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

Panthalassa Valuation: $1B After the May 2026 Series B

Private

Panthalassa was last valued at $1B (implied). It comes from the $140M Series B of May 2026. The company is private, so there is no listed share price.

ProfileValuationFundingCompetitorsStock & IPOHow to invest
Panthalassa valuation · at a glance
Last valuation
$1B
IMPLIED · MAY 2026
Lead investors
1
across 2 rounds
Raised across rounds
$365M
2 rounds
Date of last round
May 2026
closed 4 May 2026
Valuation history

How the Panthalassa valuation has moved

1 valuation. The latest, $1B implied, was set by the Series B in May 2026.

Latest valuation
$1Bimplied
Set by the Series B · 4 May 2026
Valuations
1
Priced rounds with a valuation
Event type
Primary round
The Series B · $140M raised
Undated: Series C at $2B (post-money).
Funding rounds

Panthalassa rounds and the valuation each one set

2 rounds
Round
Date
Amount
Valuation
Basis
Series B LATEST
4 May 2026
$140M
$1B
IMPLIED
Series C
—
$225M
$2B
POST-MONEY
Lead investors
Leads: Peter Thiel.
Full funding history — Panthalassa profile ›
What the valuation means

What the $1B actually measures

A private valuation is the price agreed in one transaction. The Panthalassa valuation of $1B is a implied figure from the Series B dated 4 May 2026 .

The valuation holds until the next priced round or secondary sale. A private company founded in 2016 with roughly 127 people has no daily price and no order book between rounds.

Where the $1B comes from
EventSeries B, dated 4 May 2026
Basisimplied
Round size$140M
LeadPeter Thiel

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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