Arqit Quantum Inc. Market Cap ($261.04 Million)
Market Cap & Net Worth: Arqit Quantum Inc. (ARQQ)
Arqit Quantum Inc. market cap. Arqit Quantum Inc. (NASDAQ:ARQQ) has a market capitalization of $261.04 Million ($261.04 Million) as of November 5, 2026. Listed on the NASDAQ stock exchange, this USA-based company holds position #15200 globally and #3617 in its home market, demonstrating a -7.95% decrease in market value over the past year.
Market capitalization, also known as net worth in stock markets, is calculated by multiplying Arqit Quantum Inc.'s stock price $15.00 by its total outstanding shares 17402411 (17.40 Million). Also see cash efficiency ratio of Arqit Quantum Inc. for how efficiently the company converts equity into cash flow.
Arqit Quantum Inc. Market Cap History (2021–2026)
Arqit Quantum Inc. market cap history from 2021 to 2026. Data shows change from $10.42 Billion to $261.04 Million (-39.08% CAGR). Check Arqit Quantum Inc. stock quote for real-time trading data and today's change.
Index Memberships
Arqit Quantum Inc. is a constituent of 1 market index:
| Index | Total Market Cap | Weight (%) | Rank by Market Cap |
|---|---|---|---|
|
NASDAQ Composite
IXIC
|
$40.20 Trillion | 0.00% | #1475 of 3165 |
Weight: Arqit Quantum Inc.'s market cap as a percentage of total index value. Rank: Position among all constituents by market cap.
Arqit Quantum Inc. Market Cap to Earnings & Revenue Ratios Timeline
This chart shows how Arqit Quantum Inc.'s valuation ratios have evolved. The Price to Sales (P/S) ratio compares market cap to revenue, while the Price to Earnings (P/E) ratio compares market cap to net income. Lower values may indicate a more undervalued company relative to its financial performance. Explore net asset momentum of Arqit Quantum Inc. to track how rapidly the company is growing its equity base year over year.
Latest Price to Sales (P/S) Ratio
718.42x
Arqit Quantum Inc.'s market cap is 718.42 times its annual revenue
Latest Price to Earnings (P/E) Ratio
N/A
P/E ratio not applicable due to negative or zero earnings
What These Ratios Tell Investors:
- Price to Sales (P/S) Ratio: Shows how much investors are paying for each dollar of the company's sales. Lower P/S ratios may indicate undervaluation.
- Price to Earnings (P/E) Ratio: Shows how much investors are paying for each dollar of the company's earnings. This is one of the most common valuation metrics.
- Trends in these ratios over time can indicate changing investor sentiment about the company's future growth prospects.
- Industry comparison provides context for whether the company is valued higher or lower than peers.
| Year | Market Cap (USD) | Revenue (USD) | Net Income (USD) | P/S Ratio | P/E Ratio |
|---|---|---|---|---|---|
| 2021 | $10.42 Billion | $47.91K | -$271.73 Million | 217484.73x | N/A |
| 2022 | $1.57 Billion | $7.21 Million | $65.08 Million | 217.77x | 24.13x |
| 2023 | $206.22 Million | $640.00K | -$70.39 Million | 322.22x | N/A |
| 2024 | $675.91 Million | $293.00K | -$54.58 Million | 2306.86x | N/A |
| 2025 | $380.76 Million | $530.00K | -$35.34 Million | 718.42x | N/A |
Competitor Companies of ARQQ by Market Capitalization
Companies near Arqit Quantum Inc. in the global market cap rankings as of November 5, 2026. Also see Arqit Quantum Inc. balance sheet assets for a full breakdown of the balance sheet.
Key companies related to Arqit Quantum Inc. by market ranking:
- Microsoft Corporation (NASDAQ:MSFT): Ranked #3 globally with a market cap of $3.65 Trillion USD.
- Palantir Technologies Inc. (NASDAQ:PLTR): Ranked #37 globally with a market cap of $403.55 Billion USD.
- Oracle Corporation (NYSE:ORCL): Ranked #41 globally with a market cap of $362.93 Billion USD.
- Palantir Technologies Inc. Class A Common Stock (NYSE:PLTR): Ranked #51 globally with a market cap of $324.25 Billion USD.
| Rank | Company | Symbol | Market Cap | Price |
|---|---|---|---|---|
| #3 | Microsoft Corporation | NASDAQ:MSFT | $3.65 Trillion | $520.99 |
| #37 | Palantir Technologies Inc. | NASDAQ:PLTR | $403.55 Billion | $175.40 |
| #41 | Oracle Corporation | NYSE:ORCL | $362.93 Billion | $126.19 |
| #51 | Palantir Technologies Inc. Class A Common Stock | NYSE:PLTR | $324.25 Billion | $178.15 |
Market Capitalization of Arqit Quantum Inc. (2021–2026)
Market capitalization of Arqit Quantum Inc. from 2021 to today. Between 2021 and today, Arqit Quantum Inc.'s market cap moved from $10.42 Billion to $ 261.04 Million, with a yearly change of -39.08%.
| Year | Market Cap | Change (%) |
|---|---|---|
| 2026 | $261.04 Million | -31.44% |
| 2025 | $380.76 Million | -43.67% |
| 2024 | $675.91 Million | +227.76% |
| 2023 | $206.22 Million | -86.87% |
| 2022 | $1.57 Billion | -84.93% |
| 2021 | $10.42 Billion | -- |
End of Day Market Cap According to Different Sources
On Nov 4th, 2026 the market cap of Arqit Quantum Inc. was reported to be:
| Source | Market Cap |
|---|---|
| Yahoo Finance | $261.04 Million USD |
| MoneyControl | $261.04 Million USD |
| MarketWatch | $261.04 Million USD |
| marketcap.company | $261.04 Million USD |
| Reuters | $261.04 Million USD |
Market cap values may vary slightly between sources due to differences in calculation methods, timing, and data refresh rates.
About Arqit Quantum Inc.
Arqit Quantum Inc. provides cybersecurity services through satellite and terrestrial platforms in the United Kingdom. It offers QuantumCloud, a Platform as a Service that creates unbreakable software encryption keys. The company also provides maintenance and support, and professional services. Arqit Quantum Inc. is based in London, the United Kingdom.