Arqit Quantum Inc. ARQQ

24.60 1.48 6.40% as of 25 Sep
Market cap
$383.4M
P/E
308×

Insider Decisions

Total sells 2.51
in millions of $
Nov 25 Feb 26 May 26 Aug 26
Buy — — — — — — — — — — — —
Sell — — — — — — 7 — 3 5 — —
Insider Ownership 96.37%

Capital & Financial Ratios

Market Cap 383.36
Revenue 7.85
Net Income (74.73)
Free Cash Flow (85.78)
Net Debt (28.86)
Current Ratio 4.88
Debt/Equity 0.00
P/E ratio 307.50
P/S ratio 512.41
P/B ratio 141.15
Past 5Y EPS Growth —
This Y EPS Growth 40.86%
Next Y EPS Growth 30.26%
Next 5Y EPS Growth —
in millions of $

Dividends

Payout Ratio 0.00
Annual Dividend Rate —
Annual Dividend Yield —

Assets vs Liabilities

2023 2024 2025 Q'26
Cash 44 19 37 29
Receivables 3 5 3 3
Inventory — — — —
Other 39 — — —
86 24 40 32
2023 2024 2025 Q'26
Payables 19 12 8 6
ST’ Debt 2 — — —
Other 6 — 7 —
27 12 15 7
in millions of $

Compound Annual Growth

10y 5y 3y
Sales — (40.67%) (6.09%)
Cash Flow 0.00% 0.00% 0.00%
Earnings 0.00% 0.00% 0.00%
Book Value 35.32% (19.09%) (25.79%)

Revenue

Mar Jun Sep Dec Year
’26 — — — — —
’25 — — — — 1
’24 — — — — 0
’23 — — — — 1
’23 — — — — 1
’22 — — — — 7
’22 — — — — 7
in millions of $ · fiscal quarters ending in the months shown

Operating Cash Flow

Mar Jun Sep Dec Year
’26 (26) — — — —
’25 (12) — — — (30)
’24 (23) — — — (34)
’23 — — — — (33)
’23 (9) — (25) — (33)
’22 — — — — (27)
’22 (13) — (14) — (27)
in millions of $ · fiscal quarters ending in the months shown

Free Cash Flow

Mar Jun Sep Dec Year
’26 (26) — — — —
’25 (13) — — — (30)
’24 (24) — — — (37)
’23 — — — — (33)
’23 (26) — (25) — (49)
’22 — — — — (27)
’22 (27) — (14) — (51)
in millions of $ · fiscal quarters ending in the months shown

EPS

Mar Jun Sep Dec Year
’26 — — — — —
’25 — — — — (2.56)
’24 — — — — (5.06)
’23 — — — — (0.54)
’23 (0.16) — (0.30) — (13.50)
’22 — — — — 0.53
’22 0.48 — 0.05 — 13.25
fiscal quarters ending in the months shown

Target Price Range

Analyst price targets

Recommendation Rating

1
1Buy 2 3Hold 4 5Sell
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028
— — — — — 200.00 84.25 9.78 3.72 11.00

Analyst estimates 2026–2028

Powerpack
Low Price
— — — — — 1,038.00 619.45 103.25 52.79 62.00
High Price
— — — — — 74 145 147 82 91
Employees
— — — — — 0 0 0 0 0
Revenue/Emp
— — — — — 0 7 1 0 1
Revenue
— — — 0.00% — 0.00% 82.09% (311.56%) 100.00% 100.00%
Gross Margin
— — — 1 0 (272) 53 (74) (26) (38)
EBT
— — — 0.00% 0.00% (567,284.13%) 740.54% (11,570.16%) (8,946.76%) (7,097.36%)
EBT Margin
— 0 — 1 0 (272) 53 (74) (60) (38)
Net Income
— — — 0 — 0 1 3 4 1
Depreciation
— — — 0.00 0.00 0.00 0.06 0.00 0.06 0.04
Revenue/Sh
— — — 0.01 (0.02) (2.47) 0.54 (0.54) (5.06) (2.56)
Earnings/Sh
— — — 0.03 0.00 (0.22) (0.22) (0.25) (6.74) (2.14)
Cash Flow/Sh
— — — 0.00 0.00 0.00 0.00 0.00 (0.66) (0.04)
Capex/Sh
— — — 0.03 0.00 (0.22) (0.22) (0.25) (7.40) (2.18)
Free CF/Sh
— — — 0.01 0.07 (0.31) 0.65 0.51 2.34 1.98
Book Value/Sh
— — — 120 0 110 121 131 5 14
Shares
— — — — — 0.00 0.00 149.75 71.25 484.38
PE Ratio
— — — — — 0.00 0.00 249.54 118.73 807.15
PS Ratio
— — — — — 0.00 116.41 29.40 60.81 396.65
PB Ratio
— — — — — 0.00 0.00 244.15 116.28 804.26
EV/Sales
— — — — — (2,775.83) (182.82) (30.98) (8.58) (62.43)
EV/FCF
— — — 4 0 (24) (27) (33) (34) (30)
Op' Cash Flow
— — — (4) (5) (9) (24) (16) (3) (1)
Capex
— — — 4 0 (24) (27) (33) (37) (30)
FCF
— — — 1 0 73 33 60 12 25
Working Cap'
— — — 3 5 — 1 2 — —
Total Debt
— — — (4) 5 (87) (48) (42) (19) (37)
Net Debt
— — — 1 0 (34) 79 67 12 27
Sh' Equity
— — — 11.23% (0.10%) (238.93%) 52.53% (70.54%) (89.83%) (101.60%)
ROA
— — — 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00%
ROIC
— — — 247.79% (1.05%) 802.96% 82.84% (105.61%) (144.81%) (180.99%)
ROE
predictions in italic, sparklines do not include predictions

All 10 years →

Fiscal years to Sep 2025

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Arqit Quantum Inc. (ARQQ) key facts

  • Arqit Quantum Inc. (ARQQ) is a Software Infrastructure company in the Technology sector, listed on Nasdaq.
  • Arqit Quantum Inc.’s revenue for fiscal 2025 (year ended September 2025) was $530,000.00, up 80.9% from fiscal 2024.
  • As of September 25, 2026, ARQQ traded at $24.60, a market capitalization of $383.4 million.
  • Return on equity was −181.0% and debt-to-equity 0.00.

Source: company filings (standardised) and stockrow calculations.

Arqit Quantum Inc. (ARQQ) Latest News

News by impact score

Fine-tune

22 Sep

4

Babcock International Group demonstrated secure data transfer using Arqit's quantum-safe encryption at DVD 2026. Data collected at Millbrook was encrypted by Arqit software and sent to Babcock's Ground Deployed Advanced Mortar System (GDAMS) at a separate site, showing end-to-end, secure communications between headquarters and a deployed platform in a contested environment without inline encryptors. The test used a layered network across IP bearers (4G/5G, Wi-Fi, satcom) and followed a memorandum of understanding to explore combining Babcock's mission systems and digital engineering with Arqit's cyber security. GDAMS, based on ST Engineering mortar design, was highlighted as part of a digitally connected battlefield. Louise Atkinson and Paul Feenan framed the work as addressing future quantum threats and enabling cross-bearer security for modern operations. The release also includes standard forward-looking cautions. Potential to unlock significant defense contracts and validate ARQQ’s quantum-safe encryption in real-world networks.

17 Sep

4

Satellites require encryption durable enough to match their full operational lifespan, underscoring demand for advanced long-term security solutions in space systems. Emphasis on enduring satellite encryption expands addressable market for quantum-safe solutions aligned with Arqit core offerings.

1 Sep

4

Arqit Quantum Inc. partnered with Es’hailSat and AIEE to demonstrate quantum-safe satellite security technology. Successful demonstration of quantum-safe satellite security with major partners advances Arqit's core technology and market credibility.

28 Jul

4

Arqit Quantum Inc. launched a tool that maps encryption assets hidden inside businesses to improve cybersecurity visibility and protection. Encryption mapping product launch represents a strategic expansion in core quantum cybersecurity offerings with potential to shift competitive positioning.

9 Jun

4

Arqit Quantum Inc. (ARQQ) reported its Q1 fiscal 2026 financial results. Quarterly earnings directly affect investor sentiment and valuation for Arqit Quantum Inc.

22 May

3 transcript

Arqit Quantum Inc. presented Q2 2026 financial results and business updates during its earnings call. Quarterly earnings updates supply performance data and guidance that can shift near-term investor sentiment.

21 May

4 transcript

Arqit Quantum Inc reported a revenue surge during its Half Year 2026 earnings call amid continuing operations and market activity. Revenue surge in earnings highlights points to stronger financial results that can materially shift investor sentiment and company trajectory.

4 transcript

Arqit Quantum Inc. reported Q2 2026 results, covering revenue, net losses, quantum encryption product updates, new contracts, and management outlook on growth and partnerships. Quarterly earnings release and forward guidance directly shape financial outlook and investor sentiment for the company.

4

Arqit Quantum Inc. reported financial results for the first half of fiscal year 2026, including revenue figures, net losses, and updates on its quantum encryption operations and commercial progress. Half-year financial results directly shape investor views on Arqit Quantum Inc.'s cash position, growth trajectory, and stock valuation.

3

Arqit Quantum Inc. presented H1 earnings call highlights covering financial results, operational updates and strategic outlook for the quantum encryption firm. H1 earnings highlights disclose financial metrics and guidance that typically move ARQQ share price and near-term sentiment.

16 Apr

4

Tomorrow Street, a joint venture between Vodafone and Luxembourg’s technology incubator, selects Arqit to integrate Quantum Security Solutions into its portfolio. Partnership with Vodafone-backed joint venture boosts Arqit's credibility, market exposure, and potential revenue in quantum security.

10 Apr

4

Arqit Quantum Inc. announces select preliminary financial results for the first half of fiscal year 2026. Preliminary financial results disclosure significantly influences ARQQ's financial performance, investor sentiment, and stock trajectory.

3 Mar

4

Arqit Quantum Inc. (ARQQ) partners with 6WIND to launch quantum-safe VPN services. Partnership launches quantum-safe VPN services, marking a major strategic product commercialization for Arqit's quantum encryption technology.

2 Mar

4

Arqit Quantum Inc. and RAD Antenna Systems announced a collaboration to integrate Arqit's quantum-safe encryption into RAD's communication systems, enhancing protection against evolving cyberthreats in defense and secure networks. Strategic partnership with RAD Antenna Systems embeds Arqit's core quantum encryption tech into defense communications, expanding market access and strengthening competitive position.

26 Feb

4

62% of survey respondents identify data sovereignty and privacy risks as the primary barrier slowing AI projects in the public cloud. Privacy and sovereignty risks stalling AI cloud adoption spotlight demand for Arqit's quantum encryption solutions.

24 Feb

4

Arqit quantum-safe keys now available pre-installed for Confidential Compute on Intel-based NetSec Cards. Pre-installation on Intel NetSec Cards enables broader adoption of Arqit's quantum-safe encryption in secure networking hardware.

19 Feb

4

Arqit and 6WIND launched technology and product integrations enabling quantum-safe services for telco service providers. Product integrations with 6WIND for telco quantum-safe services mark a major strategic expansion into key markets.

22 Jan

4

Arqit Quantum Inc. has launched Encryption Intelligence, a new automated cryptographic discovery tool designed to facilitate post-quantum migration and ensure compliance with emerging security standards. This innovative solution aims to help organizations transition to quantum-resistant encryption methods, addressing the growing concerns over quantum computing's potential to break traditional cryptographic systems. The tool is expected to streamline the process of identifying and implementing necessary changes in encryption practices, thereby enhancing security and compliance for businesses facing the quantum threat. The launch of a significant new product aimed at addressing post-quantum security needs is likely to enhance Arqit's competitive position and market relevance.

6 Jan

4

Arqit Quantum Inc. (ARQQ) has shown notable performance this year compared to other companies in the computer and technology sector. The company's advancements in quantum encryption technology have positioned it favorably in a competitive landscape. Investors are closely monitoring its growth potential as it continues to innovate and expand its market presence. Analysts suggest that ARQQ's unique offerings could lead to increased demand and revenue, making it a stock to watch in the coming months. Significant advancements in quantum technology and market positioning are likely to impact future performance.

24 Dec

4

Arqit Quantum Inc. reported its Q3 results, showcasing a significant increase in adoption across various quantum platforms. The company highlighted its advancements in quantum encryption technology and partnerships that are driving growth. Financial metrics indicated improved performance, reflecting a positive trend in customer engagement and market interest in quantum solutions. Arqit continues to position itself as a leader in the quantum security space, with expectations for further expansion and innovation in the coming quarters. The reported growth in adoption and advancements in technology are likely to significantly impact Arqit's market position and investor sentiment.

23 Dec

3

Rigetti Computing's vertical integration strategy is being analyzed for its potential advantages in quantum computing scalability. The approach may provide Rigetti with a competitive edge in the rapidly evolving quantum landscape, impacting how companies like Arqit Quantum Inc. position themselves in the market. As quantum technology advances, the ability to integrate hardware and software efficiently could become crucial for success. Rigetti's strategy may influence competitive positioning in the quantum computing sector, affecting Arqit's market dynamics.

20 Dec

3

Arqit Quantum Inc. is narrowing its losses and has set a modest revenue target for 2026, raising questions about its long-term vision and market viability. The company's focus on quantum encryption technology positions it in a growing sector, but its financial performance and strategic execution will be critical for future success. Investors are weighing the potential of Arqit's technology against its current financial metrics and market competition. Narrowing losses and a 2026 revenue target indicate moderate progress, but significant challenges remain in achieving long-term goals.

19 Dec

4

Arqit Quantum Inc. (ARQQ) released its earnings for 2025, providing updated revenue guidance for 2026. The company reported significant developments in its quantum encryption technology and outlined strategic initiatives aimed at enhancing its market position. Analysts are assessing the implications of these updates on Arqit's valuation and future growth prospects, considering the competitive landscape in the quantum technology sector. The earnings release and revenue guidance update indicate significant strategic moves that could alter the company's trajectory and investor sentiment.

15 Dec

4

Arqit Quantum Inc. reported significant revenue growth for the full year 2025, driven by increased demand for its quantum encryption solutions. The company highlighted advancements in its technology and strategic partnerships that are expected to enhance its market position. Despite challenges in the broader economic landscape, Arqit remains optimistic about future opportunities and its ability to scale operations effectively. Revenue growth and strategic advancements indicate a significant impact on future performance and market positioning.

9 Dec

3

Arqit Quantum Inc. reported its financial results for fiscal year 2025, highlighting key metrics and performance indicators. The company continues to focus on its quantum encryption technology, aiming to enhance cybersecurity solutions. Financial figures indicate growth in revenue and investments in research and development, positioning Arqit for future advancements in the quantum computing sector. Financial results show growth and investment in key technology areas, indicating a moderate influence on future performance.

4 Dec

4

Insiders at Arqit Quantum Inc. have been purchasing shares, indicating confidence in the company's future. This buying activity comes amid a broader interest in quantum computing technologies, which are expected to revolutionize various industries. Analysts suggest that insider buying can be a positive signal for investors, reflecting management's belief in the company's potential growth and value. As the quantum computing sector evolves, Arqit is positioning itself to capitalize on emerging opportunities, making these insider transactions noteworthy for market observers. Insider buying typically signals strong confidence in the company's future prospects, which could significantly influence investor sentiment and market performance.

3 Dec

4

Arqit Quantum Inc. and Sparkle have successfully achieved quantum-resistant encryption that operates at the speed of light. This breakthrough aims to enhance cybersecurity by providing a robust solution against potential quantum computing threats. The collaboration leverages Arqit's quantum technology to secure data transmission, positioning both companies at the forefront of the quantum encryption market. The achievement of quantum-resistant encryption represents a significant advancement in cybersecurity that could enhance Arqit's competitive positioning and market appeal.

3

Arqit Quantum Inc. is navigating the challenges of balancing its financial health while scaling its research and development efforts. The company is focused on maintaining a strong balance sheet as it invests in quantum technology advancements. Key strategies include optimizing resource allocation and exploring partnerships to enhance its competitive position in the quantum computing market. Scaling R&D efforts while maintaining financial strength may moderately influence Arqit's competitive positioning and innovation capabilities.

29 Nov

4

Arqit Quantum Inc. has launched a new quantum-safe platform and secured multiple contracts, enhancing its position in the cybersecurity market. The company aims to provide robust encryption solutions to protect against quantum computing threats, which are increasingly relevant as technology evolves. These developments are expected to bolster Arqit's growth prospects and attract investor interest. The launch of a new platform and contract wins are significant strategic moves that could alter the company's trajectory and investor sentiment.

27 Nov

4

Arqit Quantum Inc. has launched its quantum-safe platform, which aims to enhance cybersecurity by protecting data against future quantum computing threats. This development is seen as a pivotal moment for the company, potentially reshaping its investment narrative and attracting interest from various sectors concerned about data security. The platform's introduction could position Arqit as a leader in the quantum encryption space, influencing its market performance and investor sentiment significantly. The launch of a quantum-safe platform is a major strategic move that could significantly alter Arqit's competitive positioning and investor sentiment.

stockrow.com/ARQQ · Data as of Sep 30, 2025 · For information only; not investment advice. · © 2026 stockrow.com