Arqit Quantum INC. (ARQQW) — SEC Filings

Overview

Arqit Quantum INC. (ARQQW) is a publicly traded company tracked on ReadTheFiling. The most recent enriched filing is a 20-F filed on Dec 9, 2025: Arqit Quantum Inc. (ARQQW) filed its 20-F for the fiscal year ended September 30, 2025, revealing its status as an early-stage company with a history of losses, heavily reliant on increased sales and marketing to achieve profitability. The company's future success hinges on the market adoption of it

Sentiment Summary

Across 28 filings, the sentiment breakdown is: 2 bullish, 1 bearish, 25 neutral. The dominant filing sentiment for Arqit Quantum INC. is neutral.

Filing Type Overview

Arqit Quantum INC. (ARQQW) has filed 2 20-F, 18 6-K, 5 SC 13D/A, 1 SC 13G/A, 2 SC 13G with the SEC between Jan 2024 to Dec 2025.

Filings by Year

2025 · 2024

Recent Filings (28)

• Arqit Quantum: Early-Stage, High-Risk Bet on Unproven Quantum Market — 20-F · Dec 9, 2025 Risk: high
  Arqit Quantum Inc. (ARQQW) filed its 20-F for the fiscal year ended September 30, 2025, revealing its status as an early-stage company with a history of losses,
• Arqit Quantum Settles Class Action Lawsuit for $7 Million — 6-K · Oct 21, 2025 Risk: medium
  Arqit Quantum Inc. has reached a settlement in a previously disclosed class action lawsuit for $7 million. The settlement, pending final documentation and court
• Arqit Quantum Announces Preliminary FY2025 Financial Results — 6-K · Oct 9, 2025 Risk: low
  On October 9, 2025, Arqit Quantum Inc. announced preliminary unaudited financial results for the second half and full fiscal year 2025, ending September 30, 202
• Arqit Quantum Agrees to $1M Payment and Share Issuance — 6-K · Sep 15, 2025 Risk: medium
  On September 15, 2025, Arqit Quantum Inc. entered into an agreement with Deutsche Bank Parties, agreeing to pay them $1,000,000 and issue 48,561 ordinary shares
• Arqit Quantum Inc. Shareholders Approve All AGM Proposals — 6-K · Sep 11, 2025 Risk: low
  Arqit Quantum Inc. held its 2025 annual general meeting of shareholders on September 11, 2025. Shareholders representing 7,483,305 ordinary shares, as of the Au
• Arqit Quantum Inc. Schedules 2025 Annual General Meeting — 6-K · Aug 28, 2025 Risk: low
  Arqit Quantum Inc. filed a 6-K report on August 28, 2025, to provide notice and proxy materials for its Annual General Meeting of Shareholders. The meeting is s
• Arqit Quantum Reports H1 2025 Financials — 6-K · May 22, 2025 Risk: medium
  Arqit Quantum Inc. announced its financial and operational results for the six months ended March 31, 2025, on May 22, 2025. The company is a UK-based issuer fi
• Arqit Quantum Reports FY25 H1 Preliminary Results — 6-K · Apr 4, 2025 Risk: medium
  Arqit Quantum Inc. announced preliminary financial results for the first half of fiscal year 2025, ending March 31, 2025, via a press release on April 4, 2025.
• Arqit Quantum Inc. Shareholder Meeting Approves Proposal — 6-K · Dec 19, 2024 Risk: low
  Arqit Quantum Inc. held an extraordinary general meeting on December 18, 2024, where shareholders approved a proposal. A quorum was met with 7,332,205 ordinary
• D2BW Ltd Amends Arqit Quantum Stake Filing — SC 13D/A · Dec 13, 2024 Risk: medium
  D2BW Limited, through an amendment filed on December 9, 2024, has updated its Schedule 13D filing concerning Arqit Quantum Inc. The filing indicates a change in
• D2BW Ltd Amends Arqit Quantum Stake Filing — SC 13D/A · Dec 10, 2024 Risk: medium
  D2BW Limited, through an amendment to its Schedule 13D filing on December 10, 2024, reported its beneficial ownership of Arqit Quantum Inc. The filing indicates
• Arqit Quantum Inc. Calls Extraordinary General Meeting for Dec 18 — 6-K · Dec 9, 2024 Risk: low
  Arqit Quantum Inc. has filed a Form 6-K on December 9, 2024, to provide notice and proxy materials for its Extraordinary General Meeting of Shareholders. This m
• Arqit Quantum Reports FY2024 Results — 6-K · Dec 5, 2024 Risk: medium
  Arqit Quantum Inc. announced its financial and operational results for the fiscal year ended September 30, 2024, via a press release on December 5, 2024. The fi
• Arqit Quantum Files 20-F, Details Assets and Key Personnel — 20-F · Dec 5, 2024 Risk: medium
  Arqit Quantum Inc. filed its 20-F for the fiscal year ending September 30, 2024. The filing details various assets including office equipment, fixtures, and com
• Arqit Quantum Appoints Nicola Barbiero as Independent Director — 6-K · Dec 3, 2024 Risk: low
  Arqit Quantum Inc. announced on November 26, 2024, the appointment of Nicola Barbiero as a Class I independent director. Mr. Barbiero brings nearly two decades
• SC 13G/A Filing — SC 13G/A · Nov 14, 2024
• Arqit Quantum Regains Nasdaq Bid Price Compliance — 6-K · Oct 11, 2024 Risk: medium
  Arqit Quantum Inc. announced on October 10, 2024, that it has regained compliance with Nasdaq's minimum bid price requirement of $1.00 per share. The company ha
• Heritage Assets SCSp Amends Arqit Quantum Stake — SC 13D/A · Oct 2, 2024 Risk: medium
  Heritage Assets SCSp, through its filing on September 30, 2024, has amended its Schedule 13D regarding Arqit Quantum Inc. The filing indicates a change in benef
• Arqit Quantum Inc. Shareholder Purchase Agreement — 6-K · Oct 1, 2024 Risk: medium
  On September 30, 2024, Arqit Quantum Inc. entered into a securities purchase agreement with existing shareholders Heritage Assets SCSP, Notion Capital Managers
• SC 13G Filing — SC 13G · Oct 1, 2024
• Arqit Quantum Appoints New CEO, Andy Leaver — 6-K · Sep 27, 2024 Risk: medium
  On September 27, 2024, Arqit Quantum Inc. announced a leadership change. Andy Leaver has been appointed as the new Chief Executive Officer and a Board member, r
• Arqit Quantum Inc. Shareholders Approve All Proposals at AGM — 6-K · Sep 19, 2024 Risk: low
  Arqit Quantum Inc. held its 2024 Annual General Meeting (AGM) on September 18, 2024, with 82,274,061 ordinary shares represented as of the August 16, 2024 recor
• D2BW Ltd Amends Arqit Quantum Stake — SC 13D/A · Sep 16, 2024 Risk: medium
  D2BW Limited, associated with David Bestwick and David Williams, has filed an amendment (No. 4) to its Schedule 13D for Arqit Quantum Inc. The filing, dated Sep
• Arqit Quantum Inc. Schedules Annual Shareholder Meeting — 6-K · Aug 27, 2024 Risk: low
  Arqit Quantum Inc. filed a Form 6-K on August 27, 2024, to provide notice and proxy materials for its Annual General Meeting of Shareholders. The meeting is sch
• Arqit Quantum Inc. Reports H1 2024 Results — 6-K · May 20, 2024 Risk: medium
  Arqit Quantum Inc. reported its financial and operational results for the six months ended March 31, 2024, on May 20, 2024. The filing is a Form 6-K, which is a
• Arqit Quantum Sells Securities to CEO and CTO's Company — 6-K · Apr 15, 2024 Risk: medium
  On March 29, 2024, Arqit Quantum Inc. entered into a securities purchase agreement with D2BW Limited, a company beneficially owned by CEO David Williams and CTO
• Evolution Technology Fund II Amends Arqit Quantum Stake — SC 13D/A · Feb 13, 2024 Risk: low
  Evolution Technology Fund II, SCSP filed an Amendment No. 1 to its Schedule 13D on February 13, 2024, regarding its beneficial ownership in Arqit Quantum Inc. T
• Liberum Wealth Discloses 20M Share Stake in Arqit Quantum — SC 13G · Jan 26, 2024
  Liberum Wealth Limited, a Guernsey-based investment firm, has disclosed a significant stake in Arqit Quantum Inc., holding 20,011,538 ordinary shares with share

Risk Profile

Risk Assessment: Of ARQQW's 25 recent filings, 1 were flagged as high-risk, 15 as medium-risk, and 9 as low-risk. The overall risk profile suggests moderate risk with a balanced mix of positive and cautionary disclosures.

Key Executives

• Andrew Leaver
• Stephen Chandler
• Andy Leaver
• Rob Soffel
• Lt. General V.L. Jamieson
• General S. Wilson
• Nicola Barbiero
• Cristina Levis
• Carlo Calabria
• Garth Ritchie
• Manfredi Lefebvre d'Ovidio
• David Williams
• David Bestwick
• Dennis Smith

Industry Context

Arqit operates in the nascent but rapidly growing quantum encryption and confidential computing sectors. The company faces a competitive landscape that includes established cybersecurity firms and emerging quantum technology players. Key industry trends involve increasing demand for advanced data security solutions driven by the rise of quantum computing threats and stringent data privacy regulations.

Top Tags

shareholder-meeting (6) · sec-filing (6) · financial-results (5) · corporate-governance (5) · proxy-materials (3) · schedule-13d (3) · amendment (3) · preliminary-results (2) · 6-K (2) · agm (2)

Key Numbers

• projected global enterprise key-management/discovery market by 2033: $7.74B — indicates potential market opportunity for Arqit's products
• forecasted global confidential-computing market by 2030: $153.84B — indicates potential market opportunity for Arqit's products
• Ordinary Shares outstanding: 15,291,767 — as of September 30, 2025, post Reverse Share Split
• Business Combination Warrants outstanding: 13,038,904 — listed on Nasdaq under ARQQW, accounted for as liabilities
• shares consolidated into one: 25 — effect of Reverse Share Split on September 25, 2024
• aggregate exercise price per whole ordinary share: $287.50 — for Business Combination Warrants, requiring 25 warrants for one share
• par value per ordinary share: $0.0025 — post Reverse Share Split
• Settlement Amount: $7 million — Amount Arqit Quantum will pay to settle a class action lawsuit.
• Payment to Deutsche Bank: $1.0M — Represents a cash outflow for Arqit Quantum.
• Ordinary Shares Issued: 48,561 — Dilutes existing shareholders and represents a non-cash component of the agreement.
• Ordinary Shares Represented: 7,483,305 — Shareholder representation at the AGM, establishing a quorum.
• Fiscal Period: H1 2025 — Results reported for the first half of the fiscal year.
• Fiscal Year End: 2024-09-30 — Reporting period for the 20-F filing.
• Fiscal Year Start: 2023-10-01 — Reporting period for the 20-F filing.
• Minimum Bid Price: $1.00 — The threshold Arqit Quantum needed to meet to remain listed on Nasdaq.

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