PolyJoule
PrivateLast Round
Accelerator
Aug 14, 2024
Total Funding Raised
$1.03M
Momentum
Top 10%
of companies Caplight tracks
Company Overview
PolyJoule is an energy storage company that develops conductive polymer battery technology for safe, sustainable, and long-lasting stationary energy storage applications.
Sector
Energy & Sustainability
Verticals
Energy Storage, Advanced Materials, Smart Grid
Business Model
B2B
Customer Profile
Hardware Sales
AI Layer
Non-AI
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
PolyJoule Comparables
Compare PolyJoule with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Urban Electric Power | 82% | |
| Ambri | 81% | |
| Alsym Energy | 81% |
PolyJoule Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Accelerator | Aug 14, 2024 | ||||
| Grant | Feb 2, 2024 | ||||
| Grant | Aug 17, 2023 |
Key People
Founding team and executive leadership
PolyJoule Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| NYSERDA | Grant |
| The Jeremy and Hannelore Grantham Environmental Trust | Series A |
| Vinyl Institute | Grant |
| AWS Clean Energy Accelerator | Accelerator |
Market signals
Structured signals derived from secondary market and firmographic data.
- Jul 25, 2026
Monthly visitors grew 91% MoM, reaching 4.8K.
- Jun 18, 2026
Monthly visitors increased 87% MoM.
Recent news
Latest coverage and updates
- hiresJul 16, 2026
PolyJoule, Inc. hired Bud Collins as advisor to the company on Jul 16th '26.
- hiresJul 16, 2026
PolyJoule, Inc. hired Bart Riley as Chief Strategy Officer on Jul 16th '26.
PolyJoule 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 PolyJoule's valuation, stock price, and market status.
Is PolyJoule a public or private company?
PolyJoule is a private company.
What is the current stock price of PolyJoule?
PolyJoule is a private company with no public stock price. No recent secondary market data is available.
How much is PolyJoule worth (valuation)?
Valuation information for PolyJoule is not publicly available.
Can I buy PolyJoule stock?
PolyJoule 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 PolyJoule's last funding round?
PolyJoule's most recent funding round was Accelerator on August 14, 2024.
Who are the main investors in PolyJoule?
Key investors in PolyJoule include AWS Clean Energy Accelerator.
Will PolyJoule IPO soon?
No public IPO plans have been announced for PolyJoule.
How can I track PolyJoule secondary market activity?
Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor PolyJoule's secondary market activity and sign up for updates.