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Realta Fusion
Energy · Madison, United States · Founded 2022
Industrial heat and power from fusion MoreLess
Realta Fusion is a company developing compact and cost-effective fusion generators. The company's approach is based on magnetic mirror technology, a concept that has been explored for decades but is now being advanced with modern technology.
Realta Fusion's generators are designed to be smaller and more affordable than traditional fusion reactors, making them suitable for a wider range of applications. The company is initially targeting industrial clients that require a constant and reliable source of heat and power for their operations. The business model is focused on partnering with these industrial players to build and operate the first commercial fusion plants.
Keywords: fusion energy, magnetic mirror, compact reactors, industrial heat, power generation, clean energy, deep tech, energy transition, industrial decarbonization, sustainable energy
Company overview
Realta Fusion company information
The essential company record, classifications and operating signals in one place.
- Status
- Operational
- Founded
- 2022
- Headquarters
- Madison, United States
- Employees
- 62
- Open positions
- 2
- Dealroom signal
- 93.9
Valuation & funding
Realta Fusion funding history
Company financing events and reported valuations.
| Deal type | Date | Amount | Valuation | Investors | Source |
|---|---|---|---|---|---|
| DEBT✓Debt | Feb 2026 | $9.5M | — | Silicon Valley Bank | ↗ |
| SERIES A✓Equity / VC | May 2025 | $36M | $144M | WARF Ventures · SiteGround Capital · Avila · GSBackers | ↗ |
| EARLY VC✓Equity / VC | Dec 2024 | $0 | — | TitletownTech | ↗ |
| GRANT✓Other financing | May 2023 | $3M | — | ARPA-E | ↗ |
| SEED✓Equity / VC | May 2023 | $9M | $36M | Khosla Ventures | ↗ |
| SPINOUT✓Other financing | Jan 2022 | WARF Ventures · University of Wisconsin-Madison | — |
Financials
Workforce over time
Available workforce history. Financial fields without reported data are omitted.
| Year | Employees |
|---|---|
| 2026 | 67 |
| 2025 | 37 |
| 2024 | 19 |
| 2023 | 11 |
Growth signals
Realta Fusion website traffic
Latest recorded traffic for Realta Fusion is 16K monthly website visits, up 281% over the last three months. Realta Fusion's team grew 67.6% over the past year.
Hiring
Open positions at Realta Fusion
Current openings linked to this company in Dealroom.
Comparisons
Realta Fusion compared with similar companies
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Talent graph
Realta Fusion's talent
Source: Dealroom Talent Intelligence.
Investors
12 investors on Realta Fusion's cap table
Sourced from Dealroom's funding and investor records. Investor profile links are shown where available.
Global footprint
Where Realta Fusion has talent and traffic
team presence
In the news
Latest news about Realta Fusion
Recent press, funding announcements, and product moves mentioning Realta Fusion — open to read from the original sources.
Market sentiment
What the market is saying about Realta Fusion
An AI-synthesized read of the highest-engagement posts about Realta Fusion on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.
Reading the room on X — pulling top posts and synthesizing themes…
Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour
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