# MassChallenge's Cleantech Investments: 15 Startups in Its Portfolio (2026) > The 15 Cleantech startups MassChallenge has backed, by stage: $281M raised between them. From the rounds we track; updated nightly. Source: https://millionrounds.com/portfolio-maps/masschallenge-cleantech-portfolio (Millionrounds; every figure on the page links to its filing or article) ## Pre-seed and seed 8 - [Neology](https://millionrounds.com/company/neology) - [Dunya Analytics](https://millionrounds.com/company/dunya-analytics) - [TrashCon](https://millionrounds.com/company/trashcon) - [TechnoCarbon](https://millionrounds.com/company/technocarbon) - [QuantAQ, Inc.](https://millionrounds.com/company/quantaq-inc) - [Earthbond](https://millionrounds.com/company/earthbond) - [Pearl's Premium](https://millionrounds.com/company/pearl-s-premium) - [Graviky Labs](https://millionrounds.com/company/graviky-labs) ## Stage not reported 7 - [Skyven Technologies](https://millionrounds.com/company/skyven-technologies) - [Modvion](https://millionrounds.com/company/modvion) - [Altaeros Energies](https://millionrounds.com/company/altaeros-energies) - [Sunwealth Power](https://millionrounds.com/company/sunwealth-power) - [Samudra Oceans](https://millionrounds.com/company/samudra-oceans) - [Test1 soultions](https://millionrounds.com/company/test1-soultions) - [*A* Arbsource](https://millionrounds.com/company/arbsource) ## Segment by segment ### Pre-seed and seed 8 startups · $6.0M raised - [**Neology**](https://millionrounds.com/company/neology) Neology Hydrogen SA is a Swiss energy technology company based in Lutry, founded in 2023. Switzerland $1.9M - [**Dunya Analytics**](https://millionrounds.com/company/dunya-analytics) Digital technology empowering business to become nature positive. United States $1.2M - [**TrashCon**](https://millionrounds.com/company/trashcon) TrashCon is a waste management company based in Bengaluru, India, founded in 2017 by Nivedha R M and Saurabh Jain. India $1.0M - [**TechnoCarbon**](https://millionrounds.com/company/technocarbon) TechnoCarbon is a cleantech SAS company. France $792K - [**QuantAQ, Inc.**](https://millionrounds.com/company/quantaq-inc) QuantAQ, Inc. United States $760K - [**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 - [**Pearl's Premium**](https://millionrounds.com/company/pearl-s-premium) Pearl's Premium Ultra Low Maintenance can save you 75% of your time, money and watering! United States $50K - [**Graviky Labs**](https://millionrounds.com/company/graviky-labs) Graviky Labs harvests carbon emissions and turns it into advanced materials United States $50K ### Stage not reported 7 startups · $275M raised - [**Skyven Technologies**](https://millionrounds.com/company/skyven-technologies) Skyven Technologies is an energy-as-a-service company with a mission to decarbonize industrial process heat. United States $145M - [**Modvion**](https://millionrounds.com/company/modvion) Modvion develops modular wind power towers in composite materials. Sweden $52M - [**Altaeros Energies**](https://millionrounds.com/company/altaeros-energies) Altaeros Energies develops airborne wind turbine to produce abundant, low cost, renewable energy. United States $42M - [**Sunwealth Power**](https://millionrounds.com/company/sunwealth-power) Sunwealth Power is a renewable energy investment firm that manages and finances solar and storage installations. United States $20M - [**Samudra Oceans**](https://millionrounds.com/company/samudra-oceans) Samudra Oceans is a London-based climate technology startup founded in 2022, focused on advancing ocean farming and blue carbon capture. United Kingdom $14M - [**Test1 soultions**](https://millionrounds.com/company/test1-soultions) Test1 Solutions is an oil absorbent technology for hydrocarbons and their derivatives. Italy $1.8M - [*A* **Arbsource**](https://millionrounds.com/company/arbsource) Arbsource is developing wastewater treatment systems for the food & beverage industry. United States $300K **How this map is made.** Every startup here works in Cleantech and has raised money in a round we track that names MassChallenge 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 **MassChallenge's Healthtech portfolio** 77 startups · $395M](https://millionrounds.com/portfolio-maps/masschallenge-healthtech-portfolio)[Sector portfolio **MassChallenge's Biotech portfolio** 68 startups · $1.2B](https://millionrounds.com/portfolio-maps/masschallenge-biotech-portfolio)[Sector portfolio **MassChallenge's AI portfolio** 58 startups · $2.0B](https://millionrounds.com/portfolio-maps/masschallenge-ai-portfolio)[Sector portfolio **MassChallenge's Agtech portfolio** 28 startups · $72M](https://millionrounds.com/portfolio-maps/masschallenge-agtech-portfolio)[Sector portfolio **MassChallenge's Big Data & Analytics portfolio** 25 startups · $91M](https://millionrounds.com/portfolio-maps/masschallenge-big-data-analytics-portfolio)[Sector portfolio **MassChallenge's Hardware & Electronics portfolio** 21 startups · $233M](https://millionrounds.com/portfolio-maps/masschallenge-hardware-electronics-portfolio) ## Raising from investors like MassChallenge? 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