Sepion
PrivateLast Round
Series B
Apr 17, 2026
Total Funding Raised
$59M
Company Overview
-
Sector
Energy & Sustainability
Verticals
Advanced Materials, Energy Storage, Electric Vehicles
Business Model
B2B
Customer Profile
Hardware Sales, Government Contracts
AI Layer
Non-AI
Keywords
lithium-metal batteriescoated separatorsbattery componentsdendrite preventionlithium-metal anodeEV batteriesnext-gen batteriesnon-flammable liquid electrolytesadvanced materialsbattery separatorbattery safetydeep techPolymers of Intrinsic MicroporosityPIMsdrop-in solutionenergy storage
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Sepion Comps
Public and private peers based on sector, stage, and business model.
Sepion Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series B | Apr 17, 2026 | ||||
| Grant | Oct 3, 2024 | ||||
| Series B | Mar 26, 2024 | ||||
| Series A | Nov 18, 2021 | ||||
| Seed | Jan 1, 2019 | ||||
Grant | Feb 29, 2016 |
Sepion Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Fine Structure Ventures | Series A, Series B |
| Dolby Family Ventures | Series A |
| BlueYard Capital | Seed |
| Cantos Ventures | Seed |
| Creative Ventures | Series A, Seed |
| Calm Ventures | Series A |
| Gaingels | Series A |
Market signals
Structured signals derived from secondary market and firmographic data.
- Apr 17, 2026
$10M round led by Fine Structure Ventures.
- Oct 3, 2024
$18M grant received from California Energy Commission and CALSTART.
Sepion 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 Sepion's valuation, stock price, and market status.
