Funding round
new cleo Growth
Reported as "Growth Equity"
new cleo, which works in nuclear reactor design and engineering in Paris, raised $89M in a Growth round announced on 23 Feb 2026. 10 firms took part. It is new cleo's fourth venture round on record; the one before was a Series A in Sep 2024.
$89M
Amount raised
Not disclosed
Post-money valuation
10
Investors
no lead named
Valuation
What this round says about the price
new cleo did not disclose a valuation in this round. It came 17 months after new cleo's Series A. It is 13% of the $670M new cleo has raised in the venture rounds on record. No later venture round is on record for new cleo.
Investors
Who put money in
10 firms took part; no lead investor was named.
Investors
- Kairos new investor
- backs 18 venture-backed companies new investor
- Azimut Investments new investor
- CERN Pension Fund new investor
- Walter Tosto new investor
- Danieli new investor
- Cementir Holding new investor
- Orion Valves new investor
- NextChem new investor
- Family Offices new investor
Use of proceeds
What the money is for
According to the announcement, the money goes to product development, geographic expansion and scaling operations.
- Product development
- Geographic expansion
- Scaling operations
Comparable rounds
How it compares
20 Growth rounds in Renewable energy companies within a year either side disclosed an amount; the median was $100M, and this round was close to the median. The closest in time, other companies' Growth rounds in Renewable energy companies:
| Company | Announced | Amount | Post-money | Led by |
|---|---|---|---|---|
| Renewable energy companies | 19 Feb 2026 | $47M | not disclosed | International Airlines Group (IAG) and Shell |
| Renewable energy companies | 3 Feb 2026 | $29M | not disclosed | RA Capital |
| Renewable energy companies | 18 Dec 2025 | $50M | not disclosed | Oklo and Norrsken Launcher |
| Acelen Renováveis Renewable energy companies | 26 May 2026 | $1.50B | not disclosed | International Finance Corporation and HSBC |
| Matrix Renewables Renewable energy companies | 23 Jun 2026 | $210M | not disclosed | DESRI |
| Renewable energy companies | 9 Sep 2025 | $200M | not disclosed | Magnetar Capital |
| Hydrostor Renewable energy companies | 12 Aug 2026 | $230M | not disclosed | not named |
| Jupiter Power Renewable energy companies | 16 Sep 2026 | $1.40B | not disclosed | not named |
Sources
Where this comes from
Reported by 4 sources.
Questions
Frequently asked
How much did new cleo raise in its Growth round?
new cleo raised $89M in its Growth round, announced in Feb 2026.
Which investors took part in new cleo's Growth round?
Kairos, Indaco Venture Partners, Azimut Investments, CERN Pension Fund, Walter Tosto and Danieli and 4 more.
What was new cleo's valuation at the Growth round?
It was not disclosed.
How does it compare with other Growth rounds in Renewable energy companies?
20 Growth rounds in Renewable energy companies within a year either side disclosed an amount; the median was $100M, and this round was close to the median.