BEI Corp
PrivateLast Round
Series B
Aug 21, 2026
Est. Valuation
$75.2M
Total Funding Raised
$57.4M
Momentum
Top 1%
of companies Caplight tracks
Company Overview
BEI Corp is a battery manufacturer that develops high-energy density anode-free lithium metal batteries for unmanned aerial vehicles, robotics, and defense applications.
Sector
Energy & Sustainability
Verticals
Energy Storage, Advanced Materials, Defense Tech, Drones & UAVs
Business Model
B2B
Customer Profile
Hardware Sales
AI Layer
Non-AI
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
BEI Corp Comparables
Compare BEI Corp with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Sion Power | 79% | |
| PolyPlus Battery Company | 76% | |
| Amprius Technologies | 76% |
BEI Corp Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series B | Aug 21, 2026 | ||||
| Series B | Jul 7, 2026 | ||||
| Debt | Sep 1, 2025 | ||||
| Series A Extension | Dec 1, 2024 | ||||
| Series A | Nov 1, 2024 |
Key People
Founding team and executive leadership
BEI Corp Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Welcome Ventures | Series B |
| KC Investment Partners | Series B |
| Premier Partners | Series B |
| ES Investor | Series B, Series A Extension |
| Korea Development Bank | Series B |
| Korea SMEs and Startups Agency | Series A Extension |
| SJ Investment Partners | Series B |
Market signals
Structured signals derived from secondary market and firmographic data.
- Aug 21, 2026
$20M round with participation from Ecopro Partners and In-Q-Tel.
- Jul 28, 2026
Grew 21% QoQ, from 19 to 23 employees.
BEI Corp 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 BEI Corp's valuation, stock price, and market status.
Is BEI Corp a public or private company?
BEI Corp is a private company.
What is the current stock price of BEI Corp?
BEI Corp is a private company with no public stock price. Caplight tracks BEI Corp's secondary market activity and provides MarketPrice™ estimates to Caplight users.
How much is BEI Corp worth (valuation)?
BEI Corp's valuation is estimated at $75.2M based on funding round data.
Can I buy BEI Corp stock?
BEI Corp shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.
When was BEI Corp's last funding round?
BEI Corp's most recent funding round was Series B on September 1, 2025.
Who are the main investors in BEI Corp?
Key investors in BEI Corp include Welcome Ventures, KC Investment Partners, Premier Partners, ES Investor, Korea Development Bank.
Will BEI Corp IPO soon?
No public IPO plans have been announced for BEI Corp.
How can I track BEI Corp secondary market activity?
Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor BEI Corp's secondary market activity and sign up for updates.