Membrion
PrivateLast Round
Series B
Extension
Oct 7, 2025
Total Funding Raised
$62.57M
Momentum
Top 50%
of companies Caplight tracks
Company Overview
Membrion is an environmental services company that develops and manufactures ceramic desalination membrane technology designed for industrial wastewater treatment.
Sector
Frontier & Industrial Tech
Verticals
Water Treatment, Clean Manufacturing, Advanced Materials, Smart Manufacturing
Business Model
B2B
Customer Profile
Usage-Based SaaS, Services & Consulting
AI Layer
Non-AI
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Membrion Comparables
Compare Membrion with similar companies based on industry and business-model similarity.
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 | ||||
Grant | 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 |
| E8 | Seed |
| Lam Capital | Series B |
| PureTerra Ventures | 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.