Graphene Square Inc.
PrivateLast Round
Private Equity
Apr 24, 2025
Total Funding Raised
$22.59M
Momentum
Top 25%
of companies Caplight tracks
Company Overview
Graphene Square Inc. is a materials science company that manufactures graphene films, develops chemical vapor deposition (CVD) equipment, and produces commercial graphene-based applications.
Sector
Frontier & Industrial Tech
Verticals
Advanced Materials, Semiconductors, Consumer Electronics, Smart Manufacturing, Home & Lifestyle
Business Model
B2B
Customer Profile
Hardware Sales, Services & Consulting, Government Contracts
AI Layer
Non-AI
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Graphene Square Inc. Comparables
Compare Graphene Square Inc. with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| General Graphene | 84% | |
| Graphenea | 83% | |
| Grolltex | 81% |
Graphene Square Inc. Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Private Equity | Apr 24, 2025 | ||||
| Grant | Dec 1, 2024 | ||||
| Series B | Jul 1, 2023 | ||||
| VC Round | Mar 1, 2020 | ||||
| VC Round | Jun 1, 2018 | ||||
Seed | Oct 1, 2017 |
Key People
Founding team and executive leadership
Graphene Square Inc. Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Gyeongsangbuk-do Provincial Government | Grant |
| DS Asset Management | Series B |
| BSK Investment | VC Round |
| Wonik Investment Partners | Seed |
| Pohang City Government | Grant |
| Ministry of Trade, Industry and Energy | Grant |
| Samsung Venture Investment | Series B |
Market signals
Structured signals derived from secondary market and firmographic data.
- Aug 20, 2026
Monthly visitors increased 46% MoM.
- Jan 1, 2026
Monthly visitors grew 67% MoM, reaching 3.9K.
Graphene Square 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 Graphene Square Inc.'s valuation, stock price, and market status.
Is Graphene Square Inc. a public or private company?
Graphene Square Inc. is a private company.
What is the current stock price of Graphene Square Inc.?
Graphene Square Inc. is a private company with no public stock price. No recent secondary market data is available.
How much is Graphene Square Inc. worth (valuation)?
Valuation information for Graphene Square Inc. is not publicly available.
Can I buy Graphene Square Inc. stock?
Graphene Square 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 Graphene Square Inc.'s last funding round?
Graphene Square Inc.'s most recent funding round was Private Equity on April 24, 2025.
Who are the main investors in Graphene Square Inc.?
Key investors in Graphene Square Inc. include Samsung Venture Investment.
Will Graphene Square Inc. IPO soon?
No public IPO plans have been announced for Graphene Square Inc..
How can I track Graphene Square Inc. secondary market activity?
Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Graphene Square Inc.'s secondary market activity and sign up for updates.