Panthalassa
PrivateLast Round
Series B
Extension
Aug 6, 2026
Est. Valuation
$2B
Total Funding Raised
$193M
Momentum
Top 1%
of companies Caplight tracks
Company Overview
Panthalassa operates in Energy & Sustainability and is based in Portland, Oregon. Its latest recorded funding round was a Series B round in May 2026.
Panthalassa is a renewable energy and ocean technology company that develops and deploys autonomous floating nodes that convert wave motion into continuous electricity for applications like AI computing at sea and clean fuel production.
Sector
Energy & Sustainability
Verticals
Renewable Energy, Cloud Infrastructure, Alternative Fuels
Business Model
B2B
Customer Profile
Hardware Sales, Services & Consulting, Government Contracts
AI Layer
Application
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Panthalassa Comparables
Compare Panthalassa with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| OceanEnergy | 76% | |
| CorPower Ocean | 75% | |
| Optimal Transit | 75% |
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Panthalassa Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series B Extension | Aug 6, 2026 | ||||
| Series B | May 4, 2026 | ||||
| VC Round | May 21, 2025 | ||||
| Series A | Aug 24, 2024 |
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Key People
Founding team and executive leadership
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Panthalassa Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Valor | Series A |
| Hanwha Asset Management (USA) Ltd. | Series B |
| SciFi Ventures | Series B |
| TIME Ventures | Series B |
| TIME Ventures | Series B |
| Gigascale Capital | VC Round, Series A, Series B |
| Planetary Venture Capital | Series B |
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Market signals
Structured signals derived from secondary market and firmographic data.
- Nov 11, 2026
Ocean-3 is an autonomous floating platform for offshore AI computing.
- Sep 16, 2026
Grew 16% QoQ, from 120 to 139 employees.
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Recent news
Latest coverage and updates
- is_developingNov 11, 2026
Panthalassa is building Ocean-3, an autonomous floating platform designed to run AI computing far offshore using energy generated directly from ocean waves.
- expands_facilitiesNov 7, 2026
Panthalassa unveils a new factory in Washington on Nov 6th '26 to manufacture wave-powered devices for floating data centers.
- receives_financingSep 12, 2026
In May '26, Panthalassa receives $120M in Series B financing from investors including Peter Thiel, Super Micro Computer, Lowercarbon Capital and Marc Benioff's TIME Ventures to fund a pilot manufacturing facility in Oregon and deploy Ocean-3 nodes in 2026.
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Panthalassa Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
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Frequently Asked Questions
Common questions about Panthalassa's valuation, stock price, and market status.
Is Panthalassa a public or private company?
Panthalassa is a private company.
What is the current stock price of Panthalassa?
Panthalassa is a private company, so its shares have no public market price. Caplight tracks Panthalassa's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Panthalassa worth (valuation)?
Panthalassa's valuation is estimated at $2.0B based on funding round data.
Can I buy Panthalassa stock?
Panthalassa shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Panthalassa's last funding round?
Panthalassa's most recent funding round was Series B Extension on August 6, 2026.
Who are the main investors in Panthalassa?
Key investors in Panthalassa include Hanwha Asset Management, 8090 Industries.
Will Panthalassa IPO soon?
No public IPO plans have been announced for Panthalassa.
How can I track Panthalassa secondary market activity?
Caplight tracks bids, offers, and trades in Panthalassa's shares on secondary markets.