As of 14 Oct 2026, TerraPower has raised $650M across 1 verified round on record; latest: $650 million fundraise round, announced 18 Jun 2025.
TerraPower develops advanced nuclear energy technologies including the Natrium reactor and isotopes for medical applications.
terrapower.comLinkedInBellevue, WAEnergy
1 source
Sources agree. The company identifies NVentures as a new investor and Bill Gates and HD Hyundai as current investors participating in the fundraise; no lead investor is stated.
Published by hand (terrapower.com): "TerraPower, a leading nuclear innovation company, announced today the close of a $650 million fundraise.": biggest-rounds completeness (K): hand-checked, the cited page states $650 million
| Round | Amount | Announced | Lead | Buzz |
|---|---|---|---|---|
| Fundraise [ HISTORY ]: An earlier round, from the company's own announcement, found while researching the company. Checked like any round, but not new, so it stays out of the daily feed and alerts; a date range shows it. | $650M | 2025-06-18 | not stated | No recent discussion |
1 source [ VERIFIED · CORRECTED ] read against 1 source Sources agree. The company identifies NVentures as a new investor and Bill Gates and HD Hyundai as current investors participating in the fundraise; no lead investor is stated. Published by hand (terrapower.com): "TerraPower, a leading nuclear innovation company, announced today the close of a $650 million fundraise.": biggest-rounds completeness (K): hand-checked, the cited page states $650 million | ||||