# Breakthrough Energy Portfolio Map 2026: 81 Startups by Sector > Breakthrough Energy's portfolio mapped: 81 startups it has backed, in 8 sectors from Energy, Cleantech and Agtech on. Source: https://millionrounds.com/portfolio-maps/breakthrough-energy-portfolio-map (Millionrounds; every figure on the page links to its filing or article) ## Energy 25 - [Form Energy](https://millionrounds.com/company/form-energy) - [Antora Energy](https://millionrounds.com/company/antora-energy) - [Heron Power](https://millionrounds.com/company/heron-power) - [VEIR](https://millionrounds.com/company/veir) - [Koloma](https://millionrounds.com/company/koloma) - [Mangrove Lithium](https://millionrounds.com/company/mangrove-lithium) - [Xcimer Energy](https://millionrounds.com/company/xcimer-energy) - [Rondo Energy](https://millionrounds.com/company/rondo-energy) - [TS Conductor](https://millionrounds.com/company/ts-conductor) - [*E* ESS](https://millionrounds.com/company/ess) - [*M* Malta](https://millionrounds.com/company/malta) - [Fleetzero](https://millionrounds.com/company/fleetzero) - [RedoxBlox](https://millionrounds.com/company/redoxblox) - [Fourth Power](https://millionrounds.com/company/fourth-power) - [Mantle8](https://millionrounds.com/company/mantle8) - [Barocal](https://millionrounds.com/company/barocal) - [Still Bright](https://millionrounds.com/company/still-bright) - [Natel Energy](https://millionrounds.com/company/natel-energy) - [Blue World Technologies](https://millionrounds.com/company/blue-world-technologies) - [Quidnet Energy](https://millionrounds.com/company/quidnet-energy) - [AirLoom Energy](https://millionrounds.com/company/airloom-energy) - [CZero](https://millionrounds.com/company/czero) - [SparkMeter](https://millionrounds.com/company/sparkmeter) - [H2SITE](https://millionrounds.com/company/h2site) +1 more ## Cleantech 23 - [*CF* Commonwealth Fusion Systems](https://millionrounds.com/company/commonwealth-fusion-systems) - [Fervo Energy](https://millionrounds.com/company/fervo-energy) - [Pacific Fusion](https://millionrounds.com/company/pacific-fusion) - [*H* Heirloom](https://millionrounds.com/company/heirloom) - [Zap Energy](https://millionrounds.com/company/zap-energy) - [Terabase Energy](https://millionrounds.com/company/terabase-energy) - [CarbonCure Technologies](https://millionrounds.com/company/carboncure-technologies) - [Type One Energy](https://millionrounds.com/company/type-one-energy) - [Circ](https://millionrounds.com/company/circ) - [Aeroseal](https://millionrounds.com/company/aeroseal) - [Turntide Technologies](https://millionrounds.com/company/turntide-technologies) - [MAX](https://millionrounds.com/company/max) - [LanzaJet](https://millionrounds.com/company/lanzajet) - [Dandelion Energy](https://millionrounds.com/company/dandelion-energy) - [Deep Sky](https://millionrounds.com/company/deep-sky) - [CubicPV](https://millionrounds.com/company/cubicpv) - [Graphyte](https://millionrounds.com/company/graphyte) - [Mission Zero](https://millionrounds.com/company/mission-zero) - [Baseload Capital](https://millionrounds.com/company/baseload-capital) - [Arnergy](https://millionrounds.com/company/arnergy) - [Kodama Systems](https://millionrounds.com/company/kodama-systems) - [HyperHeat](https://millionrounds.com/company/hyperheat) - [MacroCycle Technologies](https://millionrounds.com/company/macrocycle-technologies) ## Agtech 11 - [*MI* Motif Ingredients](https://millionrounds.com/company/motif-ingredients) - [Mill](https://millionrounds.com/company/mill) - [Iron Ox](https://millionrounds.com/company/iron-ox) - [GALY](https://millionrounds.com/company/galy) - [Windfall Bio](https://millionrounds.com/company/windfall-bio) - [BIOMILQ](https://millionrounds.com/company/biomilq) - [Hoofprint Biome](https://millionrounds.com/company/hoofprint-biome) - [Decibel Bio](https://millionrounds.com/company/decibel-bio) - [Kodama](https://millionrounds.com/company/kodama) - [NitroVolt](https://millionrounds.com/company/nitrovolt) - [Rumin8](https://millionrounds.com/company/rumin8) ## AI 7 - [KoBold Metals](https://millionrounds.com/company/kobold-metals) - [GridCARE](https://millionrounds.com/company/gridcare) - [GeologicAI](https://millionrounds.com/company/geologicai) - [Weave](https://millionrounds.com/company/weave) - [Planted](https://millionrounds.com/company/planted) - [Blip Energy](https://millionrounds.com/company/blip-energy) - [Heirloom Cloud Corporation](https://millionrounds.com/company/heirloom-cloud-corporation) ## Aerospace & Space 5 - [Stoke Space](https://millionrounds.com/company/stoke-space) - [Cowboy Space Corporation](https://millionrounds.com/company/cowboy-space-corporation) - [Aetherflux](https://millionrounds.com/company/aetherflux) - [Albedo](https://millionrounds.com/company/albedo) - [Arinna](https://millionrounds.com/company/arinna) ## Construction 4 - [LuxWall](https://millionrounds.com/company/luxwall) - [Boston Metal](https://millionrounds.com/company/boston-metal) - [Neutral](https://millionrounds.com/company/neutral) - [*M* Motif](https://millionrounds.com/company/motif) ## Chemicals & Materials 3 - [*TC* Terra CO2](https://millionrounds.com/company/terra-co2) - [Molten Industries](https://millionrounds.com/company/molten-industries) - [Boston Materials](https://millionrounds.com/company/boston-materials) ## Biotech 3 - [Prolific Machines](https://millionrounds.com/company/prolific-machines) - [DMC Biotechnologies](https://millionrounds.com/company/dmc-biotechnologies) - [EVERBLOOM](https://millionrounds.com/company/everbloom) ## Segment by segment ### Energy 25 startups · $3.8B raised - [**Form Energy**](https://millionrounds.com/company/form-energy) Form Energy develops and commercializes a low-cost battery system that can store wind and solar energy for a long duration. United States $2.0B - [**Antora Energy**](https://millionrounds.com/company/antora-energy) Antora Energy is an American energy technology company founded in 2018, focused on developing modular thermal batteries that provi United States $565M - [**Heron Power**](https://millionrounds.com/company/heron-power) Heron Power is an energy infrastructure company based in Scotts Valley, California, founded in 2024 by Drew Baglino, a former Tesl United States $238M - [**VEIR**](https://millionrounds.com/company/veir) VEIR is a technology company founded in 2019, based in Woburn, Massachusetts. United States $185M - [**Koloma**](https://millionrounds.com/company/koloma) Koloma is a geologic hydrogen company that leverages technology and data to identify and commercialize geologic hydrogen resources. United States $111M - [**Mangrove Lithium**](https://millionrounds.com/company/mangrove-lithium) Develops a platform for the most cost-effective production of battery grade lithium hydroxide from diverse input streams and assets. Canada $101M - [**Xcimer Energy**](https://millionrounds.com/company/xcimer-energy) Xcimer Energy is an inertial fusion company offering laser-driven fusion to provide cheap, abundant, and carbon-free energy. United States $100M - [**Rondo Energy**](https://millionrounds.com/company/rondo-energy) Rondo Heat Battery powers industrial processes with renewable electricity, cutting energy costs and eliminating emissions. United States $80M ### Cleantech 23 startups · $5.1B raised - [*CF* **Commonwealth Fusion Systems**](https://millionrounds.com/company/commonwealth-fusion-systems) United States $1.9B - [**Fervo Energy**](https://millionrounds.com/company/fervo-energy) Fervo Energy develops clean energy technology to generate carbon-free energy from geothermal systems. United States $1.1B - [**Pacific Fusion**](https://millionrounds.com/company/pacific-fusion) Pacific Fusion was founded in 2023 to deliver commercial fusion energy to power cities, businesses and homes. United States $900M - [*H* **Heirloom**](https://millionrounds.com/company/heirloom) United States $203M - [**Zap Energy**](https://millionrounds.com/company/zap-energy) Zap Energy is an American company founded in 2017, headquartered in Everett, Washington, with research facilities in Mukilteo and Seattle. United States $130M - [**Terabase Energy**](https://millionrounds.com/company/terabase-energy) Terabase Energy is a solar technology company based in Berkeley, California, founded in 2019. United States $130M - [**CarbonCure Technologies**](https://millionrounds.com/company/carboncure-technologies) CarbonCure Technologies Inc. Canada $88M - [**Type One Energy**](https://millionrounds.com/company/type-one-energy) Stellarator technology to transform energy markets with fusion power. United States $88M ### Agtech 11 startups · $365M raised - [*MI* **Motif Ingredients**](https://millionrounds.com/company/motif-ingredients) United States $118M - [**Mill**](https://millionrounds.com/company/mill) Mill Industries Inc., founded in 2020 by Matt Rogers and Harry Tannenbaum, is an environmental technology company based in San Bru United States $70M - [**Iron Ox**](https://millionrounds.com/company/iron-ox) Iron Ox is a Y Combinator-backed AgTech company based in San Carlos, California, founded in 2015. United States $53M - [**GALY**](https://millionrounds.com/company/galy) GALY is a biotechnology and climate tech company founded in 2019 and headquartered in Boston, Massachusetts, with research operati United States $34M - [**Windfall Bio**](https://millionrounds.com/company/windfall-bio) Windfall Bio is a nature-based agricultural technology company founded in 2022. United States $28M - [**BIOMILQ**](https://millionrounds.com/company/biomilq) BIOMILQ is a North Carolina-based biotechnology company focused on developing cell-cultured human milk to enhance infant nutrition. United States $21M - [**Hoofprint Biome**](https://millionrounds.com/company/hoofprint-biome) Hoofprint Biome is an agricultural biotechnology company based in Raleigh, North Carolina, founded in 2023. United States $15M - [**Decibel Bio**](https://millionrounds.com/company/decibel-bio) Decibel Bio is a plant biotechnology company based in Berkeley, California, founded in 2024. United States $12M ### AI 7 startups · $1.7B raised - [**KoBold Metals**](https://millionrounds.com/company/kobold-metals) KoBold Metals is a scientific mineral exploration and development company based in Berkeley, California. United States $1.5B - [**GridCARE**](https://millionrounds.com/company/gridcare) GridCARE is an energy technology company based in Redwood City, California, founded in 2024. United States $78M - [**GeologicAI**](https://millionrounds.com/company/geologicai) GeologicAI is a leader in geoscience data acquisition and resource modeling, founded in 2013 in Calgary, Alberta. Canada $44M - [**Weave**](https://millionrounds.com/company/weave) Weave is a boutique consulting firm that specializes in extending its services within supply chain planning to its diverse clientele. United States $34M - [**Planted**](https://millionrounds.com/company/planted) Planted is a mobile and online recruitment platform that matches recent graduates with non-technical roles at high-growth companies. United States $32M - [**Blip Energy**](https://millionrounds.com/company/blip-energy) Blip is building a drop-in distributed energy resource to mitigate surging demand, optimize user costs and reduce utility operating costs. United States $500K - [**Heirloom Cloud Corporation**](https://millionrounds.com/company/heirloom-cloud-corporation) Celebrate all memories using connective artificial intelligence. United States $5K ### Aerospace & Space 5 startups · $2.0B raised - [**Stoke Space**](https://millionrounds.com/company/stoke-space) Stoke Space is a U.S. United States $1.6B - [**Cowboy Space Corporation**](https://millionrounds.com/company/cowboy-space-corporation) Cowboy Space Corporation is a space infrastructure company dedicated to building orbital data centers for artificial intelligence. United States $275M - [**Aetherflux**](https://millionrounds.com/company/aetherflux) Aetherflux develops a novel design for space. United States $50M - [**Albedo**](https://millionrounds.com/company/albedo) Albedo, also known as Albedo Space, is an American aerospace company based in Broomfield, Colorado. United States $35M - [**Arinna**](https://millionrounds.com/company/arinna) Arinna 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 - [**LuxWall**](https://millionrounds.com/company/luxwall) LuxWall is a building materials manufacturer that innovates the design and production of vacuum-insulated glass. United States $154M - [**Boston Metal**](https://millionrounds.com/company/boston-metal) Boston Metal is a metals production company that develops an electric-powered tech to decarbonize steelmaking and metal production. United States $146M - [**Neutral**](https://millionrounds.com/company/neutral) Neutral provides highlend sports mouth guard for athletes. United States $145M - [*M* **Motif**](https://millionrounds.com/company/motif) United States $48M ### Chemicals & Materials 3 startups · $165M raised - [*TC* **Terra CO2**](https://millionrounds.com/company/terra-co2) United States $125M - [**Molten Industries**](https://millionrounds.com/company/molten-industries) Molten Industries is a cleantech startup located in Oakland, California, founded in 2021. United States $25M - [**Boston Materials**](https://millionrounds.com/company/boston-materials) Boston Materials is a manufacturer of advanced materials for semiconductors and aerospace platforms. United States $15M ### Biotech 3 startups · $132M raised - [**Prolific Machines**](https://millionrounds.com/company/prolific-machines) Prolific Machines unlocks production of next-generation therapeutics with a light-controlled gene expression system and closed-loop control. United States $105M - [**DMC Biotechnologies**](https://millionrounds.com/company/dmc-biotechnologies) DMC Biotechnologies produces bio-based chemicals using fermentation. United States $19M - [**EVERBLOOM**](https://millionrounds.com/company/everbloom) Everbloom provides creators capital, expertise, and community to accelerate their growth United 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. ## More portfolio maps [All portfolios](https://millionrounds.com/portfolio-maps) [VC firm · United States **Techstars** 1,119 startups · 12 sectors · $16B](https://millionrounds.com/portfolio-maps/techstars-portfolio-map)[VC firm · United States **Alumni Ventures** 745 startups · 12 sectors · $64B](https://millionrounds.com/portfolio-maps/us-strategic-tech-fund-an-alumni-ventures-fund-portfolio-map)[VC firm · United States **Andreessen Horowitz** 694 startups · 12 sectors · $497B](https://millionrounds.com/portfolio-maps/andreessen-horowitz-portfolio-map)[VC firm · United States **Sequoia Capital** 651 startups · 12 sectors · $677B](https://millionrounds.com/portfolio-maps/sequoia-capital-portfolio-map)[VC firm · United States **SV Angel** 548 startups · 12 sectors · $79B](https://millionrounds.com/portfolio-maps/sv-angel-portfolio-map)[VC firm · United States **General Catalyst** 538 startups · 12 sectors · $230B](https://millionrounds.com/portfolio-maps/general-catalyst-portfolio-map) ## Raising from investors like Breakthrough Energy? 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