# Ciri Ventures

> Ciri Ventures is a VC fund backing Water, CleanTech and Construction. See 13 investments, check sizes, portfolio. Updated Aug 2026.

- Type: VC Fund
- Total investments: 13
- Last investment: Mar 2026
- Lead investor: 15%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/company/ciri-ventures/
- Website: https://www.ciri.ventures 

Ciri Ventures is a venture capital firm that provides investment and support for early stage companies. The firm engages in pre-seed and seed round. It emphasizes on funding companies that are focused on climate innovation technology.

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $2.7M–$6M |
| Pre-Seed | $1.5M–$2.2M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Water | 2 | 15% |
| CleanTech | 2 | 15% |
| Construction | 2 | 15% |
| Manufacturing | 2 | 15% |
| Renewable Energy | 2 | 15% |

17 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 6 | 46% |
| Pre-Seed | 2 | 15% |
| Funding Round | 1 | 8% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 4 | 31% |
| Switzerland | 2 | 15% |
| Canada | 1 | 8% |
| Mexico | 1 | 8% |
| Singapore | 1 | 8% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| MediSun Energy | MediSun Energy is a technology-driven company dedicated to providing clean and affordable energy. The company's WEGEN Reverse Electrodialysis (RED) technology transforms saltwater into electricity, unlocking the ocean's immense potential for renewable energy. Dedicated to achieving a net-carbon-neutral future, the goal is to build a worldpowered entirely by clean, sustainable energy through the seamless integration of commercial viability and eco-friendly solutions. | $3M | Seed | Mar 31, 2026 |  |
| MediSun Energy | MediSun Energy is a technology-driven company dedicated to providing clean and affordable energy. The company's WEGEN Reverse Electrodialysis (RED) technology transforms saltwater into electricity, unlocking the ocean's immense potential for renewable energy. Dedicated to achieving a net-carbon-neutral future, the goal is to build a worldpowered entirely by clean, sustainable energy through the seamless integration of commercial viability and eco-friendly solutions. | $3.2M | Seed | Sep 01, 2025 |  |
| Crosstown H2R | Crosstown H2R is a product-focused company that was spun out from crosstown power, provides customized H2R® burners for gas turbine decarbonization and NOx reduction. | $3.8M | Seed | Jul 04, 2025 |  |
| New Iridium | New Iridium helps to decarbonize the chemical industry by utilizing CO2 to create value-added products and reducing carbon emissions through highly efficient chemical manufacturing. They efficiently upcycles CO2 to produce green and lower-cost products. By consuming more CO2 than emitted by the process and combining CO2 with lower-cost alternativefeedstocks, our technology creates carbon-negative and lower-cost versions of existing commodity chemicals. | $2.7M | Seed | Jun 11, 2025 |  |
| BioEsol | BioEsol is revolutionizing energy access for businesses through BioEnergia Total, an AI-driven Energy-as-a-Service (EaaS) model that provides clean, reliable, and cost-efficient energy without upfront investment. Our recurring revenue model is built on 10-15 year energy contracts, ensuring long-term stability and predictable savings for ourclients.By integrating advanced energy storage systems, predictive analytics, and real-time optimization, BioEsol enables businesses to achieve energy independence, cost savings, and operational resilience while seamlessly transitioning to renewable energy.Our smart energy platform leverages AI, weather forecasting, and data-driven energy management to maximize efficiency, reduce carbon footprints, and eliminate energy-related risks. With strategic alliances and a strong track record, BioEsol is redefining energy access—empowering businesses to take control of their energy future. |  | Seed | Mar 25, 2025 |  |
| MediSun Energy | MediSun Energy is a technology-driven company dedicated to providing clean and affordable energy. The company's WEGEN Reverse Electrodialysis (RED) technology transforms saltwater into electricity, unlocking the ocean's immense potential for renewable energy. Dedicated to achieving a net-carbon-neutral future, the goal is to build a worldpowered entirely by clean, sustainable energy through the seamless integration of commercial viability and eco-friendly solutions. | $3.8M | Seed | Nov 25, 2024 |  |
| MediSun Energy | MediSun Energy is a technology-driven company dedicated to providing clean and affordable energy. The company's WEGEN Reverse Electrodialysis (RED) technology transforms saltwater into electricity, unlocking the ocean's immense potential for renewable energy. Dedicated to achieving a net-carbon-neutral future, the goal is to build a worldpowered entirely by clean, sustainable energy through the seamless integration of commercial viability and eco-friendly solutions. | $3.8M | Seed | Nov 25, 2024 |  |
| Aquaria | Aquaria provides solutions to secure access to clean water. The organization adapts its approaches based on the needs of these communities. It addresses water-related challenges through various methods. | $12M |  | Nov 20, 2024 |  |
| Nevoya | Nevoya's focus on zero-emission freight transport is a significant step toward sustainability in the logistics industry. Nevoya is an electric truckload carriers can help reduce the carbon footprint of shipping while also potentially lowering operational costs in the long run. | $3M | Seed | Sep 30, 2024 |  |
| Anodyne Chemistries | Anodyne's mission is to create critical chemicals sustainably. Anodyne's approach takes advantage of nature's factories, enzymes, and renewable electricity to produce carbon negative chemicals.Our breakthrough technology eliminates emissions by transforming CO2 into strategic chemicals, materials and fuels that today are madefrom fossil fuels. Carbon utilization fundamentally changes how we recycle emissions into products so that we can address climate change and reverse the carbon imbalance. Reimagining how we turn emissions into valuable products, we’re on a mission to create a climate positive world through the power of biochemistry and renewable energy.The company is based in Vancouver, Canada. | $6M | Seed | Apr 02, 2024 |  |

10 of 13 investments shown.

## Co-investors
- [Climate Insiders](https://shizune.co/investors/profile/climate-insiders) — VC Fund, 4 deals together
- [MOAJ Holding](https://shizune.co/investors/profile/moaj-holding) — VC Fund, 4 deals together
- [TNB Aura](https://shizune.co/investors/profile/tnb-ventures-pte-ltd) — VC Fund, 4 deals together
- [Climate Capital](https://shizune.co/investors/profile/climate-capital) — VC Fund, 2 deals together
- [Unruly Capital](https://shizune.co/investors/profile/unruly-capital) — VC Fund, 2 deals together
- [Vynn Capital](https://shizune.co/investors/profile/vynn-capital) — VC Fund, 2 deals together

## Similar investors

### Similar industry
- [Lowercarbon Capital](https://shizune.co/investors/profile/lowercarbon-capital) — VC Fund
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- [HTGF (High-Tech Gruenderfonds)](https://shizune.co/investors/profile/high-tech-gr%C3%BCnderfonds) — VC Fund

### Similar stage
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### Similar country
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## FAQ

### What does Ciri Ventures invest in?

Ciri Ventures invests primarily in Water, CleanTech and Construction startups, most often at Seed and Pre-Seed stage. Most of the 13 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Ciri Ventures's check size?

Ciri Ventures typically joins rounds of $2.7M–$6M at Seed and $1.5M–$2.2M at Pre-Seed. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Ciri Ventures participates in.

### When did Ciri Ventures last invest?

The most recent investment recorded for Ciri Ventures closed in Mar 2026. Shizune tracks 13 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.

### Is Shizune's investor data accurate?

Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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