Systems Design

3766.TInformation & Communication
Filed as SYSTEMS DESIGN CO., Ltd. (2022-06–2026-06), SYSTEMS DESIGN Co., Ltd. (2022-08–2025-11)
Major holders (5%+) · 3
HolderStakeChangeFiled
UH Partners 2, Inc.7.33%0.00pp2026-09-28
Hikari Tsushin K.K.7.31%0.00pp2026-09-28
SBI SECURITIES Co., Ltd.7.07%+1.39pp2025-08-22

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

Former and minor holders (below 5%) · 3
UH Partners 3, Inc.2.27%2026-09-28
EPARK , INC.1.06%2026-09-28
UH5 Inc.0.37%2026-09-28
Ownership history · 33
FiledHolderRatioChangePurpose
2026-09-28AmendedUH5 Inc.2026-09-28 · amended0.37%no changePure investment
2026-09-28AmendedEPARK , INC.2026-09-28 · amended1.06%no changePure investment
2026-09-28AmendedUH Partners 3, Inc.2026-09-28 · amended2.27%+0.38ppPure investment
2026-09-28AmendedHikari Tsushin K.K.2026-09-28 · amended7.31%no changePure investment
2026-09-28AmendedUH Partners 2, Inc.2026-09-28 · amended7.33%no changePure investment
2026-08-27AmendedUH5 Inc.2026-08-27 · amended0.37%no changePure investment
2026-08-27AmendedEPARK , INC.2026-08-27 · amended1.06%+0.16ppPure investment
2026-08-27AmendedUH Partners 3, Inc.2026-08-27 · amended1.89%+0.85ppPure investment
2026-08-27AmendedHikari Tsushin K.K.2026-08-27 · amended7.31%no changePure investment
2026-08-27AmendedUH Partners 2, Inc.2026-08-27 · amended7.33%no changePure investment
2026-05-18AmendedUH5 Inc.2026-05-18 · amended0.37%no changePure investment
2026-05-18AmendedEPARK , INC.2026-05-18 · amended0.90%newPure investment
2026-05-18AmendedUH Partners 3, Inc.2026-05-18 · amended1.04%+0.12ppPure investment
2026-05-18AmendedHikari Tsushin K.K.2026-05-18 · amended7.31%no changePure investment
2026-05-18AmendedUH Partners 2, Inc.2026-05-18 · amended7.33%no changePure investment
2025-12-23AmendedUH5 Inc.2025-12-23 · amended0.37%+0.20ppPure investment
2025-12-23AmendedUH Partners 3, Inc.2025-12-23 · amended0.92%+0.80ppPure investment
2025-12-23AmendedHikari Tsushin K.K.2025-12-23 · amended7.31%no changePure investment
2025-12-23AmendedUH Partners 2, Inc.2025-12-23 · amended7.33%no changePure investment
2025-09-26AmendedUH Partners 3, Inc.2025-09-26 · amended0.12%newPure investment

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