Photon Marine
PrivateLast Round
Grant
Oct 20, 2025
Est. Valuation
$20M
Total Funding Raised
$12.3M
Momentum
Top 50%
of companies Caplight tracks
Company Overview
Photon Marine is a climate tech company that develops commercial marine electric propulsion systems designed to reduce emissions and operational inefficiencies in workboat fleets.
Sector
Mobility, Transportation & Logistics
Verticals
Clean Transportation, Maritime & Shipping, Electric Vehicles, Energy Storage, Fleet Management
Business Model
B2B
Customer Profile
Hardware Sales, Hardware + Subscription
AI Layer
Application
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Photon Marine Comparables
Compare Photon Marine with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| ACEL Power | 87% | |
| Flux Marine | 86% | |
| Evoy | 85% |
Photon Marine Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Grant | Oct 20, 2025 | ||||
| Series A | Mar 18, 2025 | ||||
| Grant | Sep 17, 2024 | ||||
| Seed | Apr 25, 2023 | ||||
| Seed | Nov 8, 2022 |
Key People
Founding team and executive leadership
Photon Marine Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Bend Venture Conference | Seed, Grant |
| Ideaship | Seed |
| VertueLab | Seed |
| Climate Capital | Pre Seed, Seed |
| E8 | Seed |
| Washington State Department of Transportation | Grant |
| Builders Vision | Seed |
Market signals
Structured signals derived from secondary market and firmographic data.
- Jun 20, 2026
Monthly visitors increased 39% MoM.
- May 15, 2026
Monthly visitors increased 59% MoM, reaching 1.4K.
Recent news
Latest coverage and updates
- receives_financingSep 28, 2026
Photon Marine, Inc. received financing of $1M on Sep 28th '26.
- is_developingSep 28, 2026
Photon Marine, Inc. is developing fleet-electrification playbook.
Photon Marine 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 Photon Marine's valuation, stock price, and market status.
Is Photon Marine a public or private company?
Photon Marine is a private company.
What is the current stock price of Photon Marine?
Photon Marine is a private company with no public stock price. No recent secondary market data is available.
How much is Photon Marine worth (valuation)?
Valuation information for Photon Marine is not publicly available.
Can I buy Photon Marine stock?
Photon Marine 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 Marine's last funding round?
Photon Marine's most recent funding round was Series A on March 18, 2025.
Who are the main investors in Photon Marine?
Key investors in Photon Marine include Ideaship.
Will Photon Marine IPO soon?
No public IPO plans have been announced for Photon Marine.
How can I track Photon Marine secondary market activity?
Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Photon Marine's secondary market activity and sign up for updates.