Funding round
Group14 Series D
Group14, which works in silicon battery material manufacturing in Woodinville, raised $463M in a Series D round announced on 20 Aug 2025, led by SK, Inc.. 7 firms took part, 7 of them already investors. It is Group14's fourth venture round on record; the one before was a Series C in May 2022.
$463M
Amount raised
Not disclosed
Post-money valuation
7
Investors
1 lead
Valuation
What this round says about the price
Group14 did not disclose a valuation in this round. It came 39 months after Group14's Series C. It is 52% of the $898M Group14 has raised in the venture rounds on record. No later venture round is on record for Group14.
Group14's funding rounds
Group14 has 4 venture rounds on record and 2 other deals. This one is highlighted.
- Series A 25 Nov 2019, led by Amperex Technologies Limited (ATL) $18M
- Series B 21 Dec 2020, led by SK Materials $17M
- Grant not a venture round 1 Jan 2022, led by U.S. Department of Energy $100M
- Series C 4 May 2022, led by Porsche Ventures $400M
- Grant not a venture round 20 Sep 2024, led by U.S. Department of Energy $200M
- Series D this round 20 Aug 2025, led by SK, Inc. $463M
Investors
Who put money in
SK, Inc. led the round with 6 other firms. SK, Inc., Porsche Investments, ATL and OMERS and 3 more had backed Group14 before.
Lead investor
- SK, Inc. existing investor
Also in the round
- Porsche Investments existing investor
- ATL existing investor
- OMERS existing investor
- Decarbonization Partners existing investor
- Lightrock backs 62 venture-backed companies existing investor
- Microsoft Climate Innovation Fund existing investor
Use of proceeds
What the money is for
According to the announcement, the money goes to geographic expansion, scaling operations, product development and acquisitions.
- Geographic expansion
- Scaling operations
- Product development
- Acquisitions
Comparable rounds
How it compares
The closest in time, other companies' Series D rounds in Batteries:
| Company | Announced | Amount | Post-money | Led by |
|---|---|---|---|---|
| Batteries | 8 Dec 2025 | $81M | not disclosed | Amazon.com, Inc. |
| Lunar Energy Batteries | 4 Feb 2026 | $102M | not disclosed | B Capital and Prelude Ventures |
| Batteries | 14 Jul 2026 | $97M | not disclosed | not named |
Sources
Where this comes from
Reported by 7 sources.
Questions
Frequently asked
How much did Group14 raise in its Series D round?
Group14 raised $463M in its Series D round, announced in Aug 2025.
Who led Group14's Series D round?
SK, Inc. led it, with Porsche Investments, ATL, OMERS, Decarbonization Partners and Lightrock and 1 more.
What was Group14's valuation at the Series D round?
It was not disclosed.