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PROMETHEUS
Prometheus
Physical AI / industrial engineering automation · San Francisco, California · United States · Founded · 2025 · ≈ · 150 · employees

Prometheus Valuation: $41B After the Jun 2026 Series B

Private

Prometheus was last valued at $41B (post-money). It comes from the $12B Series B of Jun 2026. The company is private, so there is no listed share price.

ProfileValuationFundingCompetitorsStock & IPOHow to invest
Prometheus valuation · at a glance
Last valuation
$41B
POST-MONEY · JUN 2026
Lead investors
4
across 2 rounds
Raised across rounds
$18.2B
2 rounds
Date of last round
Jun 2026
closed 11 Jun 2026
Valuation history

How the Prometheus valuation has moved

1 valuation. The latest, $41B post-money, was set by the Series B in Jun 2026.

Latest valuation
$41Bpost-money
Set by the Series B · 11 Jun 2026
Valuations
1
Priced rounds with a valuation
Event type
Primary round
The Series B · $12B raised
Funding rounds

Prometheus rounds and the valuation each one set

2 rounds
Round
Date
Amount
Valuation
Basis
Series B LATEST
11 Jun 2026
$12B
$41B
POST-MONEY
Series A (launch round)
1 Dec 2025
$6.2B
—
—
Lead investors
Leads: BlackRock, Goldman Sachs, JPMorgan Chase, Jeff Bezos.
Full funding history — Prometheus profile ›
What the valuation means

What the $41B actually measures

A private valuation is the price agreed in one transaction. The Prometheus valuation of $41B is a post-money figure from the Series B dated 11 Jun 2026 — the whole company measured after the $12B raised in that round was already inside it. Subtract the round and the pre-money view of the same deal is $29B .

The valuation holds until the next priced round or secondary sale. A private company founded in 2025 with roughly 150 people has no daily price and no order book between rounds.

Where the $41B comes from
EventSeries B, dated 11 Jun 2026
Basispost-money
Round size$12B
LeadJeff Bezos, JPMorgan Chase, Goldman Sachs, BlackRock

Frequently asked questions

Who has invested in Prometheus?›

Lead investors for each round are in the funding timeline.

Who are Prometheus's competitors?›

The closest physical ai / industrial engineering automation peers are on the competitors page.

How can I get exposure to Prometheus?›

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

Is Prometheus publicly traded?›

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

What is Prometheus's valuation?›

The last valuation is $41B (post-money, Jun 2026).

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