Exhibit 21.1
SUBSIDIARIES
| 
 | 
 | 
 | 
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| Name | 
 | Jurisdiction | 
 | 
| Alkermes Ireland Holdings Limited | 
 | Ireland | 
 | 
| Alkermes Pharma Ireland Limited | 
 | Ireland | 
 | 
| Daravita Pharma Ireland Limited | 
 | Ireland | 
 | 
| Alkermes Finance Ireland (No 3) Limited | 
 | Ireland | 
 | 
| Alkermes Science Four Limited | 
 | Ireland | 
 | 
| Alkermes Science Five Limited | 
 | Ireland | 
 | 
| Alkermes US Holdings, Inc. | 
 | Delaware | 
 | 
| Alkermes, Inc. | 
 | Pennsylvania | 
 | 
| Alkermes Controlled Therapeutics, Inc. | 
 | Pennsylvania | 
 | 
| Rodin Therapeutics, Inc. | 
 | Delaware | 
 |