Otec

1736.TTSE STANDARDConstruction
Major holders (5%+) · 5
HolderStakeChangeFiled
nippon pipe fitting corp18.35%0.00pp2025-10-03
Nippon Kokan Pipe Fitting Mfg. Co. Ltd.18.35%0.00pp2025-10-03
Hikari Tsushin K.K.7.00%0.00pp2026-09-15
UH Partners 2, Inc.6.85%0.00pp2026-09-15
Ogawa Yoshitaka5.06%—2025-07-22

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

Former and minor holders (below 5%) · 2
UH Partners 3, Inc.3.43%2026-09-15
SIL, Inc.0.82%2026-09-15
Ownership history · 13
FiledHolderRatioChangePurpose
2026-09-15AmendedSIL, Inc.2026-09-15 · amended0.82%no changePure investment
2026-09-15AmendedUH Partners 3, Inc.2026-09-15 · amended3.43%no changePure investment
2026-09-15AmendedUH Partners 2, Inc.2026-09-15 · amended6.85%no changePure investment
2026-09-15AmendedHikari Tsushin K.K.2026-09-15 · amended7.00%no changePure investment
2025-10-03Same-day filingnippon pipe fitting corp2025-10-0318.35%no changeBusiness / capital relationship
2025-10-03Same-day filingNippon Pipe Fitting Corp.2025-10-0318.35%newBusiness / capital relationship
2025-10-03Nippon Kokan Pipe Fitting Mfg. Co. Ltd.2025-10-0318.35%no changeBusiness / capital relationship
2025-10-01Nippon Kokan Pipe Fitting Mfg. Co. Ltd.2025-10-0118.35%newBusiness / capital relationship
2025-09-26AmendedSIL, Inc.2025-09-26 · amended0.82%newPure investment
2025-09-26AmendedUH Partners 3, Inc.2025-09-26 · amended3.43%newPure investment
2025-09-26AmendedUH Partners 2, Inc.2025-09-26 · amended6.85%newPure investment
2025-09-26AmendedHikari Tsushin K.K.2025-09-26 · amended7.00%newPure investment
2025-07-22Ogawa Yoshitaka2025-07-225.06%newBusiness / capital relationship

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