Koei Tecmo Holdings

3635.TInformation & Communication
Major holders (5%+) · 3
HolderStakeChangeFiled
Koyu Holdings Corporation51.52%-1.80pp2025-09-18
Ayar First Investment Company9.30%—2026-01-09
Kankyoukagaku Kabushikikaisya6.44%—2025-09-18

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

Former and minor holders (below 5%) · 14
Mizuho Securities Co., Ltd.1.03%2024-04-22
Asset Management One Co., Ltd.1.01%2024-04-22
Erikawa Mei0.60%2025-09-18
Erikawa Ai0.60%2025-09-18
Yasuharu Kakihara0.36%2025-09-18
Kabushikikaisya Seishinkan0.33%2025-09-18
Kabushikikaisya Seibunkan0.30%2025-09-18
Kensei Kakihara0.18%2025-09-18
Kabushikikaisya Seiyuusya0.09%2025-09-18
Takanori Kakihara0.02%2025-09-18
Erikawa Yoichi0.02%2025-09-18
Erikawa Keiko0.02%2025-09-18
Public Investment Fund0.00%2026-01-09
Mizuho International plc0.00%2024-04-22
Tender offers · 1
FiledOfferorPricePeriod endsStatusFilings
2021-12-08Company buyback (self-tender)——Result filed2

Grouped by EDINET filing links. Price and outcome as stated in filings.

Ownership history · 51
FiledHolderRatioChangePurpose
2024-04-05Erikawa Mei2024-04-050.60%newStable shareholder
2024-04-05Erikawa Ai2024-04-050.60%newStable shareholder
2024-04-05Koyu Holdings Corporation2024-04-0551.19%newStable shareholder
2024-03-07AmendedPublic Investment Fund2024-03-07 · amended8.97%+1.31ppPure investment
2024-02-08AmendedPublic Investment Fund2024-02-08 · amended7.66%newPure investment
2024-02-07AmendedMizuho International plc2024-02-07 · amended0.00%no changeSecurities trading business
2024-02-07AmendedAsset Management One Co., Ltd.2024-02-07 · amended0.90%-0.02ppHeld for clients (discretionary / trust)
2024-02-07AmendedMizuho Securities Co., Ltd.2024-02-07 · amended7.05%-0.03ppSecurities trading business
2024-01-22AmendedMizuho International plc2024-01-22 · amended0.00%newSecurities trading business
2024-01-22AmendedAsset Management One Co., Ltd.2024-01-22 · amended0.92%newHeld for clients (discretionary / trust)
2024-01-22AmendedMizuho Securities Co., Ltd.2024-01-22 · amended7.08%newSecurities trading business

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