Membrion
PrivateLast Round
Series B
Extension
Oct 7, 2025
Total Funding Raised
$64.93M
Company Overview
Membrion is an environmental services company that develops and manufactures ceramic desalination membrane technology designed for industrial wastewater treatment.
Sector
Energy & Sustainability
Verticals
Water Treatment, Advanced Materials, Circular Economy, Clean Manufacturing, Waste Management
Business Model
B2B
Customer Profile
Hardware + Subscription, Hardware Sales, Government Contracts
AI Layer
Non-AI
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Membrion Comps
Public and private peers based on sector, stage, and business model.
Membrion Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series B Extension | Oct 7, 2025 | ||||
| Series B Extension | Oct 7, 2024 | ||||
| Accelerator | Mar 12, 2024 | ||||
| Series B | Aug 8, 2023 | ||||
| Grant | Sep 8, 2022 | ||||
Series A Extension | Sep 20, 2021 |
Key People
Founding team and executive leadership
Membrion Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Sierra Angels | Seed |
| WRF Capital | Series A |
| E8 Angels | Seed |
| Indico Capital Partners | Series B, Series B Extension |
| Lam Capital | Series B |
| PureTerra Ventures | Series B, Series B Extension |
| GiantLeap Capital | Series B, Series B Extension |
Market signals
Structured signals derived from secondary market and firmographic data.
- Oct 7, 2025
$20M raised in Series B Extension round.
- Aug 28, 2025
Patrick Ryan joins with 30+ years of industry experience.
Membrion Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
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Frequently Asked Questions
Common questions about Membrion's valuation, stock price, and market status.
