As of 14 Oct 2026, Inertia has raised $450M across 1 verified round on record; latest: $450 million Series A led by Bessemer Venture Partners, announced 11 Feb 2026.
Inertia accelerates clean fusion energy with proven science, expert leadership, and a clear plan to deliver safe, affordable, limitless power.
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1 source
The release names additional participants as “and more,” but no further firms are identified in the round announcement. Livermore, Calif. is the dateline, not a stated headquarters.
| Round | Amount | Announced | Lead | Buzz |
|---|---|---|---|---|
| Series A [ 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. | $450M | 2026-02-11 | Bessemer Venture Partners | No recent discussion |
1 source [ VERIFIED ] read against 1 source The release names additional participants as “and more,” but no further firms are identified in the round announcement. Livermore, Calif. is the dateline, not a stated headquarters. | ||||