Arqit Quantum Inc. (ARQQ) AI Stock Analysis

Arqit Quantum Inc., based in London, United Kingdom, provides cybersecurity solutions across satellite and terrestrial platforms. Its primary product is QuantumCloud, a Platform as a Service designed to generate unbreakable software encryption keys that protect sensitive data against modern cyber threats. In addition to quantum-safe encryption, the company offers maintenance and support services to maintain the reliability and seamless operation of its cybersecurity platforms. Arqit Quantum Inc. also delivers professional services to help organizations optimize cybersecurity strategies, integrate new technologies, and improve their defense posture against evolving threats.

Arqit Quantum Inc.'s annual revenue moved from $47,910 in FY2021 to $7.2M in FY2022, before dropping to $640,000 in FY2023 and $293,000 in FY2024. In FY2025, revenue rose 80.9% to $530,000, achieving a 4-year revenue CAGR of 82.4% from FY2021 to FY2025. Annual net income has remained mostly negative, posting -$271.7M in FY2021, $65.1M in FY2022, -$70.4M in FY2023, -$54.6M in FY2024, and -$35.3M in FY2025, when operating margin was -6636.0%. For the latest quarter ended March 31, 2026, quarterly revenue grew 829.9% year-over-year, bringing trailing twelve-month revenue to $1.1M.

As of March 31, 2026, Arqit Quantum Inc. held $28.9M in cash and short-term investments and $2.2M in total debt, leaving net cash of $26.7M. Total assets stood at $36.2M against shareholders' equity of $28.5M, supporting a current ratio of 4.88 and a debt-to-equity ratio of 0.08. Free cash flow for FY2025 was -$29.6M, matching an operating cash flow of -$29.6M. In FY2025, capital expenditures were $33,000, while the company's share count increased 242.8% over five years.

At a last close of $14.02 on October 16, 2026, Arqit Quantum Inc. has a market capitalization of $244.0M and an enterprise value of $365.9M. The stock trades at a price-to-sales multiple of 224.7x, compared to the median of its US-listed Technology peers of 2.8x. Its EV-to-EBITDA ratio is 1.8x, compared to the peer median of 16.6x, and forward P/E is 18.7x against a peer median of 18.8x. Over the past year, the stock fell 64.6%, lagging the S&P 500 (SPY) return of 16.8%.

Analyst coverage shows a mean price target of $60.00, representing an upside of 328.0% from the last close of $14.02. For the fiscal year ending September 30, 2026, estimated EPS is -$1.52 with revenue estimated at $0. For the next fiscal year, one analyst projects revenue of $7.8M, representing 214.2% growth, alongside an EPS estimate of -$1.06. Over the last four quarters, the company delivered 1 EPS beat. The next earnings date is December 8, 2026.

This page is an AI-written research summary of Arqit Quantum Inc. (ARQQ). The text was generated on October 30, 2026 from Quotelinks data as of October 16, 2026 (company profile, annual results, latest balance sheet, valuation, price performance and analyst estimates). An automatic check rejects any draft that contains a figure not found in that data. It is not investment advice; verify figures on the linked tabs before making decisions.

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