Horizon Quantum Holdings Ltd.
Close on Oct 19, 2026
About Horizon Quantum
Services-Computer Programming Services, SIC 7371
Horizon Quantum Holdings Ltd. is a quantum computing technology company that develops quantum software development tools. The enterprise focuses on creating software infrastructure and tools designed to facilitate the commercial viability, adoption, and scaling of quantum computing applications. Its target customers and potential client base span enterprises and organizations across target industries seeking to utilize quantum computing capabilities as quantum hardware systems become more powerful, scalable, and commercially accessible.
The company operates modular quantum hardware testbed and cloud computing infrastructure to support its continuing research, development, and commercialization activities. Horizon Quantum Holdings Ltd. maintains its principal executive offices and corporate headquarters in Singapore, where its predecessor operating entity was originally established.
Summary of the business section of Horizon Quantum's latest annual report, written by StockData.
Company profile
Company
- Legal name
- Horizon Quantum Holdings Ltd.
- Founded
- 2018
- Headquarters
- Singapore, Singapore
- Address
- Alice@Mediaopolis, 29 Media Circle #05-22 138565
- Phone
- (658) 101-5024
- Website
- horizonquantum.com
- Employees
- 4, Mar 19, 2026
- Industry
- Services-Computer Programming Services
- Incorporated in
- U0
- Fiscal year ends
- December 31
- Auditor
- PKF Littlejohn LLP, London, England
Stock & identifiers
- Ticker
- HQ
- Other tickers
- HQWWW
- Exchange
- Nasdaq
- IPO date
- Mar 20, 2026
- Shares outstanding
- 0M, Dec 31, 2025
- Filer category
- <br>Emerging growth company
- SEC CIK
- 2088256
- EIN
- 00-0000000
Executives and directors
Officers and directors who filed ownership reports (Forms 3, 4, 5) in the last two years
| Name | Position | Shares owned |
|---|---|---|
| Joseph Francis Fitzsimons | Chief Executive Officer, Director | 19,755,468 |
| Qian Yi Amanda Chew | Chief Product Officer | – |
| Catherine Michele Fitzsimons | CL and CO | 1,026 |
| Si-Hui Tan | Chief Science Officer | 6,337 |
| Greg Gould | Chief Financial Officer | 2,165 |
| Jill Ann Turner | Director | – |
| Danielle Lambert | Director | 84,602 |
| Harry L. You | Director | 1,212,698 |
| Peter Henry Oey | Director | – |
Employees
Headcount reported in annual reports
“Board currently consists of four individuals.”
Corporate history
Events identified from SEC filings
| Date | Event | Details |
|---|---|---|
| Mar 19, 2026 | Listing | Registration of securities on an exchange (Form 8-A) |
| Mar 9, 2026 | Name change | Name changed from Horizon Quantum Holdings Pte. Ltd. to Horizon Quantum Holdings Ltd. |
| Jan 14, 2026 | Merger | Registration of securities for a merger or exchange offer (S-4) |
| Dec 9, 2025 | Name change | Name changed from Rose Holdco Pte. Ltd. to Horizon Quantum Holdings Pte. Ltd. |