SandboxAQ
SA
SandboxAQ develops enterprise software that combines artificial intelligence and quantum computing techniques. Its products focus on post-quantum cybersecurity, quantum sensing, and simulation for scientific and industrial use cases. SandboxAQ was spun out of Alphabet in 2022.
Founded by Jack Hidary (Founder & CEO)
Blended valuation$12.7B$12.8B secondary
Valuation history
Weekly blended valuation with priced funding rounds marked on the timeline.
$13.5B
blended valuationfunding round
Feb 28, 2022$3.3BOct 5, 2026
All rounds
7 funding rounds, newest first.
| Round | Announced | Raised | Post-money |
|---|---|---|---|
| Growth | Dec 3, 2025 | — | $5.9B |
| Round | Jul 1, 2025 | $95M | — |
| Series E | Apr 4, 2025 | $150M | $5.8B |
| Series E | Dec 18, 2024 | $300M | $5.6B |
| Growth | Feb 1, 2023 | $500M | — |
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Investors
35 investors across all rounds.
- BCBreyer Capital
- ESEric Schmidt
- TRT. Rowe Price
- S3S32
- ALAlphabet
- GOGoogle
- NVNVIDIA
- IQIQT
- MBMarc Benioff
- SNShane Neman
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Secondary market activity
Recent buy and sell interest for SandboxAQ shares on the secondary market.
| Kind | Implied valuation | Price / share | Date |
|---|---|---|---|
| $12.2B | — | Oct 6, 2026 | |
| $15.8B | $41.90 | Sep 29, 2026 | |
| $10.9B | $32.50 | Sep 23, 2026 |
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Data as of Oct 15, 2026. Valuations are estimates blended from primary and secondary-market signals — not investment advice.