Tethis, Inc.
PrivateLast Round
Series C
Feb 14, 2018
Total Funding Raised
$21.55M
Company Overview
Tethis, Inc. operates in Energy & Sustainability and is based in Raleigh, North Carolina. Its latest recorded funding round was a Series C round in February 2018.
Tethis, Inc. is a materials science company that develops and markets plant-based, biodegradable, and plastic-free superabsorbent materials for use in personal hygiene and industrial applications.
Sector
Energy & Sustainability
Verticals
Sustainable Materials, Advanced Materials, Clean Manufacturing, Circular Economy
Business Model
B2B
Customer Profile
Services & Consulting
AI Layer
Non-AI
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Tethis, Inc. Comparables
Compare Tethis, Inc. with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Itaconix plc | 78% | |
| Polygreen Group | 76% | |
| A&B Smart Materials | 76% |
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Tethis, Inc. Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series C | Feb 14, 2018 | ||||
| Early Funding | Jan 30, 2017 | ||||
| Series B | Jun 23, 2015 | ||||
| Series A | Feb 13, 2013 |
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Tethis, Inc. Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Carolina Angel Network | Series C |
| Acorn Innovestments | Series B |
| Wolfpack Investor Network | Series C |
Market signals
Structured signals derived from secondary market and firmographic data.
- Feb 4, 2026
Monthly visitors grew 63% MoM, reaching 1.5K.
- May 2, 2025
Monthly visitors increased 110% MoM.
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Tethis, Inc. 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 Tethis, Inc.'s valuation, stock price, and market status.
Is Tethis, Inc. a public or private company?
Tethis, Inc. is a private company.
What is the current stock price of Tethis, Inc.?
Tethis, Inc. is a private company, so its shares have no public market price. Caplight tracks Tethis, Inc.'s secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Tethis, Inc. worth (valuation)?
Valuation information for Tethis, Inc. is not publicly available.
Can I buy Tethis, Inc. stock?
Tethis, Inc. shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Tethis, Inc.'s last funding round?
Tethis, Inc.'s most recent funding round was Series C on February 14, 2018.
Who are the main investors in Tethis, Inc.?
Key investors in Tethis, Inc. include Carolina Angel Network, Acorn Innovestments, Wolfpack Investor Network.
Will Tethis, Inc. IPO soon?
No public IPO plans have been announced for Tethis, Inc..
How can I track Tethis, Inc. secondary market activity?
Caplight tracks bids, offers, and trades in Tethis, Inc.'s shares on secondary markets.