Gross-Wen Technologies
PrivateLast Round
Series B
Mar 26, 2026
Total Funding Raised
$22.63M
Momentum
Top 25%
of companies Caplight tracks
Company Overview
Gross-Wen Technologies operates in Energy & Sustainability and is based in Slater, Iowa. Its latest recorded funding round was a Debt round in February 2026.
Gross-Wen Technologies is a clean technology company that provides a sustainable, algae-based wastewater treatment solution using its patented Revolving Algal Biofilm (RAB™) system.
Sector
Energy & Sustainability
Verticals
Water Treatment, Circular Economy
Business Model
B2B
Customer Profile
Hardware Sales, Services & Consulting
AI Layer
Non-AI
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Gross-Wen Technologies Comparables
Compare Gross-Wen Technologies with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Algaesys | 80% | |
| Industrial Phycology | 79% | |
| CLEARAS Water Recovery | 78% |
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Gross-Wen Technologies Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series B | Mar 26, 2026 | ||||
| Debt | Feb 20, 2026 | ||||
| Series B | Jun 3, 2022 | ||||
| Series A | Aug 20, 2021 | ||||
| Grant | Jan 21, 2021 | ||||
Grant | Jul 17, 2020 |
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Key People
Founding team and executive leadership
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Gross-Wen Technologies Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Ag Startup Engine | Series A |
| Ankeny Angels | Series A |
| ISA Ventures | Series A |
| Iowa Farm Bureau Federation | Series A |
| Iowa State University Startup Factory | Accelerator |
| AiiM Partners | Series B |
| Doerfer Companies | Angel |
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Market signals
Structured signals derived from secondary market and firmographic data.
- Apr 18, 2026
Monthly visitors increased 54% MoM.
- Mar 26, 2026
$20M round completed.
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Gross-Wen Technologies Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
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Frequently Asked Questions
Common questions about Gross-Wen Technologies's valuation, stock price, and market status.
Is Gross-Wen Technologies a public or private company?
Gross-Wen Technologies is a private company.
What is the current stock price of Gross-Wen Technologies?
Gross-Wen Technologies is a private company, so its shares have no public market price. Caplight tracks Gross-Wen Technologies's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Gross-Wen Technologies worth (valuation)?
Valuation information for Gross-Wen Technologies is not publicly available.
Can I buy Gross-Wen Technologies stock?
Gross-Wen Technologies shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Gross-Wen Technologies's last funding round?
Gross-Wen Technologies's most recent funding round was Series B on March 26, 2026.
Who are the main investors in Gross-Wen Technologies?
Key investors in Gross-Wen Technologies include ISA Ventures, Iowa Farm Bureau Federation, Doerfer Companies.
Will Gross-Wen Technologies IPO soon?
No public IPO plans have been announced for Gross-Wen Technologies.
How can I track Gross-Wen Technologies secondary market activity?
Caplight tracks bids, offers, and trades in Gross-Wen Technologies's shares on secondary markets.