Recent Annual Filings for BIIB
| Fiscal Year | Assets | Revenues | Costs & Expenses | Comprehensive Income | Cash Flow - Operating | Cash Flow - Financing | Total Net Cash Flow |
|---|---|---|---|---|---|---|---|
| 2023 | $26,844,800,000 | $9,835,600,000 | $8,538,800,000 | $1,172,700,000 | $1,547,200,000 | $149,300,000 | $-2,369,400,000 |
| 2022 | $24,554,100,000 | $10,173,400,000 | $6,581,600,000 | $2,903,400,000 | $1,384,300,000 | $-1,747,300,000 | $1,157,900,000 |
| 2021 | $23,877,300,000 | $10,981,700,000 | $8,141,000,000 | $1,920,500,000 | $3,639,900,000 | $-2,086,200,000 | $930,200,000 |
| 2020 | $24,618,900,000 | $13,444,600,000 | $8,894,500,000 | $3,897,700,000 | $4,229,800,000 | $-5,272,700,000 | $-1,582,500,000 |
| 2019 | $27,234,300,000 | $14,377,900,000 | $7,335,300,000 | $5,993,300,000 | $7,078,600,000 | $-5,860,400,000 | $1,688,700,000 |
| 2018 | $25,288,900,000 | $13,452,900,000 | $7,564,300,000 | $4,550,100,000 | $6,187,700,000 | $-4,472,000,000 | $-330,600,000 |
| 2017 | $23,652,600,000 | $12,273,900,000 | $6,929,700,000 | $2,671,600,000 | $4,551,000,000 | $-2,380,000,000 | $-792,100,000 |
| 2016 | $22,876,800,000 | $11,448,800,000 | $6,298,400,000 | $3,599,800,000 | $4,522,400,000 | $-987,800,000 | $1,049,800,000 |