Flux
PrivateLast Round
Seed
Jun 10, 2026
Total Funding Raised
$44M
Momentum
Top 50%
of companies Caplight tracks
Company Overview
Flux is a software company that provides a cloud-based, collaborative platform with an AI assistant for electronics design, including schematics, PCB layouts, and part sourcing.
Sector
Enterprise Software
Verticals
Vertical SaaS, Computing Hardware, Workflow Automation
Business Model
B2B
Customer Profile
Subscription SaaS, Usage-Based SaaS
AI Layer
Application
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Flux Comparables
Compare Flux with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Celus | 88% | |
| Trace | 82% | |
| Circuit Mind | 82% |
Flux Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Seed | Jun 10, 2026 | ||||
| Series B | Feb 27, 2026 | ||||
| Seed | Oct 13, 2021 |
Flux Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Bain Capital Ventures | Seed, Series B |
| Calibrate Ventures | Seed |
| 8VC | Seed, Series B |
| Liquid 2 Ventures | Seed, Series B |
| True Ventures | Seed |
| Outsiders Fund | Series B, Seed |
| Glasswing Ventures | Seed |
Market signals
Structured signals derived from secondary market and firmographic data.
- Jun 10, 2026
$5M round led by Calibrate Ventures.
- Mar 13, 2026
Launched the Stackup Editor to streamline PCB stackup selection.
Recent news
Latest coverage and updates
- launchesSep 25, 2026
Flux launches AI tools for 3D-printable PCB enclosures.
Flux 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 Flux's valuation, stock price, and market status.
Is Flux a public or private company?
Flux is a private company.
What is the current stock price of Flux?
Flux is a private company with no public stock price. No recent secondary market data is available.
How much is Flux worth (valuation)?
Valuation information for Flux is not publicly available.
Can I buy Flux stock?
Flux 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 Flux's last funding round?
Flux's most recent funding round was Seed on June 10, 2026.
Who are the main investors in Flux?
Key investors in Flux include Calibrate Ventures, 8VC, Outsiders Fund.
Will Flux IPO soon?
No public IPO plans have been announced for Flux.
How can I track Flux secondary market activity?
Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Flux's secondary market activity and sign up for updates.