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 | 
                                                INTERACTIVE BROKERS LLC
(常任代理人 インタラクティブ・ブローカーズ証券株式会社)
                                                
                                             | 
                                                瀬崎 五葉
                                                
                                             | 
                                                有限会社Lam’s
                                                
                                             | 
                                                林 直樹
                                                
                                             | 
                                                林 勝哉
                                                
                                             | 
                                                林 達哉
                                                
                                             | 
                                                有限会社G&L
                                                
                                             | — | 
                                                林 雅晴
                                                
                                             | 
                                                林 宏子
                                                
                                             | 
                                                林 充孝
                                                
                                             | 
| Address | 
                                                ONE PICKWICK PLAZA GREENWICH,
CONNECTICUT 06830 USA
(東京都千代田区霞が関3丁目2番5号)
                                                
                                             | 
                                                東京都渋谷区
                                                
                                             | 
                                                兵庫県西宮市高座町13番6号
                                                
                                             | 
                                                神戸市東灘区
                                                
                                             | 
                                                兵庫県芦屋市
                                                
                                             | 
                                                兵庫県西宮市
                                                
                                             | 
                                                兵庫県西宮市鷲林寺南町6番6号
                                                
                                             | — | 
                                                兵庫県西宮市
                                                
                                             | 
                                                兵庫県西宮市
                                                
                                             | 
                                                東京都世田谷区
                                                
                                             | 
| Number of shares held | 
                                                906,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                834,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                956,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                458,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                843,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                291,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                1,272,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                8,477,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                1,508,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                737,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                668,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
| Shareholding ratio (excluding treasury shares) | 
                                                0.0580
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.0535
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.0612
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.0294
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.0540
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.0186
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.0815
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.5430
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.0967
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.0473
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.0428
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             |