Quantum Cyber (QUCY)
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Quantum Cyber N.V. is a publicly traded company focused on opportunities where quantum computing and cybersecurity overlap. Its strategy is built around the expectation that advances in quantum technology will reshape how sensitive data is protected, particularly for governments, financial institutions, communications networks, healthcare systems, energy assets, and other critical infrastructure operators.
The company’s market focus reflects a growing concern across the cybersecurity industry: sufficiently powerful quantum computers could eventually weaken or break widely used public-key encryption methods. In response, organisations are assessing post-quantum cryptography, quantum-safe key management, secure communications architectures, and other defensive tools designed to protect information over long time horizons. Quantum Cyber positions itself within this transition, seeking to develop or assemble a diversified platform that addresses emerging security risks before they become mainstream operational threats.
As an investment story, Quantum Cyber is tied less to a single established product line and more to a developing theme at the intersection of deep technology and cyber resilience. The company’s prospects depend on its ability to identify commercially relevant quantum-security applications, form partnerships, build credible technical capabilities, and convert demand for quantum-safe protection into revenue. This places it in a market that can be attractive but also highly specialised, with long adoption cycles and meaningful technology uncertainty.
For investors, Quantum Cyber N.V. represents exposure to a niche segment of the broader cybersecurity sector, centred on the future need to secure digital infrastructure against quantum-era attacks.
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- ROBERT KOCH STRASSE 50, MAINZ, 2M, 55129
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Quantum Cyber Announces Plans to Establish U.S.-Based Defense-Technology Manufacturing Complex to Support Drone and Autonomous Systems Delivery
Quantum Cyber Files Provisional Patent Application for Coaxial Dual-Propellant Grain Solid Rocket Motor Designed to Extend Range and Loiter Time of Defense UAVs
Quantum Cyber Shares Jump After Launch of U.S. Defense-Focused Subsidiary (QUCY)
Quantum Cyber Launches Quantum Drones Corporation to Advance U.S. Federal Defense Procurement Strategy and Autonomous Warfare Capabilities
Quantum Cyber to Exhibit at Special Operations Forces Week 2026
Quantum Cyber to Exhibit at Special Operations Forces Week 2026
Quantum Cyber N.V. Launches quantum-cyber.ai Targeting Homeland Security, Autonomous Drone, & Quantum Technology Sectors
Defense Board Appointment Expands Quantum Cyber’s Government and Military Ties (QUCY)
Autonomous Drone Platform Deal Expands Quantum Cyber’s Defense Technology Push (QUCY)
Dow Falls 200 Points; US Producer Prices Surge In April
Quantum Cyber N.V. Secures Exclusive Autonomous Drone Platform as Trump Administration Seeks $55 Billion for Drone Warfare
Quantum Cyber (f/k/a Mainz Biomed) Announces Stock Ticker Symbol Change to NASDAQ: QUCY
Income Statement
| Line Item | 2025 Q4 | 2024 Q4 | 2023 Q4 | 2022 Q4 | 2021 Q4 |
|---|---|---|---|---|---|
| Revenue | 537.08K | 893.99K | 895.48K | 529.88K | 577.35K |
| Cost of revenue | 147.29K | 319.11K | 385.82K | 347.73K | 399.73K |
| Gross profit | 389.79K | 574.88K | 509.66K | 182.15K | 177.62K |
| Operating income | -16.14M | -18.77M | -26.64M | -26.44M | -9.72M |
| EBITDA | -12.88M | -17.8M | -25.78M | -26.06M | -9.65M |
| Net income | -16.21M | -21.6M | -26.3M | -26.39M | -11.69M |
| Interest expense | -373.46K | -945.55K | -809.58K | -289.32K | -339.17K |
| Other operating expenses | 2.64M | 277.16K | 0 | 0 | 0 |
| Total operating expenses | 16.53M | 19.35M | 27.15M | 26.63M | 9.9M |
| Basic EPS | -2.7 | -21.91 | -64.76 | -74.55 | -64.8 |
| Diluted EPS | -2.7 | -21.91 | -64.76 | -74.55 | -64.8 |
Balance Sheet
| Line Item | 2025 Q4 | 2024 Q4 | 2023 Q4 | 2022 Q4 |
|---|---|---|---|---|
| Total assets | 5.33M | 13.5M | 15.41M | 20.24M |
| Total liabilities | 4.69M | 7.5M | 12.16M | 6.14M |
| Total equity | 641.6K | 6M | 3.25M | 14.1M |
| Cash & equivalents | 701.6K | 6.24M | 7.07M | 17.14M |
| Current assets | 4.21M | 8.02M | 8.98M | 18.38M |
| Current liabilities | 857.56K | 6.18M | 9.24M | 4.24M |
| Accounts payable | 172.11K | 2.92M | 3.18M | 2.72M |
| Receivables | 0 | 33.58K | 93.56K | 66.98K |
| Inventories | — | 372.87K | 613.64K | 175.47K |
Cash Flow
| Line Item | 2025 Q4 | 2024 Q4 | 2023 Q4 | 2022 Q4 | 2021 Q4 |
|---|---|---|---|---|---|
| Operating cash flow | -10.98M | -17.33M | -21.94M | -14.77M | -3.22M |
| Investing cash flow | -1.03M | -198.82K | -1.9M | -658.48K | 1.2M |
| Financing cash flow | 6.76M | 16.79M | 14.23M | 23.94M | 10.61M |
| Change in cash | -5.35M | -835.26K | -10.07M | 8.41M | 8.6M |
| Net income | -16.21M | -21.6M | -26.3M | -26.39M | -11.69M |
| Kind | Filing | Date | Link |
|---|---|---|---|
| edgar index | 3 — Quantum Cyber N.V. | View Filing | |
| form 3 | Form 3 — Buffalino Louis R. | View Filing | |
| edgar index | 8-K — Quantum Cyber N.V. | View Filing | |
| edgar index | 4 — Quantum Cyber N.V. | View Filing | |
| eight k text | 8-K — 8-K | View Filing | |
| form 4 | Form 4 — O'Rourke Peter | View Filing | |
| edgar index | 8-K — Quantum Cyber N.V. | View Filing | |
| eight k text | 8-K — 8-K | View Filing | |
| edgar index | 8-K — Quantum Cyber N.V. | View Filing | |
| eight k text | 8-K — 8-K | View Filing | |
| edgar index | 8-K — Quantum Cyber N.V. | View Filing | |
| edgar index | EFFECT — Quantum Cyber N.V. | View Filing | |
| eight k text | 8-K — 8-K | View Filing | |
| edgar index | 8-K — Quantum Cyber N.V. | View Filing | |
| eight k text | 8-K — 8-K | View Filing | |
| edgar index | S-3 — Quantum Cyber N.V. | View Filing | |
| edgar index | 8-K — Quantum Cyber N.V. | View Filing | |
| eight k text | 8-K — 8-K | View Filing | |
| edgar index | DEF 14A — Quantum Cyber N.V. | View Filing | |
| edgar index | ARS — Quantum Cyber N.V. | View Filing | |
| edgar index | 8-K — Quantum Cyber N.V. | View Filing | |
| eight k text | 8-K — 8-K | View Filing | |
| edgar index | 8-K — Quantum Cyber N.V. | View Filing | |
| edgar index | 4 — Quantum Cyber N.V. | View Filing | |
| eight k text | 8-K — 8-K | View Filing | |
| edgar index | PRE 14A — Quantum Cyber N.V. | View Filing | |
| edgar index | 144 — Quantum Cyber N.V. | View Filing | |
| edgar index | 4 — Quantum Cyber N.V. | View Filing | |
| edgar index | 3 — Quantum Cyber N.V. | View Filing | |
| form 3 | Form 3 — O'Rourke Peter | View Filing | |
| edgar index | 8-K — Quantum Cyber N.V. | View Filing | |
| edgar index | 144 — Quantum Cyber N.V. | View Filing | |
| eight k text | 8-K — 8-K | View Filing | |
| edgar index | 10-Q — Quantum Cyber N.V. | View Filing | |
| edgar index | 8-K — Quantum Cyber N.V. | View Filing | |
| eight k text | 8-K — 8-K | View Filing | |
| form 4 | Form 4 — NATAN DAVID | View Filing | |
| form 4 | Form 4 — Ben-Tzvi Avraham | View Filing | |
| edgar index | 4 — Quantum Cyber N.V. | View Filing | |
| edgar index | 8-K — Quantum Cyber N.V. | View Filing | |
| edgar index | 3 — Quantum Cyber N.V. | View Filing | |
| edgar index | 3 — Quantum Cyber N.V. | View Filing | |
| edgar index | SCHEDULE 13D — Quantum Cyber N.V. | View Filing | |
| form 3 | Form 3 — NATAN DAVID | View Filing | |
| form 3 | Form 3 — Ben-Tzvi Avraham | View Filing | |
| form 4 | Form 4 — Lazar David E. | View Filing | |
| form 4 | Form 4 — Lazar David E. | View Filing | |
| form 4 | Form 4 — Lazar David E. | View Filing | |
| edgar index | 8-K — MAINZ BIOMED N.V. | View Filing | |
| edgar index | 10-K — MAINZ BIOMED N.V. | View Filing | |
| ten k section | 10-K — business | View Filing | |
| ten k section | 10-K — mda | View Filing | |
| ten k section | 10-K — risk_factors | View Filing | |
| edgar index | 8-K — MAINZ BIOMED N.V. | View Filing | |
| edgar index | DEF 14A — MAINZ BIOMED N.V. | View Filing | |
| edgar index | 8-K — MAINZ BIOMED N.V. | View Filing | |
| edgar index | PRE 14A — MAINZ BIOMED N.V. | View Filing | |
| edgar index | 8-K — MAINZ BIOMED N.V. | View Filing | |
| edgar index | 3 — MAINZ BIOMED N.V. | View Filing | |
| edgar index | 4 — MAINZ BIOMED N.V. | View Filing | |
| form 3 | Form 3 — Lazar David E. | View Filing | |
| edgar index | S-8 — MAINZ BIOMED N.V. | View Filing | |
| edgar index | 3 — MAINZ BIOMED N.V. | View Filing | |
| edgar index | 4 — MAINZ BIOMED N.V. | View Filing | |
| edgar index | 4 — MAINZ BIOMED N.V. | View Filing | |
| edgar index | 4 — MAINZ BIOMED N.V. | View Filing | |
| edgar index | 4 — MAINZ BIOMED N.V. | View Filing | |
| form 3 | Form 3 — Hekland Hans | View Filing | |
| form 3 | Form 3 — Hekland Hans | View Filing | |
| form 3 | Form 3 — Hekland Hans | View Filing | |
| form 3 | Form 3 — Hekland Hans | View Filing | |
| form 3 | Form 3 — Hekland Hans | View Filing | |
| edgar index | SCHEDULE 13G/A — MAINZ BIOMED N.V. | View Filing | |
| edgar index | 8-K — MAINZ BIOMED N.V. | View Filing | |
| form 4 | Form 4 — Lazar David E. | View Filing |
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