Major Shareholders
| Concept | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|
| Major shareholders | |||||||||||
| Major shareholders | |||||||||||
| Name | 
                                                株式会社日本カストディ銀行(信託口)
                                                
                                             | 
                                                株式会社三菱UFJ銀行
                                                
                                             | 
                                                日亜鋼業取引先持株会
                                                
                                             | 
                                                BBH FOR BBHTSIL NOMURA FUNDS IRELAND - JAPAN SMALL CAP EQUITY FUND(常任代理人 株式会社三菱UFJ銀行決済事業部)
                                                
                                             | 
                                                株式会社池田泉州銀行
                                                
                                             | 
                                                株式会社みなと銀行
                                                
                                             | 
                                                日亜興産株式会社
                                                
                                             | — | 
                                                日本製鉄株式会社
                                                
                                             | 
                                                日亜鋼業従業員持株会
                                                
                                             | 
                                                BBH BOSTON FOR NOMURA JAPAN SMALLER CAPITALIZATION FUND 620065(常任代理人 株式会社みずほ銀行決済営業部)
                                                
                                             | 
| Address | 
                                                東京都中央区晴海1-8-12
                                                
                                             | 
                                                東京都千代田区丸の内1-4-5
                                                
                                             | 
                                                兵庫県尼崎市中浜町19
                                                
                                             | 
                                                33 SIR JOHN ROGERSON'S QUAY DUBLIN IRELAND DO2 XK09(東京都千代田区丸の内1-4-5)
                                                
                                             | 
                                                大阪市北区茶屋町18-14
                                                
                                             | 
                                                兵庫県神戸市中央区三宮町2-1-1
                                                
                                             | 
                                                大阪市中央区東心斎橋2-1-3
                                                
                                             | — | 
                                                東京都千代田区丸の内2-6-1
                                                
                                             | 
                                                兵庫県尼崎市中浜町19
                                                
                                             | 
                                                180 MAIDEN LANE, NEW YORK, NEW YORK 10038 U.S.A.(東京都港区港南2-15-1)
                                                
                                             | 
| Number of shares held | 
                                                2,092,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                1,845,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                3,157,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                1,102,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                2,040,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                1,008,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                3,575,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                29,001,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                11,674,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                1,350,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                1,153,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
| Shareholding ratio (excluding treasury shares) | 
                                                0.0445
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.0392
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.0671
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.0234
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.0434
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.0214
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.0760
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.6166
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.2482
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.0287
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.0245
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             |