Startup · United States
Inertia
HQ LivermoreFounded 202451-200 employees
Inertia accelerates clean fusion energy with proven science, expert leadership, and a clear plan to deliver safe, affordable, limitless power.
Funding1 round · $450M
- Equity raised
- $450M
- Latest
- $450MSeries A · Feb 11, 2026
| Announced | Stage | Amount | Valuation | Lead investors | Other investors | Confidence |
|---|---|---|---|---|---|---|
| Feb 11, 2026 | Series A | $450M | — | Bessemer Venture Partners | GV, In-Q-Tel, Long Journey Ventures | Confirmed |
- $450MFeb 11, 2026
Raised counts equity rounds; debt, secondary sales and grants are totaled separately. Amounts in other currencies are converted at the announcement month's average rate. A ~ marks an estimated or converted amount.
Capabilities2
| Technology | Role | Maturity | TRL | Notes | Confidence |
|---|---|---|---|---|---|
| Fusion energy | Developer | — | — | Company-reported capability or material relationship; this mapping does not imply government endorsement, qualification or a contract. | Reported |
| Inertial and pulsed-power fusion | Developer | Development | — | — | Reported |
- DeveloperCompany-reported capability or material relationship; this mapping does not imply government endorsement, qualification or a contract.—Reported
Maturity and TRL describe this organization's work; the field-wide maturity is on each technology's page.
People4
- Annie Kritcher · LinkedIn ↗
Co-Founder and Chief Scientist
- Jeff Lawson · LinkedIn ↗
Co-Founder & CEO
- Mike Dunne · LinkedIn ↗
Co-Founder, CTO & SVP
- Melinda Lee · LinkedIn ↗
Chief Communications Officer & Head of External Affairs
Sources8
Profile3
- 1
PitchBook · Supports Organization · founded year, Organization · linkedin url
“founded_year: 2024”
- 2
Sixth-Domain · Supports Organization · country, Organization · kind
“{"country": "USA", "hq_iso2": "US", "id": "6df0eb97-84d5-416e-90f6-b0848b3d4817"}”
- 3
LinkedIn · Supports Organization · employee range, Organization · founded year, Organization · hq city, Organization · linkedin url
“employee_range: 51-200 (profile: 51-200 employees)”
Technologies1
- 4
Inertia · Supports Organization · description, Organization · name, Organization · website, Organization technology
“Inertia accelerates clean fusion energy with proven science, expert leadership, and a clear plan to deliver safe, affordable, limitless power.”
Funding3
- 5
Fusion Energy Base · Feb 11, 2026 · Supports Funding round, Organization · ownership
“was led by Bessemer Venture Partners and includes Threshold Ventures, Long Journey Ventures, and GV”
- 6
GlobeNewswire · Feb 11, 2026 · Supports Funding round · amount
“today announced a new $450 million investment”
- 7
Supports Funding round, Funding round · investors
“today announced a new $450 million investment to bring limitless clean energy to the world. The Series A round was led by Bessemer Venture Partners, with participation from additional firms including GV (Google Ventures), Modern Capital, Threshold Ventures, and more.”
People1
- 8
Crunchbase · Supports Organization · employee range, Organization · hq city, Organization · linkedin url, Role
“employee_range: 51-200 (profile: 51-100)”
Each fact on this page is attached to the sources that support it. Archived copies are linked when we keep one.