PsiQuantum
About
PsiQuantum is developing a large-scale, fault-tolerant quantum computer based on a photonic approach, leveraging existing silicon manufacturing infrastructure. Their goal is to deliver a quantum computing system capable of solving problems currently intractable for classical computers, with applications spanning drug discovery, materials science, and financial modeling.
Key facts
At-a-glance profile data
- Website
- psiquantum.com
- Headquarters
- Palo Alto, United States
- Founded
- 2017
- Employees
- 632
- Total funding
- $3.6B
- Business model
- B2B
Funding rounds
| Date | Round | Amount | Lead investors |
|---|---|---|---|
| 10 Sept 2025 | Undisclosed round | $1.0B | - |
| 24 Apr 2024 | Undisclosed round | $940M | - |
| 24 May 2023 | Series E | $1.0B | BlackRock |
| 2 May 2023 | Undisclosed round | $23M | - |
| 27 Jul 2021 | Undisclosed round | $450M | BlackRock |
| 7 Apr 2020 | Undisclosed round | $150M | Atomico |
| 16 Apr 2019 | Undisclosed round | $65M | Playground Global |
Tech stack
Detected on psiquantum.com, last scanned 19 Sept 2026. Run your own scan
- Frontend
- jQuery
- Analytics
- Google Analytics 4, Google Tag Manager
- CMS / Builders
- Squarespace
- Email provider
- Proofpoint
Add first review
Frequently asked
How much funding has PsiQuantum raised?
PsiQuantum has raised a total of $3.6B in funding.
How many employees does PsiQuantum have?
PsiQuantum has approximately 632 people on record.