# Proxima Fusion

> Lightspeed Venture Partners backed Proxima Fusion’s Series A and stayed active across AI-native deals like Patronus AI and Eagle in mid-2026.

## Why it is interesting

Proxima Fusion shows Lightspeed Venture Partners pairing its dominant AI thesis with frontier deep tech (energy, autonomy), consistent with the ~55% AI / deep-tech split of its latest funds. Lightspeed Venture Partners backed Proxima Fusion’s Series A and stayed active across AI-native deals like Patronus AI and Eagle in mid-2026.

## Profile

- **Stage:** series-a
- **Status:** private
- **Industries:** ai-ml, climate-tech, deep-tech
- **Coverage:** full
- **Last updated:** 2026-07-07

## Key facts

- Disclosed financing: $9B (Series A)
- Covered in 1 Venture Capital Tracker article(s)

## Investors in our directory

- https://venturecapitaltracker.com/fund/lightspeed-venture-partners-nyc

## Related articles

- https://venturecapitaltracker.com/2026-lightspeed-venture-partners-proxima-fusion-series-a

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Source: https://venturecapitaltracker.com/startup/proxima-fusion