# SandboxAQ funding: rounds and investors

> SandboxAQ has raised $650M across 3 rounds since 2025. Investors include NVIDIA, BNP Paribas and Google. Every round with its source.

Source: https://millionrounds.com/company/sandboxaq (Millionrounds; every figure on the page links to its filing or article)

United States · [Funded startup](https://millionrounds.com/companies)

# Who invested in *SandboxAQ*

3 rounds we have observed, with the 8 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

AI Cybersecurity IT Services Quantum Computing

Raised 5 months ago Valuation: $5.6B, Mar 2026

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Funding summary Updated 5 Nov 2026

**$650M** raised across 3 rounds since 2025, from 3 sources

**$150M** Series E **$500M** Grant

- **Latest round:** Grant, $500M Jun 2026
- **Step-up i:** 3.3×
- **Investors:** 8

See who backed them

## The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

2026

**$150M** Series E

**?** Venture

**$500M** Grant

- **First round:** Series E, $150M
- **Biggest round:** $500M
- **Usual gap between rounds:** 8 months

## The rounds

- **Jun 2026** Grant **$500M** *3 returning* [NVIDIA](https://millionrounds.com/fund/nvidia) [BNP Paribas](https://millionrounds.com/fund/bnp-paribas) [Google](https://millionrounds.com/fund/google-assistant-investments) Source recorded
- **Dec 2025** Venture **Amount undisclosed** *2 new* *2 returning* [NVIDIA](https://millionrounds.com/fund/nvidia) [BNP Paribas](https://millionrounds.com/fund/bnp-paribas) [Paladin Capital Group](https://millionrounds.com/fund/paladin-capital-group) [S32](https://millionrounds.com/fund/s32) Source recorded
- **Apr 2025** Series E **$150M** *6 new* [NVIDIA](https://millionrounds.com/fund/nvidia) [BNP Paribas](https://millionrounds.com/fund/bnp-paribas) [Google](https://millionrounds.com/fund/google-assistant-investments) [Ray Dalio](https://millionrounds.com/fund/ray-dalio) [Beyond Alpha Ventures](https://millionrounds.com/fund/beyond-alpha-ventures) [Horizon Kinetics LLC](https://millionrounds.com/fund/horizon-kinetics-llc) Reported by AlleyWatch

## Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

**Series E** 2025 **Venture** 2025 **Grant** 2026 [NVIDIA](https://millionrounds.com/fund/nvidia) [BNP Paribas](https://millionrounds.com/fund/bnp-paribas) [Google](https://millionrounds.com/fund/google-assistant-investments) [Paladin Capital Group](https://millionrounds.com/fund/paladin-capital-group) [S32](https://millionrounds.com/fund/s32) [Ray Dalio](https://millionrounds.com/fund/ray-dalio) [Beyond Alpha Ventures](https://millionrounds.com/fund/beyond-alpha-ventures) [Horizon Kinetics LLC](https://millionrounds.com/fund/horizon-kinetics-llc)

## Everyone who backed them

[NVIDIA](https://millionrounds.com/fund/nvidia) Company **3** rounds

[BNP Paribas](https://millionrounds.com/fund/bnp-paribas) VC firm **3** rounds

[Google](https://millionrounds.com/fund/google-assistant-investments) Accelerator **2** rounds

[Paladin Capital Group](https://millionrounds.com/fund/paladin-capital-group) VC firm **1** round

[S32](https://millionrounds.com/fund/s32) VC firm **1** round

[Ray Dalio](https://millionrounds.com/fund/ray-dalio) Angel **1** round

[Beyond Alpha Ventures](https://millionrounds.com/fund/beyond-alpha-ventures) Family office **1** round

[Horizon Kinetics LLC](https://millionrounds.com/fund/horizon-kinetics-llc) Growth equity **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=sandboxaq).

## Also claim to have backed them

These 10 firms list SandboxAQ as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.

[Breyer Capital](https://millionrounds.com/fund/breyer-capital) Private equity Per its own site

[Section 32](https://millionrounds.com/fund/section-32) VC firm Per its own site

[Big Sky Partners](https://millionrounds.com/fund/big-sky-partners) VC firm Per its own site

[WorldQuant Ventures LLC](https://millionrounds.com/fund/worldquant-ventures-llc) VC firm Per its own site

[Break Off Capital](https://millionrounds.com/fund/break-off) VC firm Per its own site

[Rizvi Traverse Management](https://millionrounds.com/fund/rizvi-traverse-management) Growth equity Per its own site

[Granpool](https://millionrounds.com/fund/granpool) VC firm Per its own site

[Solon Inversiones](https://millionrounds.com/fund/solon-inversiones) Investment firm Per its own site

[Solon Venture Capital](https://millionrounds.com/fund/solon-venture-capital) VC firm Per its own site

[SummitNorth Inc.](https://millionrounds.com/fund/summitnorth-inc) Growth equity Per its own site

## Quick answers about SandboxAQ

### Who invested in SandboxAQ?

SandboxAQ's investors include NVIDIA, BNP Paribas, Google, Paladin Capital Group and S32, and 3 more on record.

### How much has SandboxAQ raised?

SandboxAQ has raised $650M across 3 rounds since 2025. One round did not disclose an amount, so the total is a floor.

### When did SandboxAQ last raise?

SandboxAQ's most recent round was a Grant of $500M in Jun 2026.

### What was SandboxAQ's biggest round?

Its most recent round, $500M in Jun 2026, is also its largest on record.

### Who backed SandboxAQ first?

SandboxAQ's first round on record, in Apr 2025, was backed by NVIDIA, BNP Paribas and Google and 3 others.

### What stage is SandboxAQ at?

SandboxAQ's latest named round is a Grant, in Jun 2026.

### Where is SandboxAQ based?

SandboxAQ is based in the United States.

## Companies like SandboxAQ

In the same sector, and raised in the last eighteen months.

[**Journify** $12M · Nov 2026](https://millionrounds.com/company/journify)[**Laza Medical** $160M · Nov 2026](https://millionrounds.com/company/laza-medical)[**Nooks** $543M · Nov 2026](https://millionrounds.com/company/nooks)[**Agrani Labs** $123M · Nov 2026](https://millionrounds.com/company/agrani-labs)[**Applied Compute** $580M · Nov 2026](https://millionrounds.com/company/applied-compute)[**Guava** $13M · Nov 2026](https://millionrounds.com/company/guava)

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