Horizon Quantum Holdings Ltd. (HQ) Stock Price, News & Analysis
What Changed
Price Move History
- Daily moves over 5%
- 67 139 sessions, March 20, 2026 to October 7, 2026
- Largest daily move
- +63.3% close of June 15, 2026
- 1-month change
- +3.8% closing prices, September 4, 2026 to October 7, 2026
Company Description
Horizon Quantum Holdings Ltd. develops software infrastructure for quantum computing applications and trades on Nasdaq under the symbol HQ. The company focuses on bridging quantum hardware and practical software development by providing tools that allow developers, researchers, enterprises, and hardware providers to build quantum programs without being tied to a single hardware architecture. Horizon Quantum is headquartered in Singapore and was founded in 2018.
The company's core product platform is Triple Alpha, an integrated development environment for quantum software. Triple Alpha is designed to let developers write sophisticated, hardware-agnostic quantum programs at different levels of abstraction. The platform addresses the complexity of the quantum stack by giving software users access to programming layers that can range from higher-level application development to more precise control over quantum execution.
Horizon Quantum's operating model centers on quantum software infrastructure rather than a single quantum hardware modality. The company develops tools intended to connect conventional computing workflows with quantum computing resources, including software that can accelerate code written for classical computers on quantum computers. This positioning places the company between hardware providers, developers, researchers, and commercial enterprises seeking to use quantum systems for computational problems.
Horizon Quantum conducts operating activities through Horizon Quantum Computing Pte. Ltd., its wholly owned subsidiary. Company disclosures describe hardware-software collaboration as part of its development approach, including integration work involving trapped-ion quantum processors and cloud-based access to quantum hardware. These collaborations support the company's broader goal of building a hardware-agnostic software environment for quantum application development.
As a public foreign private issuer, Horizon Quantum reports corporate events, governance changes, operating and financial results, material agreements, shareholder voting matters, and capital-structure disclosures through public filings. Its public-company record reflects both its quantum software business and the security-structure matters associated with its listing history.
Stock Performance
Horizon Quantum Holdings Ltd. (HQ) closed at $16.15 on October 7, 2026. Over the past month, the price has gained 3.8%.
HQ Metrics & Rankings
Price returns through October 7, 2026. Month-to-date and YTD include the first trading day. Ranking links may use different dates.
Latest News
Horizon Quantum Holdings Ltd. has 10 recent news articles. Of the recent coverage, 5 articles coincided with positive price movement and 5 with negative movement. Key topics include conferences, earnings, partnership, earnings date. View all HQ news →
SEC Filings
Horizon Quantum Holdings Ltd. has filed 10 recent SEC filings, including 5 Form 4, 3 Form 6-K, 1 Form 3, 1 Form SCHEDULE 13G/A. The most recent filing was submitted on September 16, 2026. SEC filings provide transparency into a company's financial condition, material events, and regulatory compliance. View all HQ SEC filings →
Financial Highlights
Upcoming Events
18-Month Lock-up Expiry
24-Month Lock-up Expiry
Horizon Quantum Holdings Ltd. has 2 upcoming scheduled events. The next event, "18-Month Lock-up Expiry", is scheduled for September 19, 2027 (in 345 days). Investors can track these dates to stay informed about potential catalysts that may affect the HQ stock price.
Short Interest History
Short interest in Horizon Quantum Holdings Ltd. (HQ) currently stands at 1.5 million shares, up 35.1% from the previous reporting period, representing 8.8% of the float. Since March 2026, short interest has increased by 1158.0%.
Days to Cover History
Days to cover for Horizon Quantum Holdings Ltd. (HQ) currently stands at 2.6 days, down 27.5% from the previous period. The ratio is the reported short interest divided by the average daily trading volume. Across the settlements charted above, it has ranged from 1.0 to 4.4 days.
HQ Company Profile & Sector Positioning
Horizon Quantum Holdings Ltd. (HQ) operates in the Software - Infrastructure industry within the broader Technology sector and is listed on the NASDAQ.