Photon Bridge
PrivateLast Round
Early Funding
Jul 1, 2026
Total Funding Raised
$9.8M
Momentum
Top 50%
of companies Caplight tracks
Company Overview
Photon Bridge is a photonics company that develops cantilever waveguide coupling technology to create scalable, high-performance optical engines for AI and telecom systems.
Sector
Telecommunications & Networking
Verticals
Semiconductors, Cloud Infrastructure, AI Training Infrastructure, Network Equipment
Business Model
B2B
Customer Profile
Hardware Sales
AI Layer
Infrastructure
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Photon Bridge Comparables
Compare Photon Bridge with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Quintessent Inc. | 91% | |
| Scintil Photonics | 89% | |
| NewPhotonics | 84% |
Photon Bridge Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Early Funding | Jul 1, 2026 | ||||
| Seed | Jan 13, 2025 | ||||
| Grant | Nov 1, 2022 | ||||
| Pre Seed | Feb 9, 2022 |
Photon Bridge Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| PhotonDelta | Debt, Seed |
| Brabantse Ontwikkelings Maatschappij | Seed |
| European Innovation Council | Grant |
| Faber Ventures | Seed |
| Innovation Industries | Seed |
Market signals
Structured signals derived from secondary market and firmographic data.
- Jul 1, 2026
Raised an early funding round.
- Apr 24, 2026
Grew 31% QoQ, from 13 to 17 employees.
Photon Bridge Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
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Request accessFrequently Asked Questions
Common questions about Photon Bridge's valuation, stock price, and market status.
Is Photon Bridge a public or private company?
Photon Bridge is a private company.
What is the current stock price of Photon Bridge?
Photon Bridge is a private company with no public stock price. No recent secondary market data is available.
How much is Photon Bridge worth (valuation)?
Valuation information for Photon Bridge is not publicly available.
Can I buy Photon Bridge stock?
Photon Bridge 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 Photon Bridge's last funding round?
Photon Bridge's most recent funding round was Seed on January 13, 2025.
Who are the main investors in Photon Bridge?
Key investors in Photon Bridge include Innovation Industries.
Will Photon Bridge IPO soon?
No public IPO plans have been announced for Photon Bridge.
How can I track Photon Bridge secondary market activity?
Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Photon Bridge's secondary market activity and sign up for updates.