Arent

5254.TInformation & Communication
Major holders (5%+) · 4
HolderStakeChangeFiled
Hiroki Kamobayashi34.24%-1.01pp2025-12-16
Hikari Tsushin K.K.12.36%+1.02pp2026-08-21
Umebayashi Masanao7.03%+3.57pp2025-12-26
Sakai Fumitaka5.80%—2024-06-26

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

Former and minor holders (below 5%) · 7
SBI Investment Co., Ltd.4.54%2026-09-16
Atsushi Maruyama4.43%2024-10-29
Takashi Nakagawa4.20%2025-05-29
UH Partners 2, Inc.2.90%2026-03-04
SBI SECURITIES Co., Ltd.0.34%2026-09-16
Sakura Insurance Inc.0.23%2026-03-04
Rheos Capital Works Inc.0.00%2026-01-22
Ownership history · 66
FiledHolderRatioChangePurpose
2025-12-10AmendedSBI Investment Co., Ltd.2025-12-10 · amended5.88%no changePure investment
2025-12-08AmendedSBI SECURITIES Co., Ltd.2025-12-08 · amended0.56%+0.09ppSecurities trading business
2025-12-08AmendedSBI Investment Co., Ltd.2025-12-08 · amended5.88%-0.09ppPure investment
2025-12-08AmendedRheos Capital Works Inc.2025-12-08 · amended6.24%-0.28ppPure investment; Held for clients (discretionary / trust)
2025-12-05RHEOS CAPITAL WORKS Inc.2025-12-056.52%-1.25ppPure investment; Held for clients (discretionary / trust)
2025-10-20AmendedUmebayashi Masanao2025-10-20 · amended3.46%new—
2025-08-22RHEOS CAPITAL WORKS Inc.2025-08-227.77%-1.27ppPure investment; Held for clients (discretionary / trust)
2025-06-05Hiroki Kamobayashi2025-06-0535.79%newStable shareholder
2025-05-29Takashi Nakagawa2025-05-294.20%newStable shareholder
2025-05-21AmendedSBI SECURITIES Co., Ltd.2025-05-21 · amended0.47%-0.02ppSecurities trading business
2025-05-21AmendedSBI Investment Co., Ltd.2025-05-21 · amended5.97%-1.02ppPure investment
2024-12-20RHEOS CAPITAL WORKS Inc.2024-12-209.04%+1.28ppPure investment; Held for clients (discretionary / trust)
2024-10-29AmendedAtsushi Maruyama2024-10-29 · amended4.43%newStable shareholder
2024-10-01AmendedSBI SECURITIES Co., Ltd.2024-10-01 · amended0.49%-0.35ppSecurities trading business
2024-10-01AmendedSBI Investment Co., Ltd.2024-10-01 · amended6.99%-0.67ppPure investment
2024-08-21AmendedSBI SECURITIES Co., Ltd.2024-08-21 · amended0.84%-0.12ppSecurities trading business
2024-08-21AmendedSBI Investment Co., Ltd.2024-08-21 · amended7.66%no changePure investment
2024-06-26Sakai Fumitaka2024-06-265.80%newStable shareholder
2024-06-07RHEOS CAPITAL WORKS Inc.2024-06-077.76%+1.37ppPure investment; Held for clients (discretionary / trust)
2024-04-16AmendedSBI SECURITIES Co., Ltd.2024-04-16 · amended0.96%+0.02ppSecurities trading business

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