Funding round
Helion Series E
Helion, which works in fusion energy research and development in Everett, raised $500M in a Series E round announced on 5 Nov 2021, led by Sam Altman, at a $3.00B post-money valuation. 4 firms took part. It is Helion's third venture round on record; the one before was a Series D in Sep 2020.
$500M
Amount raised
$3.00B
Post-money valuation
$2.50B pre-money
4
Investors
1 lead
2.4x
Step-up from the Series D
$1.25B in Sep 2020
17%
Stake sold
new money over the post-money
Valuation
What this round says about the price
This round priced Helion at $3.00B after the new money, 2.4 times the $1.25B of its Series D (Sep 2020). The $500M bought investors about 17% of the company. It came 14 months after Helion's Series D. It is 34% of the $1.47B Helion has raised in the venture rounds on record. Helion raised again 22 months later: a Growth round of $35M in Sep 2023. Its next priced round, a Series F in Jan 2025, valued it at $5.42B.
Helion's funding rounds
Helion has 6 venture rounds on record. This one is highlighted.
Investors
Who put money in
Sam Altman led the round with 3 other firms.
Lead investor
- Sam Altman
Also in the round
- backs 16 venture-backed companies new investor
- Capricorn Investment Group new investor
- Dustin Moskovitz
Use of proceeds
What the money is for
According to the announcement, the money goes to product development, scaling operations and working capital.
- Product development
- Scaling operations
- Working capital
Comparable rounds
How it compares
The closest in time: 1 in Renewable energy companies, then Series E rounds in any sector within 6 months:
| Company | Announced | Amount | Post-money | Led by |
|---|---|---|---|---|
| NewLink Renewable energy companies | 19 Aug 2021 | $308M | not disclosed | not named |
| Socure Tech Companies | 9 Nov 2021 | $450M | $4.50B | Accel and T. Rowe Price |
| Tiki Decorators & Interior Designers | 9 Nov 2021 | $258M | $1.00B | AIA Group |
| HoneyBook Tech Companies | 3 Nov 2021 | $250M | $2.40B | Tiger Global |
| Verbit Tech Companies | 23 Nov 2021 | $250M | $2.00B | Third Point Ventures |
| Real Estate - Agents & Managers | 23 Nov 2021 | $210M | $1.00B | Tiger Global and General Atlantic |
| GrubMarket Groceries Delivery | 16 Nov 2021 | $200M | $1.20B | Tiger Global |
| Workato Tech Companies | 10 Nov 2021 | $200M | $5.70B | Battery Ventures |
Sources
Where this comes from
Reported by 3 sources.
Questions
Frequently asked
How much did Helion raise in its Series E round?
Helion raised $500M in its Series E round, announced in Nov 2021.
Who led Helion's Series E round?
Sam Altman led it, with Mithril, Capricorn Investment Group and Dustin Moskovitz.
What was Helion's valuation at the Series E round?
$3.00B post-money ($2.50B pre-money).
Did Helion raise again after this round?
Yes: a Growth round in Sep 2023 of $35M.