What Changed
- Quantum Cyber Acquires NVIDIA A100 AI Compute Cluster to Power Its Swarm Operating System
- A 53,000-square-foot facility comes with Quantum Cyber (QUCY)'s Arcade acquisition. The company plans to use it for defense manufacturing.
- Quantum Cyber Sharpens Strategic Focus to Quantum Navigation, Interceptor Drones, and U.S. Manufacturing, and Presents New Corporate Investor Presentation
Price Move History
- Daily moves over 5%
- 60 137 sessions, March 12, 2026 to September 25, 2026
- Largest daily move
- +315.1% close of May 13, 2026
Company Description
Quantum Cyber N.V. Overview
Quantum Cyber N.V. (QUCY) is a Nasdaq-listed autonomous defense technology company. The company describes its focus as an AI-powered System-of-Systems platform for drone warfare, counter-UAS, border security, demining, command-and-control, autonomous naval mine countermeasures, EMP shielding, and quantum antenna applications. Its ordinary shares trade on the Nasdaq Capital Market under the symbol QUCY.
Quantum Cyber N.V. is organized as a Netherlands company and has identified Norwalk, Connecticut, as its headquarters location in company releases and SEC filings. The company was formerly known as Mainz Biomed N.V., and older filings discuss a prior colorectal cancer screening business that included ColoAlert sales and the wind down of a colorectal cancer screening sales and marketing team. The QUCY record therefore includes both the company’s former diagnostics-related history and its newer autonomous defense technology identity.
Autonomous Defense Platform
Quantum Cyber’s stated business focus centers on autonomous systems used in defense and national-security settings. Company releases describe an AI-powered, quantum-accelerated System-of-Systems platform that spans drones, counter-UAS, command-and-control, and quantum antenna applications. In this context, System-of-Systems refers to a platform approach in which multiple hardware, software, communications, and autonomy elements are designed to work together rather than as isolated products.
The company has described Quantum Station as its battlefield command-and-control platform. It has also described a Swarm Operating System being designed so Quantum Cyber platforms across air, land, and sea can operate as a coordinated force under a single Quantum Station operator. Company disclosures describe intended functions for that system, such as shared situational awareness, autonomous target discrimination, cooperative routing, and mission-level decisioning.
Quantum Cyber has also disclosed in-house AI infrastructure intended to support the Swarm Operating System and AI and autonomy features for Quantum Station. The company frames this infrastructure as part of its effort to build autonomy into defense platforms rather than depend only on manual drone operation.
Drone Manufacturing and Bridgeport Facility
Quantum Cyber has tied its defense strategy to domestic manufacturing capacity in Bridgeport, Connecticut. Company releases describe a U.S.-based manufacturing facility in Bridgeport where the company reported the assembly of its first mini-interceptor drone and the purchase and installation of a 3D printing drone production farm.
The company has stated that the Bridgeport 3D printing operation is intended to serve as its primary autonomous drone manufacturing operation at that site. Disclosures describe dedicated capacity for structural airframe components, enclosures, and printed subassemblies across planned attritable one-way attack, interceptor, surveillance, VTOL, and long-range drone product lines. These disclosures support Quantum Cyber’s stated shift from technology development and IP licensing toward a vertically integrated domestic defense manufacturing model.
SEC filings also describe a property acquisition connected to the Bridgeport manufacturing complex. Quantum Drones Corporation entered into an agreement with Arcade Realty LLC to acquire Bridgeport real property, and the company later reported that the acquisition was completed. Arcade Realty LLC appears in the filings as the property transaction counterparty, while Quantum Drones Corporation is described in company materials as Quantum Cyber’s wholly owned U.S. defense subsidiary.
Quantum Photonic Antenna Technology
Quantum Cyber’s filings describe an exclusive, worldwide license from Project LightShift for patent-protected quantum photonic array technology, referred to by the company as quantum antenna technology. The license covers development, manufacturing, and commercialization of quantum antenna systems for UAV and drone platforms in defense and national-security applications.
Company releases describe the Quantum Photonic Antenna as part of the quantum layer of Quantum Cyber’s autonomous defense platform. The company’s technical description presents the architecture as a pipeline of capture, separate, convert, squeeze, and synchronize, coordinated by probability and state-transition logic and phase control across an array. Applications described by the company include resilient communications for unmanned aerial systems operating in contested and denied environments, satellite-to-ground and space-based optical communications, supplemental broad-spectrum energy harvesting, optical power beaming, multispectral sensing, and optical navigation in GPS-degraded conditions.
The company has also stated that it is seeking manufacturing partners, foundries, and applied-R&D organizations to build a working prototype of its exclusively licensed quantum-photonic antenna front-end. That effort is presented in company communications as complementary to its drone airframe, propulsion, and domestic manufacturing work.
Commercial and Regional Focus
Quantum Cyber releases discuss U.S. sales build-out and Middle East commercial expansion as the company advances its autonomous defense platform. The company has referenced government and sovereign engagement across the Gulf Cooperation Council and Israel. It has also described U.S. commercialization work alongside the ramp-up of its Bridgeport manufacturing facility and purchase orders assumed by Quantum Drones Corporation.
Because many of Quantum Cyber’s disclosed activities involve defense, autonomous systems, licensing, and manufacturing, investors following QUCY often focus on whether company filings and releases show progress in prototype development, facility operations, commercial orders, material agreements, and financing structure. The company’s public record includes quarterly reports, material event filings, license agreements, property acquisition disclosures, auditor-related filings, and investor presentation filings.
Corporate and Filing Profile
Quantum Cyber files reports with the SEC as a Nasdaq-listed issuer. Its filings identify QUCY ordinary shares, nominal value €0.01 per share, as registered on the Nasdaq Capital Market. The company is identified in filings as an emerging growth company.
Recent SEC disclosures include quarterly reports, 8-K filings for material agreements, property acquisition matters, changes in certifying accountant, at-the-market issuance agreement termination, investor presentation furnishing, governance matters, shareholder voting matters, capital structure matters, and operating and financial results. These filings are especially relevant because Quantum Cyber’s public profile has changed from its former Mainz Biomed N.V. identity toward autonomous defense technology, drone manufacturing, and licensed quantum antenna systems.
Stock Performance
Quantum Cyber N.V. (QUCY) closed at $1.37 on September 25, 2026. Over the past month, the price has gained 0.7%.
QUCY Metrics & Rankings
Price returns through September 25, 2026. Month-to-date and YTD include the first trading day. Ranking links may use different dates.
Latest News
Quantum Cyber N.V. has 10 recent news articles, with the latest published 2 days ago. Of the recent coverage, 6 articles coincided with positive price movement and 4 with negative movement. Key topics include acquisition, AI. View all QUCY news →
SEC Filings
Quantum Cyber N.V. has filed 10 recent SEC filings, including 3 Form 4/A, 2 Form 4, 1 Form 8-K/A, 1 Form 8-K. The most recent filing was submitted on September 25, 2026. SEC filings provide transparency into a company's financial condition, material events, and regulatory compliance. View all QUCY SEC filings →
Financial Highlights
Quantum Cyber N.V. generated $537K in revenue in FY2025, retaining a 72.6% gross margin, operating income reached -$16.1M (-3005.0% operating margin), and net income was -$16.2M, reflecting a -3018.3% net profit margin. Diluted earnings per share stood at -$2.70. The company generated -$11.0M in operating cash flow. With a current ratio of 0.90, short-term liquidity bears monitoring.
Upcoming Events
Short Interest History
Short interest in Quantum Cyber N.V. (QUCY) currently stands at 2.2 million shares, down 13.8% from the previous reporting period, representing 9.1% of the float. Since March 2026, short interest has increased by 374.7%.
Days to Cover History
Days to cover for Quantum Cyber N.V. (QUCY) currently stands at 3.0 days, up 8% from the previous period. This days-to-cover ratio represents a balanced liquidity scenario for short positions. The days to cover has increased 197% over the past year, indicating either rising short interest or declining trading volume. The ratio has shown significant volatility over the period, ranging from 1.0 to 4.4 days.
QUCY Company Profile & Sector Positioning
Quantum Cyber N.V. (QUCY) operates in the Diagnostics & Research industry within the broader Healthcare sector and is listed on the NASDAQ.