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Arqit Quantum Inc.
How the company evolved, year by year. Revenue and debt come from the annual reports — for most companies, the 10-K filings with the SEC since 2009; dividends from the payments themselves.
The bars are a balance on the closing date; the lines are what happened during the year. Revenue above equity is ordinary, not an anomaly — it means the company turns its capital over more than once a year.
Major managers that reported this stock in their latest 13F.
▼ -95.5% over 5Y.
today you would have $49.03▼ -95.1%
Dividends reinvested, splits accounted for. Past prices say what happened, not what will.
The last 4 closed years. Each multiple uses that year’s closing price and that year’s reported numbers — not today’s. The range is set by the annual reports on record.
| Indicator | Median | 2025 | 2024 | 2023 | 2022 |
|---|---|---|---|---|---|
| Year-end price | $21.88 | $38.84 | $11.85 | $90.25 | |
| P/E | — | — | — | — | 6.8x |
| P/S | 376.2x | 631.3x | 1530.4x | 121.1x | 61.0x |
| P/B | 8.9x | 12.3x | 37.9x | 1.2x | 5.6x |
| EPS | -$2.56 |
Companies of similar size in Technology, for comparison. The columns are the same ones above, in the same order.
| Stock | Price | P/E | P/B | Dividend yield | ROE | Market cap |
|---|---|---|---|---|---|---|
| OPTXSyntec Optics Holdings Inc | $8.52 | — | 36.1x | — | -11.64% | $343.18M |
| APIAgora, Inc. | $4.21 | 42.1x | 0.6x | — | 1.96% | $355.95M |
| BKKTBakkt, Inc. | $7.99 | — | 1.0x | — | -10.17% | $360.1M |
| PSFEPaysafe Ltd | $6.45 |
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 telecom networks. The company is based in London, the United Kingdom.
Company description provided by Yahoo Finance.
| -$11.23 |
| -$14.17 |
| $13.34 |
| Profit margin | -9156.67% | -6668.49% | -19391.81% | -11644.84% | 902.32% |
| ROE | -120.79% | -129.77% | -480.73% | -111.81% | 82.84% |
Median, not average: a single year of near-zero profit produces a P/E of 400 and would drag an average on its own. P/E years above 200x are left out, the same cut the fair price uses — so this median matches the “its own history” method below. Price and EPS have no median: they are series that grow.
| — |
| 0.6x |
| — |
| -30.25% |
| $336.79M |
| RPAYRepay Holdings Corp | $3.80 | — | 0.7x | — | -31.83% | $335.1M |
| MPTIM-tron Industries, Inc. | $76.98 | 30.2x | 3.8x | — | 12.39% | $334.59M |