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PANTHALASSA
Panthalassa
Energy · United States · Founded · 2016 · ≈ · 127 · employees

Panthalassa Funding — Last Valued at $1B

Private

Panthalassa has raised $365M across 1 funding round, plus 1 undated round. The latest round valued Panthalassa at $1B implied, with Peter Thiel on the lead line.

ProfileValuationFundingCompetitorsStock & IPOHow to invest
Panthalassa funding · at a glance
Total raised, all rounds
$365M
sum of disclosed sizes
Funding rounds
1
plus 1 undated round
Latest round
$1B
implied · May 2026
Lead on that event
Peter Thiel
Also includes John Doerr, TIME Ventures, SciFi Ventures, Fortescue Ventures, Super Micro Computer and others
2026
About Panthalassa

Panthalassa counts Peter Thiel, John Doerr, Marc Benioff through TIME Ventures, and Max Levchin through SciFi Ventures among its backers, a lineup of individual investors betting on ocean-based energy for AI computing.

Funding timeline

The Panthalassa funding timeline

1 funding round, the latest highlighted.

2016
Panthalassa founded

Panthalassa was founded in 2016, United States.

UNDATED
Series C

No date is disclosed for this round.

MAY 2026LATEST
Series B at $1B implied

Also includes John Doerr, TIME Ventures, SciFi Ventures, Fortescue Ventures, Super Micro Computer and others. $140M raised, led by Peter Thiel.

Valuation basisimpliedAmount$140MPrice / shareLeadPeter Thiel
IPO: NOT ANNOUNCED

No filing has been made.

Funding rounds

Panthalassa funding rounds in full

1 dated round, newest first.

Round
Date
Amount
Valuation
Price / share
Lead investors
Participation
Series B LATEST
May 2026
$140M
$1Bimplied
—
Peter Thiel
Also includes John Doerr, TIME Ventures, SciFi Ventures, Fortescue Ventures, Super Micro Computer and others
Series C
—
$225M
$2Bpost-money
—
—
—
Panthalassa · investors

Investors

PPeter ThielLEADJJohn DoerrMMarc BenioffMMax Levchin

Frequently asked questions

How can I get exposure to Panthalassa?›

The routes section explains what is realistically available for a company at this stage.

Is Panthalassa publicly traded?›

No. Panthalassa is a private company; its shares do not trade on a public exchange.

What is Panthalassa's valuation?›

The last valuation is $1B.

Who has invested in Panthalassa?›

Lead investors for each round are in the funding timeline.

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