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. The company has a strategic collaboration with RAD for the development of a joint quantum-safe encryptio… Read more
Market Cap & Net Worth: Arqit Quantum Inc. (ARQQ)
Arqit Quantum Inc. (NASDAQ:ARQQ) has a market capitalization of $221.63 Million ($221.63 Million) as of March 19, 2026. Listed on the NASDAQ stock exchange, this USA-based company holds position #19334 globally and #7119 in its home market, demonstrating a -8.53% 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 $14.16 by its total outstanding shares 15651859 (15.65 Million).
Arqit Quantum Inc. Market Cap History: 2021 to 2026
Arqit Quantum Inc.'s market capitalization history from 2021 to 2026. Data shows change from $9.37 Billion to $221.63 Million (-43.47% CAGR).
Index Memberships
Arqit Quantum Inc. is a constituent of 1 market index:
| Index | Total Market Cap | Weight (%) | Rank by Market Cap |
|---|---|---|---|
|
NASDAQ Composite
IXIC
|
$33.39 Trillion | 0.00% | #1775 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.
Latest Price to Sales (P/S) Ratio
646.16x
Arqit Quantum Inc.'s market cap is 646.16 times its annual revenue
24.50x
Higher than industry averageLatest 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 | $9.37 Billion | $47.91K | -$271.73 Million | 195607.40x | N/A |
| 2022 | $1.41 Billion | $7.21 Million | $65.08 Million | 195.87x | 21.71x |
| 2023 | $185.47 Million | $640.00K | -$70.39 Million | 289.80x | N/A |
| 2024 | $607.92 Million | $293.00K | -$54.58 Million | 2074.81x | N/A |
| 2025 | $342.46 Million | $530.00K | -$35.34 Million | 646.16x | N/A |
Competitor Companies of ARQQ by Market Capitalization
Companies near Arqit Quantum Inc. in the global market cap rankings as of March 19, 2026.
Key companies related to Arqit Quantum Inc. by market ranking:
- Microsoft Corporation (NASDAQ:MSFT): Ranked #5 globally with a market cap of $2.96 Trillion USD.
- Palantir Technologies Inc. Class A Common Stock (NYSE:PLTR): Ranked #39 globally with a market cap of $324.25 Billion USD.
- Palantir Technologies Inc. (NASDAQ:PLTR): Ranked #40 globally with a market cap of $321.50 Billion USD.
- Oracle Corporation (NYSE:ORCL): Ranked #53 globally with a market cap of $263.97 Billion USD.
| Rank | Company | Symbol | Market Cap | Price |
|---|---|---|---|---|
| #5 | Microsoft Corporation | NASDAQ:MSFT | $2.96 Trillion | $399.41 |
| #39 | Palantir Technologies Inc. Class A Common Stock | NYSE:PLTR | $324.25 Billion | $178.15 |
| #40 | Palantir Technologies Inc. | NASDAQ:PLTR | $321.50 Billion | $155.08 |
| #53 | Oracle Corporation | NYSE:ORCL | $263.97 Billion | $154.69 |
Arqit Quantum Inc. Historical Marketcap From 2021 to 2026
Between 2021 and today, Arqit Quantum Inc.'s market cap moved from $9.37 Billion to $ 221.63 Million, with a yearly change of -43.47%.
| Year | Market Cap | Change (%) |
|---|---|---|
| 2026 | $221.63 Million | -35.28% |
| 2025 | $342.46 Million | -43.67% |
| 2024 | $607.92 Million | +227.76% |
| 2023 | $185.47 Million | -86.87% |
| 2022 | $1.41 Billion | -84.93% |
| 2021 | $9.37 Billion | -- |
End of Day Market Cap According to Different Sources
On Mar 18th, 2026 the market cap of Arqit Quantum Inc. was reported to be:
| Source | Market Cap |
|---|---|
| Yahoo Finance | $221.63 Million USD |
| MoneyControl | $221.63 Million USD |
| MarketWatch | $221.63 Million USD |
| marketcap.company | $221.63 Million USD |
| Reuters | $221.63 Million USD |
Market cap values may vary slightly between sources due to differences in calculation methods, timing, and data refresh rates.