

Audited annual filings, TTM ratios and consensus forward estimates
Wall Street price targets and rating actions
Revenue disaggregation per 10-K filing
Annual filings (FY) with consensus forward estimates (hatched)
1255 daily bars · split adjusted
Current price $16.41
Latest analyst grade actions
| Date | Firm | Action | Previous | New grade |
|---|---|---|---|---|
| Oct 13, 25 | HC Wainwright & Co. |
Daily · Wilder smoothing
| maintain |
| Buy |
| Buy |
| Sep 18, 25 | HC Wainwright & Co. | maintain | Buy | Buy |
| Dec 31, 24 | HC Wainwright & Co. | maintain | Buy | Buy |
| Dec 6, 24 | HC Wainwright & Co. | maintain | Buy | Buy |
| Jul 11, 24 | HC Wainwright & Co. | maintain | Buy | Buy |
| May 29, 24 | HC Wainwright & Co. | maintain | Buy | Buy |
| May 15, 24 | HC Wainwright & Co. | maintain | Buy | Buy |
| Nov 22, 23 | HC Wainwright & Co. | maintain | Buy | Buy |
| Sep 27, 23 | HC Wainwright & Co. | maintain | Buy | Buy |
Classic floor pivots from 2026-10-23
Computed from daily OHLCV bars
| Indicator | Value | Type | Action |
|---|---|---|---|
| RSI (14) | 41.22 | Oscillator | Neutral |
| Stochastic %K (14, 3, 3) | 24.72 | Oscillator | Neutral |
| Williams %R (14) | -73.40 | Oscillator | Neutral |
| MACD (12, 26, 9) | -1.67 (Hist -0.28) | Oscillator | Strong Sell |
| Average Directional Index (14) | 27.16 (+DI 17.3 / -DI 29.3) | Trend | Strong Sell |
| EMA 20 | 17.93 | MA | Strong Sell |
| SMA 20 | 19.17 | MA | Strong Sell |
| EMA 50 | 19.42 | MA | Strong Sell |
| SMA 50 | 20.33 | MA | Strong Sell |
| SMA 200 | 18.42 | MA | Strong Sell |
FY2022 · 10-K disclosure
Free float vs. closely held shares
13F institutional holdings are not available in the current data plan.
SEC Form 4 filings
| Date | Insider | Role | Type | Shares @ price | Value |
|---|---|---|---|---|---|
| Oct 16, 26 | Lefebvre D'Ovidio Manfredi | director | M-Exempt | 817 | — |
| Oct 15, 26 | Lefebvre D'Ovidio Manfredi | director | A-Award | 817 | — |
| Oct 16, 26 | Lefebvre D'Ovidio Manfredi | director | M-Exempt | 817 | — |
| Oct 16, 26 | Calabria Carlo | director | M-Exempt | 919 | — |
| Oct 15, 26 | Calabria Carlo | director | A-Award | 919 | — |
| Oct 16, 26 | Calabria Carlo | director | M-Exempt | 919 | — |
| Oct 16, 26 | Ritchie Garth | director | M-Exempt | 1,021 | — |
| Oct 15, 26 | Ritchie Garth | director | A-Award | 1,021 | — |
Stock news · updated daily
LONDON, Oct. 20, 2026 (GLOBE NEWSWIRE) -- Arqit Quantum Inc. (NASDAQ: ARQQ), a global leader in quantum-safe encryption helping safeguard sensitive information from current and future cyber threats, today announced a strategic investment in Sirius Computer, Inc., a technology provider of secure computing and networking solutions for defence, intelligence and critical national infrastructure. This will accelerate the development and delivery of quantum-safe communications for defence, government and national security users.
Arqit Quantum Inc. is downgraded to 'sell' due to disappointing FY26 results and persistent operational risks. ARQQ's FY26 revenue reached $975k–$1M, missing guidance and showing sequential declines in H2, raising concerns about growth reliability. With a 247x sales multiple, high stock-based compensation, and a shrinking customer base, ARQQ's valuation appears excessive and vulnerable.
LONDON, Oct. 08, 2026 (GLOBE NEWSWIRE) -- Arqit Quantum Inc. (Nasdaq: ARQQ) (“Arqit”), a global leader in quantum-safe encryption, announces select preliminary financial results for the second half and full fiscal year 2026. Based on preliminary unaudited results, management expects revenue for the second half period ended 30 September 2026 of approximately $355,000 to $380,000.
Arqit Quantum Inc. (NASDAQ: ARQQ - Get Free Report) General Counsel Patrick Willcocks sold 588 shares of the stock in a transaction that occurred on Monday, October 5th. The stock was sold at an average price of $23.78, for a total transaction of $13,982.64. Following the completion of the transaction, the general counsel owned 11,764 shares
Arqit Quantum Inc. (NASDAQ: ARQQ - Get Free Report) insider Nicholas Nilan sold 522 shares of the firm's stock in a transaction dated Monday, October 5th. The stock was sold at an average price of $23.78, for a total transaction of $12,413.16. Following the transaction, the insider directly owned 904 shares in the company, valued at
Arqit Quantum Inc. (NASDAQ: ARQQ - Get Free Report) CRO Paul Feenan sold 533 shares of Arqit Quantum stock in a transaction on Monday, October 5th. The shares were sold at an average price of $23.78, for a total transaction of $12,674.74. Following the transaction, the executive owned 21,416 shares in the company, valued at $509,272.48.
/PRNewswire/ -- Equity Insider News Commentary - Some of the most sensitive data intercepted today may not be read for years. The threat, known in security
LONDON, Sept. 22, 2026 (GLOBE NEWSWIRE) -- Babcock International Group (Babcock), the defence company, has demonstrated its systems integration expertise by securely transferring scenario data using advanced encryption technology from Arqit Quantum Inc, a global leader in quantum-safe encryption, helping safeguard sensitive information from future cyber threats.
Reported EPS vs. consensus estimate
| Report date | EPS est. | EPS actual | Surprise | Revenue |
|---|---|---|---|---|
| May 21, 2026 | -0.78 | -1.99 | Miss -155.6% | $623.0K |
| Dec 9, 2025 | -0.92 | -1.22 | Miss -32.6% | $500.0K |
| May 22, 2025 | -0.85 | -1.35 | Miss -59.1% | $67.00K |
| Dec 5, 2024 | -2.10 | -1.98 | Beat 5.7% | $174.0K |
| May 20, 2024 | -2.50 | -2.50 | Beat 0.0% | $119.0K |
| Nov 21, 2023 | -3.50 | -9.45 | Miss -170.0% | $621.0K |
TTM vs. 5-year historical average (annual ratios)
| Metric | ARQQ | Historical (5Y) / ref | Status |
|---|---|---|---|
| P/E ratio (TTM) | -5.2x | -2.3x · sector 44.2x | Discount |
| Forward P/E (FY26E) | -10.8x | EPS est. -1.52 | Elevated |
| Price / Book | 9.5x | -1.7x | Discount |
| Price / Sales | 263.0x | 5989.2x | Discount |
| EV / EBITDA | -5.2x | -1.6x | Elevated |
| Return on equity | -183.7% | — | Weak |
| Gross margin | 9.3% | -210.4% | Below hist. |
| Debt / Equity | 0.08 | 0.07 | Conservative |
| Piotroski / Altman Z | 4/9 | Z 8.29 | Safe zone |
Discounted cash flow model
SEC EDGAR filings · last 12 months
| Form | Filed | Accepted | Document |
|---|---|---|---|
| 4 | Oct 20, 2026 | 2026-10-20 21:37:39 | View |
| 4 | Oct 20, 2026 | 2026-10-20 17:35:49 | View |
| 4 | Oct 20, 2026 | 2026-10-20 17:34:53 | View |
| 4 | Oct 15, 2026 | 2026-10-15 16:45:55 | View |
| 4 | Oct 13, 2026 | 2026-10-13 17:48:33 | View |
| 4 | Oct 8, 2026 | 2026-10-08 18:19:13 | View |
| 4 | Oct 8, 2026 | 2026-10-08 18:18:34 | View |
| 4 | Oct 8, 2026 | 2026-10-08 18:17:46 | View |
| 4 | Oct 8, 2026 | 2026-10-08 18:16:44 | View |
| 4 | Oct 8, 2026 | 2026-10-08 18:15:58 | View |
Proxy statement (DEF 14A) disclosures