# Prometheus funding rounds and investors

As of 14 Oct 2026, Prometheus has raised $18.2B across 2 verified rounds on record; latest: $12bn Series B, announced 11 Jun 2026.

Website: https://www.prometheus.ai/  
Headquarters: San Francisco  
Page: https://fireround.dev/companies/prometheus

## Verified rounds

| Announced | Round | Amount | Lead investors | Other investors | Sources |
| --- | --- | --- | --- | --- | --- |
| 2026-06-11 | Series B | $12bn | not stated | Bezos, JPMorgan Chase, Goldman Sachs, BlackRock, DST Global Partners, Arch Venture Partners, Jeff Bezos | [cnbc.com](https://www.cnbc.com/2026/06/11/project-prometheus-bezos-bajaj-live-updates.html), [geekwire.com](https://www.geekwire.com/2026/bezos-ai-startup-prometheus-raises-12b-at-41b-valuation-and-the-ceos-explain-what-theyre-doing), [techcrunch.com](https://techcrunch.com/2026/06/11/jeff-bezoss-prometheus-raises-12b-to-build-an-artificial-general-engineer-for-the-physical-world) |
| 2025-11-17 | Growth | $6.2 billion | not stated | Jeff Bezos | [nytimes.com](https://www.nytimes.com/2025/11/17/technology/bezos-project-prometheus.html), [en.wikipedia.org](https://en.wikipedia.org/wiki/Prometheus_(company)) |

Source: Fireround (https://fireround.dev), an open-source funding feed. Each round is checked against the pages listed with it.