BIIB
Biogen Inc.
227.60$
+0.5%
vs. previous close
Closing price · As of: Sep 25, 2026
Statements
Cash Flow
Biogen Inc. (BIIB) by the numbers: income statement, balance sheet and cash flow, by year or by quarter. In the most recent period (2025), "Operating Cash Flow" came in at 2,205 million USD. Tick rows to compare them in a chart.
All figures in millions of USD.
Tick rows to compare them in a chart (up to 4)
| Line item | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 47 | 98 | 168 | 272 | 366 | 316 | 267 | 219 | 728 | 890 | 841 | 1,021 | 1,564 | 1,075 | 1,625 | 1,728 | 1,880 | 2,345 | 2,942 | 3,716 | 4,522 | 4,551 | 6,188 | 7,079 | 4,230 | 3,640 | 1,384 | 1,547 | 2,876 | 2,205 | |
| 15 | 19 | 25 | 31 | 39 | 37 | 45 | 61 | 439 | 402 | 376 | 380 | 462 | 428 | 354 | 359 | 366 | 532 | 637 | 600 | 683 | 1,081 | 651 | 465 | 457 | 488 | 518 | 495 | 673 | 780 | |
| – | – | – | – | – | – | 2.4 | 873 | 17 | 38 | 127 | 123 | 146 | 161 | 168 | 113 | 119 | 136 | 155 | 161 | 155 | 128 | 158 | 182 | 198 | 239 | 254 | 264 | 291 | 291 | |
| – | – | – | – | – | – | – | – | – | – | – | – | – | 21 | 348 | 242 | 3.3 | -136 | -203 | 98 | 71 | 565 | 297 | 255 | 674 | 743 | -1,471 | – | – | – | |
| -4.4 | -36 | -2.0 | 24 | -11 | -5.7 | -79 | -81 | -176 | 140 | -97 | -78 | 174 | -351 | 3.6 | -185 | 104 | 87 | -484 | -576 | 73 | 235 | 400 | 199 | -187 | -146 | -890 | -649 | -155 | -1,058 | |
| 66 | 36 | 34 | 86 | 199 | 196 | 166 | 301 | 370 | 318 | 198 | 284 | 276 | 166 | 173 | 252 | 255 | 3,509 | 288 | 643 | 616 | 867 | 771 | 515 | 552 | 295 | 240 | 311 | 360 | 154 | |
| -82 | -155 | -159 | -210 | -105 | -253 | -290 | -279 | -382 | 418 | -600 | -287 | -366 | -395 | 345 | -1,650 | -950 | -1,605 | -1,543 | -4,554 | -2,485 | -2,963 | -2,046 | 471 | -609 | -564 | 1,589 | -4,089 | -799 | -1,371 | |
| – | 29 | – | – | – | 0.7 | – | – | – | 11 | – | 1,513 | 987 | 4.4 | 12 | 27 | 67,426 | 66,703 | 54,832 | 5,931 | 0.0 | 303 | 36 | – | 4.6 | 0.7 | – | – | – | – | |
| – | -7.0 | -66 | -198 | -300 | -88 | -135 | – | -734 | -323 | -320 | -2,991 | -739 | -751 | -2,078 | -498 | -985 | -400 | -887 | -5,000 | -1,000 | -1,365 | -4,353 | -5,868 | -6,679 | -1,800 | -750 | 0.0 | 0.0 | – | |
| – | – | – | – | – | – | – | – | – | – | – | – | – | 1.4 | -6.3 | -8.6 | -2.4 | -452 | -2.7 | 5,928 | -2.7 | -561 | -3.2 | 1,467 | 1,467 | -170 | -1,002 | 187 | -650 | -17 | |
| 52 | 66 | -54 | -31 | -269 | -58 | 14 | 51 | -451 | -949 | -148 | -735 | -1,237 | -724 | -1,785 | -320 | -877 | -717 | -756 | 986 | -988 | -2,380 | -4,472 | -5,860 | -5,273 | -2,086 | -1,760 | 137 | -684 | -302 | |
| 16 | 8.3 | -45 | 31 | -8.2 | 5.3 | -8.9 | -35 | -105 | 359 | 93 | -1.7 | -37 | -40 | 178 | -245 | 56 | 603 | 602 | 103 | 1,019 | -753 | -349 | 1,689 | -1,583 | 930 | 1,158 | -2,369 | 1,325 | 634 | |
| -19 | 62 | 134 | 186 | 167 | 121 | 13 | -82 | 358 | 571 | 643 | 737 | 1,289 | 909 | 1,452 | 1,476 | 1,625 | -1,164 | 2,626 | 3,073 | 3,860 | 3,684 | 5,302 | 6,564 | 3,678 | 3,345 | 1,144 | 1,236 | 2,516 | 2,051 |
Data as of: September 25, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.