None of the 29 investors followed here reported a position in HQ in their latest filing.
From each investor's quarterly 13F filing with the SEC: positions at the quarter's end, reported up to 45 days later. All investors
No member of Congress has disclosed a HQ trade since 2025.
From House and Senate STOCK Act reports. Members disclose trades, not holdings, as value ranges up to 45 days later, so amounts are estimates and “last move” is a hint at who still holds it, not a position. All recent congress trades
| Date | Insider | Transaction | Shares | Value |
|---|---|---|---|---|
| Sep 10, 2026 | Fitzsimons JosephChief Executive Officer | — | 14.3K | — |
| Sep 10, 2026 | Tan Si-HuiOfficer | — | 5.7K | — |
| Sep 10, 2026 | Gould GregChief Financial Officer | — | 3.4K | — |
| Sep 10, 2026 | Fitzsimons Catherine MicheleOfficer | — | 2.1K | — |
| Aug 19, 2026 | Tan Si-HuiOfficer | Stock Award(Grant) at price 0.00 per share. | 3.6K | — |
| Mar 18, 2026 | You Harry LDirector and Beneficial Owner of more than 10% of a Class of Security | — | 1.16M | — |
| Mar 18, 2026 | Lambert DanielleDirector | Purchase at price 11.82 per share. | 84.6K | $1000.00K |
Buy / hold / sell counts
Horizon Quantum Holdings Ltd. develops programming tools and software that simplify and automate the process of developing applications for quantum computers. The company provides programming tools that enable developers to construct reusable quantum circuits from functions written in classical languages such as C and C++. Its offerings include code portability features for compiling and optimizing quantum programs to map to various quantum hardware, and a web-based integrated development environment called Triple Alpha for writing, compiling, and deploying quantum software at different abstraction levels. The tools automate the construction of quantum algorithms from classical code and support concurrent classical and quantum computation. The company serves software developers and professionals in technology industries, as well as users seeking to develop or optimize software for quantum hardware across various computational fields. Horizon Quantum Holdings Ltd. has a strategic collaboration with Q.M Technologies Ltd. to enhance efficiency of quantum systems. The company was founded in 2018 and is based in Singapore.