Portfolio map · VC firm · United States

Breakthrough Energy portfolio map

81 startups Breakthrough Energy has backed in rounds we track, since 2019, grouped by their main sector. Together they have raised $14B; Breakthrough Energy led at least one round in 5 of them. The biggest sector is Energy, with 25 companies.

81startups backed
8sectors
$14Braised between them
Energybiggest sector

Breakthrough Energy's investor profile

Energy

25

+1 more

Cleantech

23

Agtech

11

AI

7

Aerospace & Space

5

Construction

4

Chemicals & Materials

3

Biotech

3

Segment by segment

Energy

25 startups · $3.8B raised

  1. Form EnergyForm Energy develops and commercializes a low-cost battery system that can store wind and solar energy for a long duration.United States$2.0B
  2. Antora EnergyAntora Energy is an American energy technology company founded in 2018, focused on developing modular thermal batteries that proviUnited States$565M
  3. Heron PowerHeron Power is an energy infrastructure company based in Scotts Valley, California, founded in 2024 by Drew Baglino, a former TeslUnited States$238M
  4. VEIRVEIR is a technology company founded in 2019, based in Woburn, Massachusetts.United States$185M
  5. KolomaKoloma is a geologic hydrogen company that leverages technology and data to identify and commercialize geologic hydrogen resources.United States$111M
  6. Mangrove LithiumDevelops a platform for the most cost-effective production of battery grade lithium hydroxide from diverse input streams and assets.Canada$101M
  7. Xcimer EnergyXcimer Energy is an inertial fusion company offering laser-driven fusion to provide cheap, abundant, and carbon-free energy.United States$100M
  8. Rondo EnergyRondo Heat Battery powers industrial processes with renewable electricity, cutting energy costs and eliminating emissions.United States$80M

Cleantech

23 startups · $5.1B raised

  1. CFCommonwealth Fusion SystemsUnited States$1.9B
  2. Fervo EnergyFervo Energy develops clean energy technology to generate carbon-free energy from geothermal systems.United States$1.1B
  3. Pacific FusionPacific Fusion was founded in 2023 to deliver commercial fusion energy to power cities, businesses and homes.United States$900M
  4. HHeirloomUnited States$203M
  5. Zap EnergyZap Energy is an American company founded in 2017, headquartered in Everett, Washington, with research facilities in Mukilteo and Seattle.United States$130M
  6. Terabase EnergyTerabase Energy is a solar technology company based in Berkeley, California, founded in 2019.United States$130M
  7. CarbonCure TechnologiesCarbonCure Technologies Inc.Canada$88M
  8. Type One EnergyStellarator technology to transform energy markets with fusion power.United States$88M

Agtech

11 startups · $365M raised

  1. MIMotif IngredientsUnited States$118M
  2. MillMill Industries Inc., founded in 2020 by Matt Rogers and Harry Tannenbaum, is an environmental technology company based in San BruUnited States$70M
  3. Iron OxIron Ox is a Y Combinator-backed AgTech company based in San Carlos, California, founded in 2015.United States$53M
  4. GALYGALY is a biotechnology and climate tech company founded in 2019 and headquartered in Boston, Massachusetts, with research operatiUnited States$34M
  5. Windfall BioWindfall Bio is a nature-based agricultural technology company founded in 2022.United States$28M
  6. BIOMILQBIOMILQ is a North Carolina-based biotechnology company focused on developing cell-cultured human milk to enhance infant nutrition.United States$21M
  7. Hoofprint BiomeHoofprint Biome is an agricultural biotechnology company based in Raleigh, North Carolina, founded in 2023.United States$15M
  8. Decibel BioDecibel Bio is a plant biotechnology company based in Berkeley, California, founded in 2024.United States$12M

AI

7 startups · $1.7B raised

  1. KoBold MetalsKoBold Metals is a scientific mineral exploration and development company based in Berkeley, California.United States$1.5B
  2. GridCAREGridCARE is an energy technology company based in Redwood City, California, founded in 2024.United States$78M
  3. GeologicAIGeologicAI is a leader in geoscience data acquisition and resource modeling, founded in 2013 in Calgary, Alberta.Canada$44M
  4. WeaveWeave is a boutique consulting firm that specializes in extending its services within supply chain planning to its diverse clientele.United States$34M
  5. PlantedPlanted is a mobile and online recruitment platform that matches recent graduates with non-technical roles at high-growth companies.United States$32M
  6. Blip EnergyBlip is building a drop-in distributed energy resource to mitigate surging demand, optimize user costs and reduce utility operating costs.United States$500K
  7. Heirloom Cloud CorporationCelebrate all memories using connective artificial intelligence.United States$5K

Aerospace & Space

5 startups · $2.0B raised

  1. Stoke SpaceStoke Space is a U.S.United States$1.6B
  2. Cowboy Space CorporationCowboy Space Corporation is a space infrastructure company dedicated to building orbital data centers for artificial intelligence.United States$275M
  3. AetherfluxAetherflux develops a novel design for space.United States$50M
  4. AlbedoAlbedo, also known as Albedo Space, is an American aerospace company based in Broomfield, Colorado.United States$35M
  5. ArinnaArinna builds ultra-light, flexible high-power solar tech to energize space infrastructure and next-gen power systems.United States$4.0M

Construction

4 startups · $493M raised

  1. LuxWallLuxWall is a building materials manufacturer that innovates the design and production of vacuum-insulated glass.United States$154M
  2. Boston MetalBoston Metal is a metals production company that develops an electric-powered tech to decarbonize steelmaking and metal production.United States$146M
  3. NeutralNeutral provides highlend sports mouth guard for athletes.United States$145M
  4. MMotifUnited States$48M

Chemicals & Materials

3 startups · $165M raised

  1. TCTerra CO2United States$125M
  2. Molten IndustriesMolten Industries is a cleantech startup located in Oakland, California, founded in 2021.United States$25M
  3. Boston MaterialsBoston Materials is a manufacturer of advanced materials for semiconductors and aerospace platforms.United States$15M

Biotech

3 startups · $132M raised

  1. Prolific MachinesProlific Machines unlocks production of next-generation therapeutics with a light-controlled gene expression system and closed-loop control.United States$105M
  2. DMC BiotechnologiesDMC Biotechnologies produces bio-based chemicals using fermentation.United States$19M
  3. EVERBLOOMEverbloom provides creators capital, expertise, and community to accelerate their growthUnited States$7.5M

How this map is made. Every startup here has raised money in a round we track that names Breakthrough Energy as an investor, the first in 2019. Each sits under its main sector, read from its rounds, and each sector shows its best-funded first; sectors with fewer than three companies are left off. Rebuilt nightly; updated 15 November 2026.

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