Arqit Quantum Inc. Ordinary Shares (ARQQ)

About ARQQ

Arqit Quantum Inc. provides cybersecurity services through satellite and terrestrial platforms in the United Kingdom. The company offers QuantumCloud, a platform as a service that creates unbreakable software encryption keys. It also provides maintenance and support, and professional services. The company has a strategic collaboration with RAD for the development of a joint quantum-safe encryption solution for teleco…

Sector

Technology

Industry

Computer Software: Prepackaged Software

Employees

87

Website

arqit.uk/

Fundamentals

1-day range

$20$21.7

Market cap

$444.47M

P/E (trailing)

—

P/E (forward)

-18.91

EPS (trailing)

$-3.21

Dividend yield

—

Beta

2.87

Avg. volume

744.3K

Arqit Quantum Inc. Ordinary Shares Competitors

Chosen by industry and closest market cap.

• ARQQ

  Arqit Quantum Inc. Ordinary Shares

  $19.99

  ▼ 6.85%
  Market cap $444.47MP/E —
  $11.52$62
• SWMR

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  Market cap $419.60MP/E —
  $11.25$83.3
• CRNC

  Cerence Inc. Common Stock

  $8.5

  ▲ 1.07%
  Market cap $403.08MP/E —
  $5.85$13.74
• MTLS

  Materialise NV American Depositary Shares

  $7.04

  ▼ 5.19%
  Market cap $384.53MP/E 84.71
  $4.3$6.8
• XPER

  Xperi Inc. Common Stock

  $6

  ▼ 1.15%
  Market cap $377.00MP/E —
  $5.07$8.75
• WEAV

  Weave Communications Inc. Common Stock

  $7.3

  ▼ 0.07%
  Market cap $537.07MP/E —
  $4.24$8
• API

  Agora Inc. American Depositary Shares

  $4.1

  ▲ 0.99%
  Market cap $344.12MP/E 34.62
  $3.14$5.5

P/E shows — for peers not currently carrying a live signal of their own.

Latest news

• 12 Information Technology Stocks Moving In Friday's After-Market Session
  Benzinga · 8/28/2026
• Arqit Quantum: The Little Boat That Couldn't
  SeekingAlpha · 8/25/2026
• Quantum Mania: A Storage Company Leads the Quantum Rally
  ChartMill · 8/18/2026
• Arqit Quantum Inc. - A Real Market, An Unrealistic Valuation
  SeekingAlpha · 8/13/2026
• The Zacks Analyst Blog Highlights Quantinuum, IonQ, NVIDIA, IBM, QTUM, ARQQ, WQTM and CHPX
  Yahoo · 8/12/2026
• The Next AI Surge: Top Quantum ETFs to Buy Amid Washington's Funding Push
  Yahoo · 8/11/2026
• Live On CNBC, Rob Sechan Announces Bought ServiceNow; Sold Adobe
  Benzinga · 8/4/2026

• Calabria Carlo · July 17, 2026 · Option Exercise

  757
• Ritchie Garth · July 17, 2026 · Option Exercise

  841
• Lefebvre d'Ovidio Manfredi · July 17, 2026 · Option Exercise

  673
• Calabria Carlo · July 15, 2026 · Grant

  757
• Ritchie Garth · July 15, 2026 · Grant

  841
• Lefebvre d'Ovidio Manfredi · July 15, 2026 · Grant

  673
• Lefebvre d'Ovidio Manfredi · July 10, 2026 · Sale

  8 @ $1.19
• Lefebvre d'Ovidio Manfredi · July 9, 2026 · Sale

  404 @ $1.19
• Lefebvre d'Ovidio Manfredi · July 8, 2026 · Sale

  110 @ $1.4
• Lefebvre d'Ovidio Manfredi · July 7, 2026 · Sale

  40 @ $1.17
• Lefebvre d'Ovidio Manfredi · July 6, 2026 · Sale

  97 @ $1.2
• Willcocks Patrick · July 2, 2026 · Sale

  2.0K @ $25.2
• Leaver Andrew · July 2, 2026 · Sale

  9.9K @ $25.2
• Wilder Ben Simon · July 2, 2026 · Sale

  769 @ $25.2
• Feenan Paul · July 2, 2026 · Sale

  1.8K @ $25.2