Okasan Securities Group

8609.TSecurities & Commodity Futures
Major holders (5%+) · 0
HolderStakeChangeFiled

No holder currently reports 5% or more.

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

Former and minor holders (below 5%) · 12
Mizuho Bank, Ltd.4.26%2026-08-07
Sumitomo Mitsui Trust Bank, Limited3.83%2025-09-19
-3.79%2024-07-29
TOUSEI2.53%2025-05-26
SANTOU2.46%2025-05-26
-2.10%2024-07-29
Sumitomo Mitsui Trust Asset Management Co., Ltd.1.62%2025-09-19
Asset Management One Co., Ltd.1.23%2026-08-07
Amova Asset Management Co., Ltd.1.03%2025-09-19
TETSUO KATOU0.50%2025-05-26
-0.46%2024-07-29
-0.07%2024-07-29
Ownership history · 12
FiledHolderRatioChangePurpose
2026-08-07Asset Management One Co., Ltd.2026-08-071.23%newHeld for clients (discretionary / trust)
2026-08-07Mizuho Bank, Ltd.2026-08-074.26%newBusiness / capital relationship
2025-09-19AmendedAmova Asset Management Co., Ltd.2025-09-19 · amended1.03%newHeld for clients (discretionary / trust)
2025-09-19AmendedSumitomo Mitsui Trust Asset Management Co., Ltd.2025-09-19 · amended1.62%newHeld for clients (discretionary / trust); Asset management / investment
2025-09-19AmendedSumitomo Mitsui Trust Bank, Limited2025-09-19 · amended3.83%newStrategic holding (cross-shareholding)
2025-05-26AmendedTETSUO KATOU2025-05-26 · amended0.50%newStable shareholder
2025-05-26AmendedSANTOU2025-05-26 · amended2.46%newStable shareholder
2025-05-26AmendedTOUSEI2025-05-26 · amended2.53%newStable shareholder
2024-07-29-2024-07-290.07%newSecurities trading business
2024-07-29-2024-07-290.46%newPure investment
2024-07-29-2024-07-292.10%newStrategic holding (cross-shareholding)
2024-07-29-2024-07-293.79%newPure investment; Strategic holding (cross-shareholding)

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