Hpc Systems

6597.TTSE GROWTHInformation & Communication
Major holders (5%+) · 3
HolderStakeChangeFiled
RYOYO ELECTRO CORPORATION6.98%—2025-11-21
NARASAKI SANGYO CO., LTD.6.39%—2025-11-25
Resona Bank, Limited.5.94%—2026-03-06

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

Former and minor holders (below 5%) · 2
Asset Management One Co., Ltd.3.03%2025-02-07
Mizuho Securities Co., Ltd.0.03%2024-09-06
Ownership history · 8
FiledHolderRatioChangePurpose
2026-03-06Resona Bank, Limited.2026-03-065.94%new—
2025-11-25NARASAKI SANGYO CO., LTD.2025-11-256.39%newStrategic holding (cross-shareholding)
2025-11-21RYOYO ELECTRO CORPORATION2025-11-216.98%new—
2025-02-07AmendedAsset Management One Co., Ltd.2025-02-07 · amended3.03%-2.30ppHeld for clients (discretionary / trust)
2024-09-06AmendedMizuho Securities Co., Ltd.2024-09-06 · amended0.03%-0.96ppSecurities trading business
2024-09-06AmendedAsset Management One Co., Ltd.2024-09-06 · amended5.33%-0.04ppHeld for clients (discretionary / trust)
2024-07-22AmendedMizuho Securities Co., Ltd.2024-07-22 · amended0.99%newSecurities trading business
2024-07-22AmendedAsset Management One Co., Ltd.2024-07-22 · amended5.37%newHeld for clients (discretionary / trust)

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