
helion
PrivateLast Round
Series F
1/28/2025
Last Round Size
$425M
Est. Valuation
$5.4B
Total Funding Raised
$1B
Company Overview
Developer of a fusion power plant designed to produce clean and virtually limitless electricity.
Sector
ClimateTech / Sustainable
Historical Pricing
Historical view of private secondary pricing and transaction trends.
helion Comps
Related companies by embedding similarity.
helion Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series F | 1/28/2025 | ||||
| Strategic | 9/27/2023 | ||||
| Series E | 11/5/2021 | ||||
| Series D | 9/22/2020 | ||||
| Series C | 1/1/2019 | ||||
Grant | 9/30/2015 |
helion Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
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Frequently Asked Questions
Common questions about helion's valuation, stock price, and market status.