Arqit Quantum Inc.
- Open
- 19.81
- Day high
- 20.46
- Day low
- 19.24
- Prev close
- 20.04
- Volume
- 121K
- Mkt cap
- $346M
- P/E (TTM)
- —
- EPS (TTM)
- —
- P/B
- 12.1
- P/S
- 260.7
- Yield
- —
- Per share
- —
- ▼Insiders net selling -$2.3M over the last 3 months (0 open-market buys, 35 sales)
- 🏛Institutions accumulating (13F)
Arqit Quantum Inc. (ARQQ) is a Technology company listed on NASDAQ. The stock is down 29% over the past year. Over the trailing 3 months, insiders filed 0 open-market buys and 35 sales (SEC Form 4).
Arqit Quantum Inc. (ARQQ) financials & analyst ratings
Fundamentals (TTM)
Source: exchange market data + company filings. Figures are trailing-twelve-month or as most recently reported. For informational purposes only — not investment advice.
ARQQ earnings date, history & EPS estimates
| Report date | EPS est | EPS actual | Surprise | Revenue | Rev. surprise |
|---|---|---|---|---|---|
| May 21, 2026 | $-0.78 | $-1.99 | -155.1% | $623000 | -43.4% |
| May 19, 2025 | $-0.85 | $-3.39 | -299.1% | $168000 | -84.3% |
| Nov 19, 2024 | $-2.10 | $-1.37 | +35.0% | $174000 | -42.0% |
| May 20, 2024 | $-2.50 | $-7.35 | -193.8% | $119000 | -86.4% |
| Nov 21, 2023 | $-3.50 | $-9.45 | -170.0% | $621000 | -96.9% |
| May 17, 2023 | $-1.00 | $-4.35 | -335.2% | — | — |
| Dec 14, 2022 | $-0.25 | $6.84 | +2836.0% | $-4M | -119.0% |
| May 12, 2022 | $-0.50 | $12.00 | +2500.0% | $5M | -55.2% |
| Dec 16, 2021 | — | $-60.34 | — | $23954 | — |
| Sep 30, 2019 | — | $0.22 | — | — | — |
ARQQ insider trading activity (SEC Form 4)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jul 21, 2026 | Ritchie Garthdirector | Option | 841 | — |
| Jul 21, 2026 | Lefebvre d'Ovidio Manfredidirector | Option | 673 | — |
| Jul 21, 2026 | Calabria Carlodirector | Option | 757 | — |
| Jul 17, 2026 | Calabria Carlodirector | Grant | 757 | — |
| Jul 17, 2026 | Lefebvre d'Ovidio Manfredidirector | Grant | 673 | — |
| Jul 17, 2026 | Ritchie Garthdirector | Grant | 841 | — |
| Jul 13, 2026 | Lefebvre d'Ovidio Manfredidirector | Sell | 8 | — |
| Jul 13, 2026 | Lefebvre d'Ovidio Manfredidirector | Sell | 404 | — |
| Jul 9, 2026 | Lefebvre d'Ovidio Manfredidirector | Sell | 110 | — |
| Jul 9, 2026 | Lefebvre d'Ovidio Manfredidirector | Sell | 40 | — |
| Jul 7, 2026 | Lefebvre d'Ovidio Manfredidirector | Sell | 36 | — |
| Jul 7, 2026 | Lefebvre d'Ovidio Manfredidirector | Sell | 97 | — |
| Jul 6, 2026 | Leaver Andrewofficer: Chief Executive Officer | Sell | 9,893 | $25.20 |
| Jul 6, 2026 | Wilder Ben Simonofficer: Chief Operating Officer | Sell | 769 | $25.20 |
| Jul 6, 2026 | Wilder Ben Simonofficer: Chief Operating Officer | Option | 500 | — |
Source: ARQQ SEC Form 4 filings, latest Jul 21, 2026. For informational purposes only — not investment advice.
See the full ARQQ insider & 13F page →Arqit Quantum Inc. company profile
Overview
Arqit Quantum Inc. (NASDAQ:ARQQ) is a London-based cybersecurity company that was founded to address the emerging threat of quantum computing to traditional encryption methods. The company went public in April 2021 through a SPAC merger and specializes in quantum-safe encryption technology. Originally conceived as a satellite-based quantum key distribution service, Arqit has since pivoted to focus exclusively on software-based quantum-safe encryption solutions delivered through cloud platforms and channel partnerships.
Business
Arqit operates in the cybersecurity industry, specifically focusing on post-quantum cryptography - a field dedicated to developing encryption methods that remain secure against attacks from future quantum computers. The company's core offering is QuantumCloud, a software platform that enables devices to generate and share encryption keys that are theoretically immune to quantum computer attacks. To understand Arqit's product, it's important to know that traditional encryption relies on mathematical problems that are difficult for classical computers to solve, but quantum computers could potentially break these encryptions much faster. Arqit's technology creates symmetric encryption keys through a process called Symmetric Key Agreement (SKA), which allows any two devices to establish secure communication channels without the vulnerabilities of current encryption methods. The company has developed several specialized applications built on its core platform: NetworkSecure for network security applications, TradeSecure for digital trade finance, and WalletSecure for financial transaction compliance. These products are delivered as Platform-as-a-Service (PaaS) offerings and integrated with major technology partners' existing infrastructure. Arqit generates revenue through software licensing and professional services, with the business transitioning from one-time perpetual licenses to recurring subscription models. The company targets three primary market segments: telecommunications networks (representing the largest opportunity), government and defense organizations, and enterprise customers in IP-rich industries concerned about future quantum threats.
Revenue model
Arqit generates revenue through multiple streams within its quantum-safe encryption business model. The primary revenue source is software licensing of its QuantumCloud platform, which customers can access as a subscription service or through operational licenses that scale with usage. The company also generates revenue from professional services including implementation, maintenance, and support services for enterprise customers. The company's customers are primarily large telecommunications operators, government agencies (including the U.S. Department of Defense), and enterprises in sectors with high-value intellectual property. Recent contracts include a seven-figure multi-year deal with a Middle Eastern governmental agency and partnerships with tier-one telecom operators. Revenue is increasingly structured as annual recurring revenue (ARR) through operational licenses rather than one-time perpetual licenses. Several factors influence Arqit's profit margins and growth prospects. Positive margin drivers include the software-based nature of the product (high gross margins), increasing market awareness of quantum computing threats accelerated by advances from companies like IBM and Google, and regulatory pressure from organizations like the NSA promoting post-quantum cryptography adoption. The company benefits from relatively low marginal costs once the software is developed, as additional customers can be served without proportional increases in infrastructure costs. Negative margin pressures include the early-stage nature of the market requiring significant customer education and long sales cycles, intense competition from established cybersecurity vendors developing their own quantum-safe solutions, and the need for continuous R&D investment to maintain technological leadership. The company also faces the challenge of proving its technology's effectiveness against theoretical future quantum computer capabilities, creating customer hesitancy around adoption timing.
Competitive moat
Arqit's competitive moat appears relatively narrow in the current market environment. The company's primary defensive position stems from its early entry into the post-quantum cryptography space and its specific approach to symmetric key agreement technology. Arqit has achieved some regulatory validation, including NSA Commercial Solutions for Classified certification and recognition from IDC as a 2024 Innovator for post-quantum cryptography, which provides credibility in government and enterprise markets. However, the company faces significant competitive threats that limit the strength of its moat. Major technology companies including IBM, Google, Microsoft, and traditional cybersecurity vendors like Fortinet and Juniper are all developing their own quantum-safe encryption solutions. These competitors have substantially larger R&D budgets, established customer relationships, and existing distribution channels that could allow them to quickly capture market share once they launch competing products. The quantum-safe encryption market is still in its infancy, and technical standards are not yet fully established. This creates both opportunity and risk for Arqit - while early adoption could build switching costs, the lack of standardization means customers may wait for clearer industry consensus before committing to any single solution. Additionally, Arqit's technology claims are difficult to verify since the quantum computing threat it addresses doesn't yet exist at scale, making it challenging to prove superior effectiveness compared to alternatives. The company's channel partnership strategy with firms like Intel, AWS, and Fortinet provides some distribution advantages, but these same partners could potentially develop competing solutions or choose to promote alternative quantum-safe technologies. Arqit's moat is further weakened by the fact that its core technology is software-based with relatively low barriers to replication by well-funded competitors.
Risks & safety
Arqit presents significant financial risk with limited margin of safety for investors, reflecting its early-stage revenue generation and substantial cash burn rate. • Cash burn and solvency: Monthly cash burn of approximately $2.2-2.4 million with $24.8 million in cash provides roughly 10-11 months of runway at current burn rates. Free cash flow of -$12.5 million in latest quarter indicates continued heavy cash consumption. • Debt level: Low debt-to-equity ratio of 0.05 indicates minimal leverage risk, with current ratio of 2.45 showing adequate short-term liquidity coverage. • Valuation metrics: Negative earnings make traditional P/E ratios meaningless. Price-to-book ratio of 11.1 suggests significant premium to tangible assets. Enterprise value to EBITDA of -2.3 reflects negative profitability. • Revenue scale: Quarterly revenue of only $168,000 demonstrates the company is still in very early commercialization stages, creating substantial execution risk around scaling to sustainable profitability levels. • Other considerations: High employee turnover (headcount reduced from 147 to 72), market timing uncertainty around quantum computing threat materialization, and intense competition from well-funded technology giants create additional downside risks.
Recent development
Over the past few years, Arqit has undergone a significant strategic transformation from its original satellite-based quantum key distribution model to a purely software-focused approach. The company abandoned its satellite infrastructure plans and reclassified satellite-related assets as discontinued operations, instead developing QuantumCloud as a software-only platform that can be delivered through terrestrial networks and cloud services. The company has aggressively pursued a channel partnership strategy, expanding from 5 to 15 channel partners including major technology companies like Intel, AWS, Dell, and Fortinet. These partnerships involve integrating Arqit's quantum-safe encryption technology directly into partners' existing products - for example, embedding quantum-safe capabilities into Fortinet firewalls and Intel's Xeon processors for confidential computing applications. Arqit has also developed specialized vertical applications including NetworkSecure for telecommunications infrastructure, TradeSecure for digital trade finance compliance, and WalletSecure for financial services. This vertical specialization represents a shift from selling generic encryption technology to providing industry-specific solutions that address particular regulatory and security requirements. The company has implemented significant cost reduction measures, cutting headcount from 170 employees to 72 and reducing monthly operating costs from over $3 million to approximately $2.2 million. Simultaneously, Arqit has been transitioning its revenue model from one-time perpetual licenses to subscription-based operational licenses that provide recurring revenue streams. Recent contract wins include a seven-figure multi-year government contract in the Middle East and the company's first contract with the U.S. Department of Defense, indicating progress in penetrating key target markets.
ARQQ company profile · for informational purposes only — not investment advice.
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