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
23 Companies
| Rank | |||||||
|---|---|---|---|---|---|---|---|
| 51 |  Helion Energy | $15.5B | n/a | -7.32% | United States | ||
| 66 |  Base Power | $13B | n/a | -0.77% | United States | ||
| 143 |  Valar Atomics | $6B | n/a | -1.25% | United States | ||
| 144 |  Redwood Materials | $6B | $200M | -1.95% | United States | ||
| 250 |  TAE Technologies | $2.9B | n/a | -5.72% | United States | ||
| 253 |  Proxima Fusion | $2.7B | n/a | +2.56% | Germany | ||
| 260 |  EnergyX | $2.59B | n/a | +0.24% | United States | ||
| 274 |  Sila | $2.33B | n/a | +1.66% | United States | ||
| 282 |  Form Energy | $2.27B | n/a | +3.99% | United States | ||
| 298 |  Antares Nuclear | $2.06B | n/a | – | – | United States | |
| 299 |  Solugen | $2.05B | n/a | +0.00% | United States | ||
| 324 |  Giga Energy | $1.88B | n/a | – | – | United States | |
| 325 |  Radiant | $1.81B | n/a | +0.57% | United States | ||
| 349 |  Mariana Minerals | $1.5B | n/a | – | – | United States | |
| 363 |  Type One Energy | $1.47B | n/a | – | – | United States | |
| 381 |  Lyten | $1.29B | n/a | -3.88% | United States | ||
| 411 |  Emerald AI | $1.05B | n/a | – | – | United States | |
| 414 |  Palmetto | $1.03B | n/a | -7.63% | United States | ||
| 430 |  TAR | $1B | n/a | – | – | United States | |
| 449 |  EcoFlow | $1B | n/a | -1.22% | China | ||
| 474 |  Redaptive | $772.1M | $68M | +0.00% | United States | ||
| 536 |  Terabase Energy | $349.53M | n/a | +0.00% | United States | ||
| 538 |  GridCARE | $347M | n/a | – | – | United States |
United States
Germany
China