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Osaka Steel

5449.TIron & Steel
Filed as OSAKA STEEL CO., LTD. (2022-06–2026-06)
Major holders (5%+) · 3
HolderStakeChangeFiled
NIPPON STEEL CORPORATION39.33%-21.29pp2025-04-16
Strategic Capital, Inc.12.37%+0.08pp2026-02-06
Effissimo Capital Management Pte. Ltd.6.19%—2026-02-26

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

Former and minor holders (below 5%) · 2
NIPPON STEEL LOGISTICS CO., LTD.0.13%2025-04-16
NIPPON STEEL TEXENG. CO., LTD.0.11%2025-04-16
Tender offers · 1
FiledOfferorPricePeriod endsStatusFilings
2025-02-17Company buyback (self-tender)¥2,4502025-03-17Result filed2

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

Ownership history · 20
FiledHolderRatioChangePurpose
2026-02-26Effissimo Capital Management Pte. Ltd.2026-02-266.19%newMaterial proposals to management (activist)
2026-02-06Strategic Capital, Inc.2026-02-0612.37%+0.08ppMaterial proposals to management (activist); Pure investment
2025-07-09Same-day filingStrategic Capital, Inc.2025-07-0912.29%no changeMaterial proposals to management (activist); Pure investment
2025-07-09Same-day filingStrategic Capital, Inc.2025-07-0912.29%no changeMaterial proposals to management (activist); Pure investment
2025-05-09Same-day filingStrategic Capital, Inc.2025-05-0912.29%no changeMaterial proposals to management (activist); Pure investment
2025-05-09Same-day filingStrategic Capital, Inc.2025-05-0912.29%+0.69ppMaterial proposals to management (activist); Pure investment
2025-04-16NIPPON STEEL TEXENG. CO., LTD.2025-04-160.11%no changeStrategic holding (cross-shareholding)
2025-04-16NIPPON STEEL LOGISTICS CO., LTD.2025-04-160.13%no changeStrategic holding (cross-shareholding)
2025-04-16NIPPON STEEL CORPORATION2025-04-1639.33%-21.29ppStrategic holding (cross-shareholding)
2025-03-24NIPPON STEEL TEXENG. CO., LTD.2025-03-240.11%newStrategic holding (cross-shareholding)
2025-03-24NIPPON STEEL LOGISTICS CO., LTD.2025-03-240.13%newStrategic holding (cross-shareholding)
2025-03-24NIPPON STEEL CORPORATION2025-03-2460.62%newStrategic holding (cross-shareholding)
2025-03-05Strategic Capital, Inc.2025-03-0511.60%+1.01ppMaterial proposals to management (activist); Pure investment
2025-02-10Strategic Capital, Inc.2025-02-1010.59%+1.10ppMaterial proposals to management (activist); Pure investment
2024-10-17Strategic Capital, Inc.2024-10-179.49%+1.01ppMaterial proposals to management (activist); Pure investment
2024-08-28Strategic Capital, Inc.2024-08-288.48%+1.05ppMaterial proposals to management (activist); Pure investment
2024-08-06Strategic Capital, Inc.2024-08-067.43%+1.09ppMaterial proposals to management (activist); Pure investment
2024-07-08Strategic Capital, Inc.2024-07-086.34%+0.18ppMaterial proposals to management (activist); Pure investment
2024-04-11Strategic Capital, Inc.2024-04-116.16%+0.13ppMaterial proposals to management (activist); Pure investment
2024-04-08Strategic Capital, Inc.2024-04-086.03%newMaterial proposals to management (activist); Pure investment

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