Q-CTRL
PrivateLast Round
Series C
Nov 12, 2026
Est. Valuation
$1B
Total Funding Raised
$418M
Momentum
Top 1%
of companies Caplight tracks
Company Overview
Q-CTRL operates in AI, Data & Cloud Infrastructure and is based in Sydney. Its latest recorded funding round was a Series C round in November 2026.
Q-CTRL is a quantum technology company that develops AI-powered infrastructure software to stabilize quantum hardware and enhance the performance of quantum computers and sensors.
Sector
AI, Data & Cloud Infrastructure
Verticals
Quantum Computing, Defense Tech, Sensors
Business Model
B2B
Customer Profile
Subscription SaaS, Government Contracts, Hardware Sales
AI Layer
Infrastructure
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Q-CTRL Comparables
Compare Q-CTRL with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Riverlane | 82% | |
| Quantum Machines | 82% | |
| Qedma | 78% |
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Q-CTRL Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series C | Nov 12, 2026 | ||||
| Grant | May 7, 2025 | ||||
| Series B Extension | Oct 8, 2024 | ||||
| Series B Extension | Jul 25, 2023 | ||||
| Series B Extension | Jan 31, 2023 | ||||
Series B | Nov 30, 2021 |
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Key People
Founding team and executive leadership
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Q-CTRL Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Horizons Ventures | Series B Extension, Series B, Series A, Seed |
| Sierra Ventures | Series B, Series A |
| ICM Partners | Series B Extension |
| Main Sequence Ventures | Series B, Seed, Series B Extension, Series A |
| Lockheed Martin Ventures | Series C, Series B Extension |
| Salesforce Ventures | Series B Extension, Series C |
| MPower Partners | Series C |
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Market signals
Structured signals derived from secondary market and firmographic data.
- Nov 12, 2026
New features for error suppression and solver platform, including QAOA support and Monte Carlo integration.
- Nov 12, 2026
$290M round led by Affinity Partners and Salesforce Ventures.
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Recent news
Latest coverage and updates
- launchesNov 12, 2026
In Nov '26, Q-CTRL Pty. rolls out Fire Opal upgrades that add native hard-constraint support for QAOA, zero-overhead Pauli twirling, and Monte Carlo integration for quantitative finance.
- receives_financingNov 12, 2026
On Nov 12th '26, Q-CTRL Pty. receives $290M in a round led by Salesforce Ventures, with In-Q-Tel, Lockheed Martin Ventures, Affinity Partners, AMD Ventures and Edge Group participating.
- launchesSep 24, 2026
Q-CTRL Pty. launches its dynamics simulator function in Fire Opal, enabling researchers to run large-scale fermionic many-body simulations on IBM superconducting processors through a single automated API call on Sep 24th '26.
- integrates_withSep 18, 2026
On Sep 18th '26 in Taiwan, Q-CTRL Pty.'s Fire Opal performance management software directly interfaces with International Business Machines Corporation Quantum systems, giving users unified access to computational resources and AI-powered error mitigation tools for high-fidelity simulations.
- has_revenueSep 10, 2026
Q-CTRL Pty. has $3.2M in revenue in Apr '21.
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Q-CTRL Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
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Frequently Asked Questions
Common questions about Q-CTRL's valuation, stock price, and market status.
Is Q-CTRL a public or private company?
Q-CTRL is a private company.
What is the current stock price of Q-CTRL?
Q-CTRL is a private company, so its shares have no public market price. Caplight tracks Q-CTRL's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Q-CTRL worth (valuation)?
Q-CTRL's valuation is estimated at $1.0B based on funding round data.
Can I buy Q-CTRL stock?
Q-CTRL shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Q-CTRL's last funding round?
Q-CTRL's most recent funding round was Series C on November 12, 2026.
Who are the main investors in Q-CTRL?
Key investors in Q-CTRL include Horizons Ventures, Salesforce Ventures, Airbus Ventures, Sequoia Capital, Square Peg Capital.
Will Q-CTRL IPO soon?
No public IPO plans have been announced for Q-CTRL.
How can I track Q-CTRL secondary market activity?
Caplight tracks bids, offers, and trades in Q-CTRL's shares on secondary markets.