Sepion Technologies
PrivateLast Round
Series B
Mar 26, 2026
Total Funding Raised
$61.98M
Momentum
Top 10%
of companies Caplight tracks
Company Overview
Sepion Technologies operates in Energy & Sustainability and is based in Alameda, California. Its latest recorded funding round was a Series B round in March 2026.
Sepion Technologies is a battery materials innovation company that develops advanced polymer coatings and membrane technologies for lithium-ion and lithium-metal batteries.
Sector
Energy & Sustainability
Verticals
Advanced Materials, Energy Storage, Electric Vehicles
Business Model
B2B
Customer Profile
Hardware Sales, Services & Consulting
AI Layer
Application
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Sepion Technologies Comparables
Compare Sepion Technologies with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Nuvola Technology | 89% | |
| Dreamweaver International | 84% | |
| Natrion | 82% |
For institutional investors. Book with your work email.
Sepion Technologies Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series B | Mar 26, 2026 | ||||
| Grant | Oct 3, 2024 | ||||
| Grant | Nov 22, 2022 | ||||
| Series A | Nov 18, 2021 | ||||
| Grant | Jan 10, 2019 | ||||
Seed | Jan 1, 2019 |
For institutional investors. Book with your work email.
Key People
Founding team and executive leadership
For institutional investors. Book with your work email.
Sepion Technologies Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Impact Science | Series B, Series A |
| Fine Structure Ventures | Series B, Series A |
| Dolby Family Ventures | Series A |
| BlueYard Capital | Seed |
| Cantos Ventures | Seed |
| Creative Ventures | Series A, Seed |
| Gaingels | Series A |
For institutional investors. Book with your work email.
Market signals
Structured signals derived from secondary market and firmographic data.
- Jul 27, 2026
Monthly visitors increased 51% MoM.
- Jul 25, 2026
Added Syensqo SA, a Chemicals/Materials Science company, as a customer.
For institutional investors. Book with your work email.
Sepion Technologies 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.
Book a demoFor institutional investors. Book with your work email.
Frequently Asked Questions
Common questions about Sepion Technologies's valuation, stock price, and market status.
Is Sepion Technologies a public or private company?
Sepion Technologies is a private company.
What is the current stock price of Sepion Technologies?
Sepion Technologies is a private company, so its shares have no public market price. Caplight tracks Sepion Technologies's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Sepion Technologies worth (valuation)?
Valuation information for Sepion Technologies is not publicly available.
Can I buy Sepion Technologies stock?
Sepion Technologies shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Sepion Technologies's last funding round?
Sepion Technologies's most recent funding round was Series B on March 26, 2026.
Who are the main investors in Sepion Technologies?
Key investors in Sepion Technologies include Fine Structure Ventures, Creative Ventures.
Will Sepion Technologies IPO soon?
No public IPO plans have been announced for Sepion Technologies.
How can I track Sepion Technologies secondary market activity?
Caplight tracks bids, offers, and trades in Sepion Technologies's shares on secondary markets.