Arqit Quantum Inc. (NASDAQ: ARQQ) Stock Information | RedChip
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Arqit Quantum Inc. (NASDAQ: ARQQ)
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$12.23
-1.9900 ( -14.00% ) 439.1K

Arqit Quantum Inc is a cybersecurity company that has pioneered a symmetric key agreement technology which makes the communications links of any networked device or data at rest secure against current and future forms of cyber attack - even an attack from a quantum computer. Arqit delivers its symmetric key agreement technology via its QuantumCloud. Its product, QuantumCloud, enables any device to download a lightweight software agent, which can create keys in partnership with any other device. The firm operates in one segment that is, the provision of cybersecurity services via satellite and terrestrial platforms. Key revenue comes from the UK.

Market Data


Open $12.23
Previous Close $14.22
Volume 439.1K
Market Cap $254.77M
Day Range $12.23 - $14.36
52 Week Range $11.52 - $62.00
Shares Outstanding 17.40M
Change % -14.00%
Net Change ▼ -1.9900
Insider Ownership N/A
Exchange NASDAQ
SectorTechnology
IndustryComputer Software: Prepackaged Software
IPO Year2021
CountryUnited Kingdom
UnderwriterIPO Intelligence Only

Insider Ownership Transactions

Total Amount Purchased: 0.00

Date Type Amount Purchased Purchaser
No records found.

SEC Filings


Form Type Description Pages Date
6-k Form 6-K 3 Oct 09, 2025
schedule Other 1 Sep 24, 2025
424b3 Other 1 Sep 19, 2025
424b5 Other 1 Sep 15, 2025
6-k Form 6-K 4 Sep 15, 2025
6-k Form 6-K 1 Sep 11, 2025
6-k Form 6-K 6 Aug 28, 2025
schedule Other 1 Aug 26, 2025

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