PsiQuantum
PrivateLast Round
Series E
Extension
Sep 10, 2025
Est. Valuation
$7B
Total Funding Raised
$2.36B
Momentum
Top 25%
of companies Caplight tracks
Company Overview
PsiQuantum is a quantum computing company that develops photonic qubit-based quantum computers to facilitate advancements in climate, finance, agriculture, transportation, and communications, empowering customers to tackle real-world challenges.
Sector
Frontier & Industrial Tech
Verticals
Quantum Computing, Semiconductors, Computing Hardware
Business Model
B2G
Customer Profile
Government Contracts, Services & Consulting, Usage-Based SaaS
AI Layer
Non-AI
Keywords
Price History
Caplight MarketPrice™ estimate for PsiQuantum, published with a 90-day delay.
Caplight MarketPrice™
$35.04
per share, as of April 2026
+249.6%
2-year change
Caplight MarketPrice™ is an estimate of private secondary market pricing, shown here on a delayed basis for illustrative purposes only. It may be incomplete, is subject to change, and may not be relied upon for any purpose or considered investment advice.
PsiQuantum Comparables
Compare PsiQuantum with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Quantinuum | 88% | |
| Xanadu Quantum Technologies Limited | 88% | |
| Photonic Inc | 87% | |
PsiQuantum Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series E Extension | Sep 10, 2025 | ||||
| Series E | Mar 24, 2025 | ||||
| Strategic | Apr 29, 2024 | ||||
| Grant | Jan 31, 2023 | ||||
| Series D | Jul 27, 2021 | ||||
Series C | Nov 17, 2019 |
Secondary Market Activity
Bids, offers, and trades by month
| Operation | Date | Price | Size | Share Class | Structure |
|---|---|---|---|---|---|
OFFER | |||||
OFFER |
Key People
Founding team and executive leadership
PsiQuantum Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Playground Ventures | Series A |
| Temasek | Series D, Series E, Series E Extension |
| Quantum1 Group | Series D |
| Scottish Mortgage Investment Trust | Series D |
| Playground Global | Series C, Series B, Series A |
| Founders Fund | Series C, Series B |
| Queensland Government | Strategic |
Market signals
Structured signals derived from secondary market and firmographic data.
- Apr 30, 2026
Tan appointed to the Board of Directors.
- Apr 17, 2026
IBM joins as an inaugural anchor tenant at a new quantum computing site.
PsiQuantum Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
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Frequently Asked Questions
Common questions about PsiQuantum's valuation, stock price, and market status.