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Panthalassa

The open ocean is Earth’s largest and most power-dense renewable energy resource. We’re harnessing that resource to produce the cheapest energy on the planet for clean compute at sea and renewable fuels to shore.

Renewable Energy Power GenerationEnergyRenewable EnergySustainability
panthalassa.com LinkedIn

Panthalassa is a renewable energy power generation company headquartered in Portland, Oregon, United States. The team counts 139 people, up 58% over the last year. Panthalassa has 7 open roles right now and a website drawing 30K monthly visits.

Employees
139
+58.0% YoY
Founded
2021
Privately Held
Headquarters
Portland
Oregon, USA
Total funding
$140M
Across 7 rounds
Monthly visits
30K
+408.1% QoQ
Top country
USA
Most employees
Headcount

Employee growth

Panthalassa grew from ~63 employees in December 2022 to 78 by November 2024, reaching 139 by September 2026, tracked weekly in Crustdata's proprietary dataset since December 2022.

Last 3 months
+11.2%
Last 6 months
+26.4%
Last 12 months
+58.0%
Last 2 years
+80.5%
Funding

Capital raised

Panthalassa has raised $140M across 7 rounds since 2026 - most recently 32 days ago.

  1. May 2026

    In May 2026, Panthalassa raised $140M in a Series B round led by Peter Thiel, with WovenEarth Ventures, Western Technology Investment, Unless, Time Ventures, and Susquehanna Sustainable Investments participating.

Cap table

Investors

Panthalassa's 17 backers include leading firms such as Compound, Dolik Ventures, Leblon Capital, and Naver, plus individuals including Peter Thiel.

Firms (16)
CompoundDolik VenturesLeblon CapitalNaverPortland Seed FundResilience ReserveSciFi VCScribble VenturesSozo VenturesSpace CapitalSupermicroSusquehanna Sustainable InvestmentsTime VenturesUnlessWestern Technology InvestmentWovenEarth Ventures
Individuals (1)
Peter Thiel
Team

Leadership

Panthalassa's leadership includes Co-Founder & CEO Garth Sheldon-Coulson, Chief of Staff to the CEO Lillian Bacon, Chief Innovation Officer Brian Moffat, and Vice President, Talent and People Operations Kimberly Smith, MBA, SPHR, SHRM-SCP.

Categorization

Industries & markets

Panthalassa is classified across the following industries, categories, and markets that Crustdata tracks for competitive analysis and sector benchmarking.

Industries
Renewable Energy Power Generation
Categories
EnergyRenewable EnergySustainability
Markets
Private
Top employee skills
Microsoft OfficeProject ManagementMicrosoft ExcelSOLIDWORKSEngineeringLeadershipMATLABPython (Programming Language)ManagementComputer-Aided Design (CAD)Customer ServiceMicrosoft Word

See the top Renewable Energy Power Generation companies ranked by size, growth and funding.

Coverage

In the news

Panthalassa has been featured in recent press coverage that Crustdata tracks to surface signals on launches, fundraising, partnerships, and other newsworthy events.

30
Total mentions
0
Last 30 days
Top sources TechEBlog -·2The Korea Times·1finance.biggo.com·1아시아경제·1Dealroom·1
Hiring

Open positions

Panthalassa has 7 open roles, 100% based in the US; engineering and operations are the most-hired functions.

By function
Engineering
5 open · 71%
5
Operations
1 open · 14%
1
By location
United States
7 open · 100%
7
By seniority
Mid / Other
4 open · 57%
4
Senior
2 open · 29%
2
VP+
1 open · 14%
1

Panthalassa is hiring for 7 roles in United States, mostly in engineering.

Growth

Panthalassa Growth Score

Panthalassa has a Crustdata Growth Score of 99 out of 100, which points to high growth. Behind the number: headcount grew 58% year over year, web traffic grew 408% quarter over quarter, 7 roles are open, and it last raised funding 1 month ago.

99/100
High growth
Based on 4 of 4 growth signals
Headcount growth +58% YoY
Web traffic trend +408% QoQ
Active hiring 7 open roles
Recent funding Raised 1 month ago
FAQ

Panthalassa FAQs

Below are 11 of the most common questions about Panthalassa, answered with data tracked and refreshed weekly using Crustdata's proprietary dataset.

Company Overview (4)

What industry does Panthalassa operate in?

Panthalassa operates in Renewable Energy Power Generation.

When was Panthalassa founded?

Panthalassa was founded in 2021 and is based in Portland.

Where is Panthalassa headquartered?

Panthalassa is headquartered in Portland, Oregon.

Where can I find official profiles for Panthalassa?

Panthalassa can be found on their website at panthalassa.com and LinkedIn.

People & Growth (3)

How many employees does Panthalassa have?

Panthalassa has 139 employees, with 58.0% year-over-year growth.

How much funding has Panthalassa raised?

Panthalassa has raised $140M across 7 disclosed funding rounds. The most recent disclosed round was $140M from a Corporate Round round.

Who are Panthalassa's investors?

Panthalassa is backed by 16 institutional investors and 1 individual investors, including Compound, Dolik Ventures, Leblon Capital, Naver, Portland Seed Fund, and Resilience Reserve.

Markets & Operations (2)

Is Panthalassa publicly traded?

Panthalassa is privately held and is not listed on any public exchange.

What is Panthalassa's website traffic?

panthalassa.com receives approximately 30K monthly visitors, with 408.1% quarter-over-quarter growth.

Competitors (1)

Who are Panthalassa's competitors?

Panthalassa competes with 2 companies, including Mocean Energy and Gigascale Capital.

Growth (1)

What is Panthalassa's Crustdata Growth Score?

Panthalassa's growth score is 99 out of 100. The Crustdata Growth Score rates a company from 0 to 100 on how quickly it is growing, combining four signals: headcount growth, the number of open roles, web traffic trend, and how recently it last raised funding. A higher score means more of those signals are pointing up.