Private Market View

Breakthrough Energy

Other · Kirkland, Washington

AUM
$1K
Portfolio companies
104
Recorded deals
13
2 in last 12M
Last investment
Apr 2026

Key facts

  • Breakthrough Energy is a other based in Kirkland, Washington with 104 tracked portfolio companies.
  • Notable positions include Stoke Space, Redwood Materials, KoBold Metals, Fervo Energy, Aetherflux.
  • Private Market View records 13 deal participations by Breakthrough Energy.
  • Breakthrough Energy’s most recent recorded investment was in Apr 2026, one of 2 in the last 12 months and 6 over two years.
  • Breakthrough Energy has 7 funds on record, raising $3.1B across the 5 that report a size.
  • The team roster lists 2 people.

About Breakthrough Energy

Breakthrough Energy is a foundation based in Kirkland, Washington. Established in 2016, it is an impact investment firm based in Kirkland, Washington. The foundation seeks to make minority investments in seed-stage, early-stage, and later-stage companies operating in the environmental services and cleantech sectors. The assets of the foundation are managed by the executive management team.

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  • ·The book's top 25 — of 104 recorded positions
  • ·Every recorded deal — 13 rounds
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Portfolio, priced

104 companies · by our current valuations
CompanyValuationRole
Stoke Space$9.0B
Redwood Materials$4.6B
KoBold Metals$3.0B
Fervo Energy$2.9B
Aetherflux$2.0B
Our Next Energy$1.3B
Zap Energy$1.1B
SOURCE$1.1B
Type One Energy$1.0B
Boston Metal$931.0M
Koloma$845.7M
Mariana Minerals$775.0M
LanzaJet$697.0M
Heron Power$675.0M
Mill Industries$670.0M
+ 89 more companies · a free account shows the top of the book

Recent deals

13 recorded
Apr 2026Mariana MineralsEarly Stage VC (Series A)$73.5M
Feb 2026Stoke SpaceSeries D$860.0M
Mar 2025Stoke SpaceSeries C$260.0M
Jan 2025KoBold MetalsSeries C$537.0M
Oct 2024LuxWallSeries B$51.0M
Sep 2024Mariana MineralsSeed Round$10.0M
Oct 2023Stoke SpaceSeries B$100.0M
Mar 2023KoBold MetalsSeries B$195.0M

Funds

6 of 7 recorded
  • Explorer 1 Fund (Explorer 1 Fund)
  • Breakthrough Energy Ventures Select Fund II, L.P.2026$600.0M
  • Breakthrough Energy Ventures Select Fund I, L.P.2023$555.0M
  • Breakthrough Energy Ventures III, L.P.2023$839.4M
  • Breakthrough Energy Ventures II, L.P.2020
  • Breakthrough Energy Ventures Europe SCSp2019$50.0M

$3.1B raised across the 5 funds that report a size

All 7 funds →
Team
2 people on record — 2 with verified contacts

Partners, principals, and the people who answer a pitch. Pro members reveal contacts with credits.

See the team →

Frequently asked

What companies does Breakthrough Energy invest in?
Breakthrough Energy has 104 recorded portfolio companies, including Stoke Space, Redwood Materials, KoBold Metals, Fervo Energy.
What is Breakthrough Energy's AUM?
Breakthrough Energy manages approximately $1K in assets.
Is Breakthrough Energy actively investing?
Breakthrough Energy's most recent recorded investment was in Apr 2026, with 2 investments in the last 12 months.