cfs
PrivateLast Round
Series B
Extension
8/28/2025
Last Round Size
$863M
Total Funding Raised
$2.9B
Company Overview
Commonwealth Fusion Systems is an energy technology company focused on designing and constructing fusion machines that deliver limitless, clean energy while leveraging advanced magnet technology to combat climate change.
Sector
Energy
Historical Pricing
Historical view of private secondary pricing and transaction trends.
cfs Comps
Related companies by embedding similarity.
cfs Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series B Extension | 8/28/2025 | ||||
| Series B | 12/1/2021 | ||||
| Series A Extension | 5/26/2020 | ||||
| Series A | 6/27/2019 |
cfs 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 cfs's valuation, stock price, and market status.
