Biogen (BIIB) Operating Cash Flow History
| Quarter End | Operating Cash Flow $ 000,000's | 
|---|---|
| 2025-Jun-30 | 161 | 
| 2025-Mar-31 | 259 | 
| 2024-Dec-31 | 761 | 
| 2024-Sep-30 | 936 | 
| 2024-Jun-30 | 626 | 
| 2024-Mar-31 | 553 | 
| 2023-Dec-31 | 12 | 
| 2023-Sep-30 | 592 | 
| 2023-Jun-30 | 487 | 
| 2023-Mar-31 | 455 | 
| 2022-Dec-31 | -175 | 
| 2022-Sep-30 | 661 | 
| 2022-Jun-30 | 736 | 
| 2022-Mar-31 | 162 | 
| 2021-Dec-31 | 838 | 
        Full historical financial data for Biogen for 1985  - 2025 is included in the
        US Historical Financials dataset.