Arqit Quantum Inc.

ARQQ chart

Arqit Quantum Inc. news

• Arqit Quantum vs Bitcoin on one 0–100 risk scale: $ARQQ Grav

  KuCoin · Oct 27, 10:08 AM EDT

• Arqit Quantum Inc. Estimates – NASDAQ:ARQQ

  TradingView · Oct 23, 8:07 PM EDT

• Arqit Quantum Inc. (ARQQW) Stock Price, News, Quote & History

  Yahoo! Finance Canada · Oct 21, 4:07 AM EDT

• Form 4 Arqit Quantum Inc.: Carlo Calabria (Director) For: 15 October By Investing.com

  Investing.com South Africa · Oct 21, 3:00 AM EDT

• Form 4 Arqit Quantum Inc.: Garth Ritchie (Director) For: 15 October

  Investing.com Nigeria · Oct 21, 2:47 AM EDT

• An 817-share conversion brings an Arqit Quantum (ARQQ) director's direct holdings to 53,924 shares.

  Stock Titan · Oct 20, 9:38 PM EDT

• Carlo Calabria Receives and Vests 919 Arqit Quantum RSUs, Shares Settled in October 2026

  Kalkine Media · Oct 20, 5:41 PM EDT

• After converting 919 stock units, Arqit Quantum (ARQQ) director Carlo Calabria holds 234,147 shares.

  Stock Titan · Oct 20, 5:36 PM EDT

• Arqit announces strategic investment in Sirius to strengthen quantum-safe communications for defence and government

  Yahoo Finance · Oct 20, 9:00 AM EDT

• Arqit Quantum Inc. Announces Select Preliminary Financial Results for the Second Half and Full Fiscal Year 2026

  Yahoo Finance · Oct 8, 8:30 AM EDT

• Today's Stolen Data Could Be Tomorrow's Decrypted Data

  Yahoo Finance · Sep 25, 8:33 AM EDT

• Babcock and Arqit demonstrate secure communications network designed to counter future quantum-enabled threats

  Yahoo Finance · Sep 22, 9:00 AM EDT

Arqit Quantum Inc. key financials

No XBRL financial data is available for this company yet.

Calendar-year figures as reported to the SEC in XBRL filings.

Recent SEC filings

• 6-KFORM 6-K2026-10-08
• 6-KFORM 6-K2026-09-09
• 6-KFORM 6-K2026-08-19
• 6-KFORM 6-K2026-06-17
• 6-KFORM 6-K2026-05-21
• 6-KFORM 6-K2026-05-01
• 6-KFORM 6-K2026-04-13
• 6-KFORM 6-K2026-03-04
• 6-KFORM 6-K2026-01-12
• 6-KFORM 6-K2025-12-09
• 20-F20-F2025-12-09
• 6-KFORM 6-K2025-10-21

About Arqit Quantum Inc.

Ticker

ARQQ (Nasdaq)

Industry

Services-Prepackaged Software

Headquarters

London, United Kingdom

Incorporated in

Cayman Islands

Fiscal year end

September 30

SEC CIK

1859690

Frequently asked questions