# Alumni Ventures' Cleantech Investments: 16 Startups in Its Portfolio (2026) > The 16 Cleantech startups Alumni Ventures has backed, by stage: $1.7B raised between them. From the rounds we track; updated nightly. Source: https://millionrounds.com/portfolio-maps/us-strategic-tech-fund-an-alumni-ventures-fund-cleantech-portfolio (Millionrounds; every figure on the page links to its filing or article) ## Pre-seed and seed 6 - [American Supercritical](https://millionrounds.com/company/american-supercritical) - [Kodama Systems](https://millionrounds.com/company/kodama-systems) - [AirMyne](https://millionrounds.com/company/airmyne) - [*GG* Good Goods](https://millionrounds.com/company/good-goods) - [Enough Energy](https://millionrounds.com/company/enough-energy) - [Earthbond](https://millionrounds.com/company/earthbond) ## Series A 5 - [Pacific Fusion](https://millionrounds.com/company/pacific-fusion) - [Treehouse](https://millionrounds.com/company/treehouse) - [Mantel](https://millionrounds.com/company/mantel) - [Cambium Carbon](https://millionrounds.com/company/cambium-carbon) - [Trashie](https://millionrounds.com/company/trashie) ## Series C and later 3 - [Lunar Energy](https://millionrounds.com/company/lunar-energy) - [Arcadia](https://millionrounds.com/company/arcadia) - [Omnidian](https://millionrounds.com/company/omnidian) ## Stage not reported 2 - [FreeWire Technologies](https://millionrounds.com/company/freewire-technologies) - [ItsElectric](https://millionrounds.com/company/itselectric) ## Segment by segment ### Pre-seed and seed 6 startups · $25M raised - [**American Supercritical**](https://millionrounds.com/company/american-supercritical) American Supercritical is an energy technology company that develops supercritical carbon dioxide (sCO2) power systems. United States $8.0M - [**Kodama Systems**](https://millionrounds.com/company/kodama-systems) Restoring forests for future generations United States $7.0M - [**AirMyne**](https://millionrounds.com/company/airmyne) AirMyne is a Direct Air Capture (DAC) company based in Berkeley, California, founded in 2022. United States $6.9M - [*GG* **Good Goods**](https://millionrounds.com/company/good-goods) Good Goods is a collaborative retail model for shared urban spaces. - $2.1M - [**Enough Energy**](https://millionrounds.com/company/enough-energy) Enough Energy develops energy storage and power conversion technologies, including a battery-integrated EV charger for rapid charging. United Kingdom $1.1M - [**Earthbond**](https://millionrounds.com/company/earthbond) We've leveraged climate finance and AI to build a credit model that helps African businesses get reliable, affordable solar. Nigeria $200K ### Series A 5 startups · $993M raised - [**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 - [**Treehouse**](https://millionrounds.com/company/treehouse) Treehouse is a Food and Beverage Services company. United States $35M - [**Mantel**](https://millionrounds.com/company/mantel) Mantel is a climate technology startup based in Cambridge, Massachusetts, focused on developing molten-salt-based carbon capture technology. United States $30M - [**Cambium Carbon**](https://millionrounds.com/company/cambium-carbon) Cambium Carbon is an early-stage social enterprise startup focused on implementing systems-level natural climate solutions. United States $19M - [**Trashie**](https://millionrounds.com/company/trashie) Trashie gives people an easy and convenient way to recycle unwanted clothing, shoes, accessories, linens, and more, keeping waste United States $10M ### Series C and later 3 startups · $681M raised - [**Lunar Energy**](https://millionrounds.com/company/lunar-energy) Lunar Energy is a renewable energy company based in Mountain View, California, founded in 2020. United States $334M - [**Arcadia**](https://millionrounds.com/company/arcadia) United States $245M - [**Omnidian**](https://millionrounds.com/company/omnidian) Omnidian is a Seattle-based renewable energy technology company founded in 2016. United States $102M ### Stage not reported 2 startups · $31M raised - [**FreeWire Technologies**](https://millionrounds.com/company/freewire-technologies) FreeWire Technologies is a provider of ultrafast electric vehicle (EV) charging solutions that mitigate the impact on the grid. United States $29M - [**ItsElectric**](https://millionrounds.com/company/itselectric) itselectric is electric vehicle charging purpose-built for drivers who park their cars on city streets. United States $2.2M **How this map is made.** Every startup here works in Cleantech and has raised money in a round we track that names Alumni Ventures as an investor. Each sits under the stage of its latest round. Rebuilt nightly; updated 15 November 2026. ## More portfolio maps [All portfolios](https://millionrounds.com/portfolio-maps) [Sector portfolio **Alumni Ventures' AI portfolio** 302 startups · $36B](https://millionrounds.com/portfolio-maps/us-strategic-tech-fund-an-alumni-ventures-fund-ai-portfolio)[Sector portfolio **Alumni Ventures' Fintech portfolio** 85 startups · $5.9B](https://millionrounds.com/portfolio-maps/us-strategic-tech-fund-an-alumni-ventures-fund-fintech-portfolio)[Sector portfolio **Alumni Ventures' Healthtech portfolio** 65 startups · $5.7B](https://millionrounds.com/portfolio-maps/us-strategic-tech-fund-an-alumni-ventures-fund-healthtech-portfolio)[Sector portfolio **Alumni Ventures' Biotech portfolio** 57 startups · $2.3B](https://millionrounds.com/portfolio-maps/us-strategic-tech-fund-an-alumni-ventures-fund-biotech-portfolio)[Sector portfolio **Alumni Ventures' Big Data & Analytics portfolio** 53 startups · $1.2B](https://millionrounds.com/portfolio-maps/us-strategic-tech-fund-an-alumni-ventures-fund-big-data-analytics-portfolio)[Sector portfolio **Alumni Ventures' Web3 & Crypto portfolio** 36 startups · $2.4B](https://millionrounds.com/portfolio-maps/us-strategic-tech-fund-an-alumni-ventures-fund-web3-crypto-portfolio) ## Raising from investors like Alumni Ventures? 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