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Quantum Solutions

2338.TTSE STANDARDInformation & Communication
Major holders (5%+) · 6
HolderStakeChangeFiled
Heights Capital Management, Inc.38.82%+5.97pp2026-08-31
Ting Yan Chun Limited28.79%-1.16pp2025-05-30
Blackwell Cloud Co., Limited21.34%0.00pp2026-08-31
Integrated Asset Management (Asia) Limited13.17%—2025-11-26
First Link Inc Limited10.53%-1.06pp2024-07-26
SHARP EDGE VENTURES LIMITED7.22%-1.20pp2025-03-31

Each holder's own ratio from its most recent large-shareholding report.

Former and minor holders (below 5%) · 3
APEC (CHINA) DEVELOPMENT LIMITED4.13%2025-05-30
Hony Link Co-Investment, L.P.0.00%2024-02-26
Ting Yan Chun0.00%2024-02-07
Ownership history · 34
FiledHolderRatioChangePurpose
2026-08-31AmendedBlackwell Cloud Co., Limited2026-08-31 · amended21.34%no changeMaterial proposals to management (activist); Pure investment
2026-08-31AmendedBlackwell Cloud Co., Limited2026-08-31 · amended21.34%newPure investment
2025-12-11AmendedHeights Capital Management, Inc.2025-12-11 · amended38.82%+5.97ppPure investment; Held for clients (discretionary / trust)
2025-12-11AmendedHeights Capital Management, Inc.2025-12-11 · amended32.85%-1.33ppPure investment; Held for clients (discretionary / trust)
2025-12-11AmendedHeights Capital Management, Inc.2025-12-11 · amended34.18%-1.12ppPure investment; Held for clients (discretionary / trust)
2025-12-11AmendedHeights Capital Management, Inc.2025-12-11 · amended35.30%-3.37ppPure investment; Held for clients (discretionary / trust)
2025-11-26Integrated Asset Management (Asia) Limited2025-11-2613.17%newPure investment
2025-10-21AmendedHeights Capital Management, Inc.2025-10-21 · amended38.67%newPure investment; Held for clients (discretionary / trust)
2025-05-30AmendedAPEC (CHINA) DEVELOPMENT LIMITED2025-05-30 · amended4.13%-0.04ppPure investment
2025-05-30AmendedTing Yan Chun Limited2025-05-30 · amended28.79%-1.16ppPure investment
2025-04-07AmendedAPEC (CHINA) DEVELOPMENT LIMITED2025-04-07 · amended4.17%-0.02ppPure investment
2025-04-07AmendedTing Yan Chun Limited2025-04-07 · amended29.95%-1.13ppPure investment
2025-03-31Same-day filingSHARP EDGE VENTURES LIMITED2025-03-317.22%-1.20ppPure investment
2025-03-31Same-day filingSHARP EDGE VENTURES LIMITED2025-03-318.42%newPure investment
2025-02-07AmendedAPEC (CHINA) DEVELOPMENT LIMITED2025-02-07 · amended4.19%-0.24ppPure investment
2025-02-07AmendedTing Yan Chun Limited2025-02-07 · amended31.08%no changePure investment
2024-09-30AmendedAPEC (CHINA) DEVELOPMENT LIMITED2024-09-30 · amended4.43%-2.32ppPure investment
2024-09-30AmendedTing Yan Chun Limited2024-09-30 · amended31.08%no changePure investment
2024-07-26AmendedAPEC (CHINA) DEVELOPMENT LIMITED2024-07-26 · amended6.75%-0.52ppPure investment
2024-07-26AmendedTing Yan Chun Limited2024-07-26 · amended31.08%-0.02ppPure investment

Each holder in 5% reports, joint holders included. Purpose is classified from the filed text.