Ai Xu
This page summarises the Hong Kong Securities and Futures Commission (SFC) public register record for Ai Xu, a licensed Responsible Officer with CE reference BTT612. Currently licensed at 1 firm(s): Pythagoras HK Management Company Limited. Active regulated activities: Type 9 - Asset management. This person has 1.6 years of SFC licence history. Total licence records on file: 5.
Information
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- Email:
Licence history
| Firm | Role | Regulated activity | From | To |
|---|---|---|---|---|
| Pythagoras HK Management Company Limited | RO | Type 9 - Asset management | 2025-12-02 | present |
| Pythagoras HK Management Company Limited | Rep | Type 9 - Asset management | 2025-11-14 | 2025-12-02 |
| Hash Blockchain Limited | Rep | Type 101 - Operating a virtual asset trading platform | 2024-05-31 | 2024-05-31 |
| Hash Blockchain Limited | Rep | Type 7 - Providing automated trading services | 2023-12-21 | 2024-05-31 |
| Hash Blockchain Limited | Rep | Type 1 - Dealing in securities | 2023-06-14 | 2024-05-31 |
Worked alongside
The 20 closest colleagues, strongest tie first — individuals licensed at the same firm as Ai Xu during overlapping periods. Ranked by how long they overlapped and how similar their regulated activities were, with shared time at a smaller firm weighted more than at a large one. See the detailed formula.
| Name | Shared firm | Overlap |
|---|---|---|
| Yusen Chau | Pythagoras HK Management Company Limited | 2025–present |
| Mitchell Laing Dong | Pythagoras HK Management Company Limited | 2025–present |
| Myoung Kim | Hash Blockchain Limited | 2023–2024 |
| Haiyang Ru | Hash Blockchain Limited | 2023–2024 |
| Luyao Huang | Hash Blockchain Limited | 2023–2024 |
| Xiaoqi Weng | Hash Blockchain Limited | 2023–2024 |
| Junyue Liu | Hash Blockchain Limited | 2023–2024 |
| Heddy Tsang | Hash Blockchain Limited | 2023–2024 |
| Weijian Zhang | Hash Blockchain Limited | 2023–2024 |
| Charmaine Cheuk Yiu Tam | Hash Blockchain Limited | 2023–2024 |
| Ping Sang Kwok | Hash Blockchain Limited | 2023–2024 |
| Guanjiong Zheng | Hash Blockchain Limited | 2023–2024 |
| Tan Feng Cheng | Hash Blockchain Limited | 2023 |
| Zhi-Ming Zhong | Hash Blockchain Limited | 2023 |
| Hoi Kam Lee | Hash Blockchain Limited | 2024 |
| Dayong Zhang | Hash Blockchain Limited | 2024 |
| Tik Yee Kong | Hash Blockchain Limited | 2023 |
| David Ming Chun Hui | Hash Blockchain Limited | 2023 |
| Zhang Zhou | Hash Blockchain Limited | 2023 |
| Joey Ching Yee Poon | Hash Blockchain Limited | 2023 |