Membrane Solutions
PrivateLast Round
Early Funding
Aug 1, 2025
Company Overview
Membrane Solutions is a manufacturing company that develops and manufactures membrane filtration products for the life science, microelectronics, and water treatment industries.
Sector
Frontier & Industrial Tech
Verticals
Water Treatment, Biotech Equipment, Advanced Materials, Clean Manufacturing
Business Model
B2B
Customer Profile
Hardware Sales, Services & Consulting, Hardware + Subscription
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Membrane Solutions Comparables
Compare Membrane Solutions with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Sterlitech Corporation | 85% | |
| Synder Filtration | 83% | |
| Cobetter Filtration | 78% |
Membrane Solutions Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Early Funding | Aug 1, 2025 | ||||
| Series A Extension | Feb 29, 2024 | ||||
| Series A | Dec 1, 2022 | ||||
| Pre Seed | May 1, 2022 |
Membrane Solutions Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Shanghai Shengyu Equity Investment Fund Management | Series A Extension |
| Huatai Zijin Investment | Early Funding |
| Addor Capital | Early Funding |
| HongShan Capital Group (HSG) | Series A Extension, Series A |
| 毅达资本 | Pre Seed |
Market signals
Structured signals derived from secondary market and firmographic data.
- Aug 1, 2025
Raised capital from Huatai Zijin Investment, Addor Capital, and cehif.
- Oct 24, 2024
Monthly visitors increased 172% MoM, reaching 46.7K.
Recent news
Latest coverage and updates
- attends_eventAug 22, 2026
Membrane Solutions, LLC. attends its third consecutive Outdoor Retailer Exhibition in Minnesota on Aug 20-21, 2026, and showcases new outdoor water filtration solutions.
- launchesAug 22, 2026
Membrane Solutions, LLC. launches new outdoor water filtration solutions, including an upgraded Personal Water Filter Straw and C5 24oz 6-Stage Water Filter Bottle, at the Minneapolis Convention Center in Minnesota during Outdoor Retailer 2026 on Aug 20th-21st '26.
Membrane Solutions Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
Request accessFrequently Asked Questions
Common questions about Membrane Solutions's valuation, stock price, and market status.
Is Membrane Solutions a public or private company?
Membrane Solutions is a private company.
What is the current stock price of Membrane Solutions?
Membrane Solutions is a private company, so its shares have no public market price. Caplight tracks Membrane Solutions's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Membrane Solutions worth (valuation)?
Valuation information for Membrane Solutions is not publicly available.
Can I buy Membrane Solutions stock?
Membrane Solutions shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Membrane Solutions's last funding round?
Membrane Solutions's most recent funding round was Early Funding on August 1, 2025.
Who are the main investors in Membrane Solutions?
Key investors in Membrane Solutions include HongShan Capital Group (HSG), 毅达资本.
Will Membrane Solutions IPO soon?
No public IPO plans have been announced for Membrane Solutions.
How can I track Membrane Solutions secondary market activity?
Caplight tracks bids, offers, and trades in Membrane Solutions's shares on secondary markets.