Major Shareholders
| Concept | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|
| Major shareholders | |||||||||||
| Major shareholders | |||||||||||
| Name | 
                                                JSR株式会社
                                                
                                             | 
                                                野村信託銀行株式会社(信託口2052241)
                                                
                                             | 
                                                JPモルガン証券株式会社
                                                
                                             | — | 
                                                津田 謹誠
                                                
                                             | 
                                                NANO MRNA株式会社
                                                
                                             | 
                                                千寿製薬株式会社
                                                
                                             | 
                                                江平 文茂
                                                
                                             | 
                                                大友 宏一
                                                
                                             | 
                                                ノーリツ鋼機株式会社
                                                
                                             | 
                                                株式会社NINE
                                                
                                             | 
| Address | 
                                                東京都港区東新橋1-9-2
                                                
                                             | 
                                                東京都千代田区大手町2-2-2
                                                
                                             | 
                                                東京都千代田区丸の内2-7-3
                                                
                                             | — | 
                                                石川県金沢市
                                                
                                             | 
                                                東京都港区愛宕2-5-1
                                                
                                             | 
                                                大阪市中央区瓦町3-1-9
                                                
                                             | 
                                                東京都荒川区
                                                
                                             | 
                                                北海道江別市
                                                
                                             | 
                                                東京都港区麻布十番1-10-10
                                                
                                             | 
                                                東京都中央区日本橋兜町22-3
                                                
                                             | 
| Number of shares held | 
                                                686,814
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                721,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                388,500
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                14,877,596
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                436,800
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                1,000,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                555,200
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                332,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                615,450
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                9,471,832
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                670,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
| Shareholding ratio (excluding treasury shares) | 
                                                0.0176
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.0185
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.0099
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.3821
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.0112
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.0256
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.0142
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.0085
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.0158
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.2432
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.0172
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             |