United Solar Holding Inc.
PrivateLast Round
Private Equity
Jun 10, 2026
Total Funding Raised
$1.56B
Momentum
Top 10%
of companies Caplight tracks
Company Overview
United Solar Holding Inc. is a clean energy company that manufactures high-purity polysilicon for the global solar photovoltaic industry.
Sector
Energy & Sustainability
Verticals
Renewable Energy, Advanced Materials, Clean Manufacturing, Supply Chain
Business Model
B2B
Customer Profile
Services & Consulting
AI Layer
Non-AI
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
United Solar Holding Inc. Comparables
Compare United Solar Holding Inc. with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Polysilicon Technology Company | 90% | |
| OCI Holdings | 83% | |
| Corning | 74% |
United Solar Holding Inc. Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Private Equity | Jun 10, 2026 | ||||
| Series B Extension | Jan 31, 2026 | ||||
| Debt | Jan 19, 2026 | ||||
| Private Equity | Nov 1, 2025 | ||||
| Series B | Jun 1, 2025 | ||||
Convertible Debt | Oct 2, 2024 |
United Solar Holding Inc. Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| IDG Capital | Series A |
| First Abu Dhabi Bank | Debt |
| Abu Dhabi Commercial Bank | Debt |
| International Finance Corporation | Debt, Private Equity |
| Oman Investment Authority | Convertible Debt, Private Equity |
| OPEC Fund for International Development | Debt |
| ewpartners | Series A |
Market signals
Structured signals derived from secondary market and firmographic data.
- Aug 21, 2026
Monthly visitors increased 42% MoM, reaching 3K.
- Jul 26, 2026
Monthly visitors increased 110% MoM.
United Solar Holding Inc. 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 United Solar Holding Inc.'s valuation, stock price, and market status.
Is United Solar Holding Inc. a public or private company?
United Solar Holding Inc. is a private company.
What is the current stock price of United Solar Holding Inc.?
United Solar Holding Inc. is a private company with no public stock price. Caplight tracks United Solar Holding Inc.'s secondary market activity and provides MarketPrice™ estimates to Caplight users.
How much is United Solar Holding Inc. worth (valuation)?
Valuation information for United Solar Holding Inc. is not publicly available.
Can I buy United Solar Holding Inc. stock?
United Solar Holding Inc. 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 United Solar Holding Inc.'s last funding round?
United Solar Holding Inc.'s most recent funding round was Private Equity on June 10, 2026.
Who are the main investors in United Solar Holding Inc.?
Key investors in United Solar Holding Inc. include IDG Capital, First Abu Dhabi Bank, Abu Dhabi Commercial Bank, International Finance Corporation, Oman Investment Authority.
Will United Solar Holding Inc. IPO soon?
No public IPO plans have been announced for United Solar Holding Inc..
How can I track United Solar Holding Inc. secondary market activity?
Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor United Solar Holding Inc.'s secondary market activity and sign up for updates.