Investor actively backing innovative startups and growth-stage companies across various industries and funding rounds.
| Company Name | Founded | Funding Stage | Amount | City |
|---|---|---|---|---|
| Polycarbin | 2023 | Seed | $4.2M | El Sobrante |
| Apis Innovation | 2023 | Venture - Series Unknown | $4.5M | Easton |
| Optimus Technologies | 2023 | Series A | $17.8M | Pittsburgh |
| Verde Technologies | 2026 | Venture - Series Unknown | $3.0M | Burlington |
| Clean Valley Bio-filtration Technologies | 2026 | Debt Financing | $4.0M | Dartmouth |
| Sinergy Flow | 2026 | Seed | $8.3M | Milano |
| BlueTrace | 2026 | Seed | $1.3M | Castine |
| Kara Water | 2025 | Equity Crowdfunding | $712K | New York |
| Switched Source | 2025 | Seed | $2.6M | Chicago |
| MicroEra Power | 2025 | Grant | $250K | Rochester |
| # | Company | Stage | Amount | Location |
|---|---|---|---|---|
| 26 | Polycarbin | Seed | $4.2M | El Sobrante, United States |
| 27 | Apis Innovation | Venture - Series Unknown | $4.5M | Easton, United States |
| 28 | Optimus Technologies | Series A | $17.8M | Pittsburgh, United States |
| 29 | Verde Technologies | Venture - Series Unknown | $3.0M | Burlington, United States |
| 30 | Clean Valley Bio-filtration Technologies | Debt Financing | $4.0M | Dartmouth, Canada |
| 31 | Sinergy Flow | Seed | $8.3M | Milano, Italy |
| 32 | BlueTrace | Seed | $1.3M | Castine, United States |
| 33 | Kara Water | Equity Crowdfunding | $712K | New York, United States |
| 34 | Switched Source | Seed | $2.6M | Chicago, United States |
| 35 | MicroEra Power | Grant | $250K | Rochester, United States |
Polycarbin is a sustainable lab products from in-house recycled plastics, reducing carbon emissions in the scientific supply chain.
Apis Innovation develops IoT technology that enables landfills to harvest more renewable energy from decomposing waste.
Optimus Technologies is the market leader in EPA compliant biodiesel conversion systems for medium- and heavy-duty trucks.
Verde Technologies specializes in the production of perovskite solar cells that offers thin film and flexible solar panels.
Clean Valley CIC is a group of entrepreneurs, engineers and environmental scientists with a nature-inspired ideas for Canadian Innovation.
Sinergy Flow enables the energy transition by developing redox flow batteries for energy storage.
BlueTrace offers a traceability solution for shellfish growers, wholesalers, distributors, and dealers.
Kara Water manufactures air-to-water devices and self-refilling coffee machines that extract water from air and add minerals.
Switched Source is a manufacturing company that develops medium-voltage devices to enhance utility operations through automation.
Resilient, efficient Thermal Energy Storage for C&I buildings
Enzinc is an advanced battery developer that offers rechargeable zinc-air batteries.
RenewCO2 is a research company that develops processes for converting CO2 into chemicals and fuels.
ByFusion Global is a waste to infrastructure company that provides solutions to address the global plastic crisis.
Radical Plastics is a radical solution to plastic pollution.
REplace is a tool for constructing renewable energy projects that makes determining the site of a solar or wind greenfield project simple.
Leeta Materials is a materials manufacturing company.
Kite Magnetics is an electric aviation motor manufacturing company.
Gencores provides a platform that reduces the risk of concussion with customizable, smart, shock-absorbing helmet inserts.
Moon Five Technologies is a clean energy startup that develops renter-first EV charging solutions for multifamily buildings.
Emulate provides SaaS for utilities to offer behind-the-meter services and optimize demand flexibility with virtual battery technology.
Capro-X is an ag-tech company that improves the sustainability in the dairy industry.
The most effective satellite-derived metocean data for offshore and maritime applications
Simusolar increases rural prosperity by selling and financing productive equipment to farmers and small businesses.
Muon Vision specializes in nuclear imaging sensors, IoT, slope stability, and data mining services.
Renegade Plastics offers an alternative to PVC-coated fabrics for a circular plastics economy in industry and agriculture.
Cleantech Open has invested in 147 companies tracked in our database. The portfolio spans multiple industries and funding stages, from seed-stage startups to late-stage companies.
Cleantech Open's top investment sectors include Energy, Renewable Energy, Manufacturing, Energy Efficiency, Waste Management. The firm invests across 50 different industry categories.
Among tracked funding rounds, Optimus Technologies received $17.8M in a Series A round. Cleantech Open's total known invested capital is $435.1M.
Cleantech Open's average investment size is $4.4M across its portfolio of 147 companies.
Recent Cleantech Open portfolio additions include Polycarbin, Apis Innovation, Optimus Technologies, Verde Technologies, Clean Valley Bio-filtration Technologies. These companies were founded in 2020 or later.
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