Open Door

3926.TInformation & Communication
Major holders (5%+) · 3
HolderStakeChangeFiled
Daisuke Sekine51.15%—2025-08-06
Kufu Company Holdings Inc.10.36%+1.01pp2026-09-25
The Path Investment Corporation5.57%—2025-08-06

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

Ownership history · 7
FiledHolderRatioChangePurpose
2026-09-25Kufu Company Holdings Inc.2026-09-2510.36%+1.01ppPure investment
2026-08-13Kufu Company Holdings Inc.2026-08-139.35%+1.02ppPure investment
2026-04-22AmendedKufu Company Holdings Inc.2026-04-22 · amended8.33%+2.11ppPure investment
2026-02-24Kufu Company Holdings Inc.2026-02-246.22%+1.20ppPure investment
2025-10-14Kufu Company Holdings Inc.2025-10-145.02%newPure investment
2025-08-06The Path Investment Corporation2025-08-065.57%newStable shareholder; Long-term holding
2025-08-06Daisuke Sekine2025-08-0651.15%newStable shareholder; Long-term holding

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