Great Sky
PrivateLast Round
Early Stage
VC
Jul 10, 2026
Total Funding Raised
$14M
Momentum
Top 5%
of companies Caplight tracks
Company Overview
Great Sky operates in AI, Data & Cloud Infrastructure and is based in Boulder, Colorado. Its latest recorded funding round was a Seed round in March 2026.
Great Sky is an application specific semiconductors company developing a computing hardware technology designed to eliminate data bottlenecks by augmenting silicon microelectronics with superconducting circuits and leveraging light for communication.
Sector
AI, Data & Cloud Infrastructure
Verticals
Computing Hardware, Semiconductors, AI Training Infrastructure, Defense Tech
Business Model
B2B
Customer Profile
Hardware Sales, Services & Consulting
AI Layer
Infrastructure
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Great Sky Comparables
Compare Great Sky with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Neurophos | 81% | |
| Akhetonics | 81% | |
| Luminous Computing | 81% |
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Great Sky Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Early Stage VC | Jul 10, 2026 | ||||
| Seed | Mar 17, 2026 | ||||
| Seed | Sep 12, 2025 |
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Key People
Founding team and executive leadership
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Great Sky Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Service Provider Capital | Seed |
| Mythos Ventures | Seed |
| Wireframe Ventures | Seed |
| Access Venture Partners | Seed |
| Matchstick Ventures | Seed |
| Buff Gold Ventures | Seed |
| Range Ventures | Seed |
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Market signals
Structured signals derived from secondary market and firmographic data.
- Aug 28, 2026
Grew 50% QoQ from 12 to 18 employees.
- Aug 21, 2026
Monthly visitors grew 104% MoM, reaching 3.7K.
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Recent news
Latest coverage and updates
- is_developingOct 22, 2026
Great Sky, Inc., Brookhaven National Laboratory, and Princeton Plasma Physics Laboratory are developing a superconducting neural chip that analyzes roughly one million fusion plasma samples per second for real-time reactor control.
- partners_withOct 19, 2026
Great Sky, Inc. partners with Princeton Plasma Physics Laboratory to develop a superconducting AI chip that senses and responds to fusion-reactor plasmas in Colorado on Oct 19th '26.
- is_developingOct 19, 2026
On Oct 19th '26 in Colorado, Great Sky, Inc. partners with Brookhaven National Lab, Princeton Plasma Physics Laboratory, and the DIII-D National Fusion Facility to develop a new kind of AI chip that uses superconducting circuitry and optical communication to process fusion-plasma data for anomaly classification, disruption prediction, and instability prediction.
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Great Sky 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.
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Frequently Asked Questions
Common questions about Great Sky's valuation, stock price, and market status.
Is Great Sky a public or private company?
Great Sky is a private company.
What is the current stock price of Great Sky?
Great Sky is a private company, so its shares have no public market price. Caplight tracks Great Sky's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Great Sky worth (valuation)?
Valuation information for Great Sky is not publicly available.
Can I buy Great Sky stock?
Great Sky shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Great Sky's last funding round?
Great Sky's most recent funding round was Early Stage VC on July 10, 2026.
Who are the main investors in Great Sky?
Key investors in Great Sky include Bison Ventures.
Will Great Sky IPO soon?
No public IPO plans have been announced for Great Sky.
How can I track Great Sky secondary market activity?
Caplight tracks bids, offers, and trades in Great Sky's shares on secondary markets.