Fusion | $2.7B | n/a | +16.86% | Germany | ||
| 230 |  Sila | $2.33B | n/a | -1.62% | United States | ||
| 243 |  Antares Nuclear | $2.06B | n/a | – | – | United States | |
| 244 |  Solugen | $2.05B | n/a | +9.56% | United States | ||
| 263 |  Radiant | $1.81B | n/a | +21.53% | United States | ||
| 301 |  Lyten | $1.29B | n/a | +0.18% | United States | ||
| 329 |  Emerald AI | $1.05B | n/a | – | – | United States | |
| 332 |  Palmetto | $1.03B | n/a | -15.71% | United States | ||
| 351 |  EcoFlow | $1B | n/a | +0.00% | China | ||
| 372 |  Redaptive | $772.1M | $68M | +0.00% | United States | ||
| 428 |  Terabase Energy | $349.53M | n/a | +0.00% | United States |
United States
Germany
China