Biogen Inc (BIIB) — Defensive Interval Ratio
Biogen Inc (BIIB) has a Defensive Interval Ratio of 291 days as of December 2025. Defensive assets of $2.67 Billion (cash $-, short-term investments $807.20 Million, receivables $1.87 Billion) cover 291 days of daily cash needs of $9.18 Million/day. Check BIIB goodwill-adjusted equity ratio to evaluate the tangible quality of the company's equity base.
Defensive Interval Ratio
Defensive Assets
Daily Cash Need
Current Liabilities
Biogen Inc Defensive Interval Ratio (1985–2025)
This chart shows how Biogen Inc's Defensive Interval Ratio has evolved across 41 annual periods from 1985 to 2025. As of December 2025, the ratio stands at 291 days, meaning defensive assets of $2.67 Billion can fund 291 days of operations without new revenue. Also explore BIIB shareholders equity momentum to track the company's year-over-year net asset growth rate.
Annual Defensive Interval Ratio for Biogen Inc (1985–2025)
The table below presents the year-by-year Defensive Interval Ratio for Biogen Inc from 1985 to 2025, covering 41 annual filings. Each row shows defensive assets, daily cash need, the DIR in days, and the change in days compared to the prior year. For live market cap and the full company financial profile, see BIIB market cap.
| Year | DIR (days) | Defensive Assets (USD) | Daily Cash Need | Cash | ST Investments | Change (days) |
|---|---|---|---|---|---|---|
| 2025 | 291 days | $2.67 Billion | $9.18 Million/day | $- | $807.20 Million | ▲ +168 days |
| 2024 | 123 days | $1.87 Billion | $15.15 Million/day | $- | $0.00 | ▼ -100 days |
| 2023 | 223 days | $2.10 Billion | $9.41 Million/day | $- | $0.00 | ▼ -179 days |
| 2022 | 403 days | $3.61 Billion | $8.97 Million/day | $- | $1.47 Billion | ▲ +105 days |
| 2021 | 297 days | $3.50 Billion | $11.78 Million/day | $- | $1.54 Billion | ▼ -54 days |
| 2020 | 352 days | $3.61 Billion | $10.25 Million/day | $- | $1.28 Billion | ▲ +49 days |
| 2019 | 303 days | $4.03 Billion | $13.33 Million/day | $- | $1.56 Billion | ▼ -229 days |
| 2018 | 532 days | $4.80 Billion | $9.03 Million/day | $- | $2.31 Billion | ▲ +109 days |
| 2017 | 423 days | $3.90 Billion | $9.23 Million/day | $- | $2.12 Billion | ▼ -16 days |
| 2016 | 439 days | $4.01 Billion | $9.14 Million/day | $- | $2.57 Billion | ▼ -35 days |
| 2015 | 474 days | $3.35 Billion | $7.06 Million/day | $- | $2.12 Billion | ▲ +110 days |
| 2014 | 364 days | $2.22 Billion | $6.08 Million/day | $- | $640.46 Million | ▲ +12 days |
| 2013 | 352 days | $1.70 Billion | $4.82 Million/day | $- | $620.17 Million | ▼ -108 days |
| 2012 | 460 days | $2.09 Billion | $4.54 Million/day | $- | $1.13 Billion | ▼ -342 days |
| 2011 | 803 days | $2.01 Billion | $2.50 Million/day | $- | $1.18 Billion | ▲ +355 days |
| 2010 | 448 days | $1.29 Billion | $2.88 Million/day | $- | $448.15 Million | ▼ -289 days |
| 2009 | 737 days | $1.44 Billion | $1.96 Million/day | $- | $681.84 Million | ▲ +177 days |
| 2008 | 560 days | $1.42 Billion | $2.53 Million/day | $- | $749.03 Million | ▲ +373 days |
| 2007 | 187 days | $1.12 Billion | $6.00 Million/day | $- | $523.84 Million | ▼ -302 days |
| 2006 | 489 days | $780.67 Million | $1.60 Million/day | $- | $241.31 Million | ▲ +19 days |
| 2005 | 470 days | $750.63 Million | $1.60 Million/day | $- | $282.58 Million | ▲ +94 days |
| 2004 | 376 days | $1.30 Billion | $3.45 Million/day | $- | $848.50 Million | ▼ -273 days |
| 2003 | 649 days | $719.63 Million | $1.11 Million/day | $- | $521.11 Million | ▼ -5370 days |
| 2002 | 6019 days | $927.20 Million | $154.04K/day | $- | $822.00 Million | ▲ +4879 days |
| 2001 | 1141 days | $921.65 Million | $808.06K/day | $- | $744.07 Million | ▼ -142 days |
| 2000 | 1283 days | $776.85 Million | $605.54K/day | $- | $633.67 Million | ▼ -127 days |
| 1999 | 1410 days | $734.98 Million | $521.29K/day | $- | $597.62 Million | ▼ -246 days |
| 1998 | 1656 days | $592.75 Million | $357.98K/day | $- | $491.47 Million | ▲ +311 days |
| 1997 | 1345 days | $456.53 Million | $339.41K/day | $- | $369.73 Million | ▲ +90 days |
| 1996 | 1255 days | $302.30 Million | $240.95K/day | $- | $259.35 Million | ▼ -672 days |
| 1995 | 1926 days | $281.79 Million | $146.29K/day | $- | $262.18 Million | ▲ +162 days |
| 1994 | 1764 days | $231.62 Million | $131.31K/day | $- | $213.12 Million | ▲ +1400 days |
| 1993 | 364 days | $31.70 Million | $87.12K/day | $- | $- | ▼ -101 days |
| 1992 | 465 days | $33.40 Million | $71.78K/day | $- | $- | ▼ -11 days |
| 1991 | 476 days | $18.40 Million | $38.63K/day | $- | $- | ▲ +97 days |
| 1990 | 379 days | $13.20 Million | $34.79K/day | $- | $- | ▲ +27 days |
| 1989 | 353 days | $5.80 Million | $16.44K/day | $- | $- | ▲ +280 days |
| 1988 | 73 days | $1.60 Million | $21.92K/day | $- | $- | ▼ -57 days |
| 1987 | 130 days | $2.70 Million | $20.82K/day | $- | $- | ▲ +43 days |
| 1986 | 86 days | $1.70 Million | $19.73K/day | $- | $- | ▼ -22 days |
| 1985 | 109 days | $2.20 Million | $20.27K/day | $- | $- | — |