Biogen Inc (BIIB) — Net Asset Quality Index
Biogen Inc (BIIB) has a Net Asset Quality Index of 62.0% as of December 2025. This metric measures the proportion of total assets financed by shareholders' equity — total assets of $29.44 Billion minus total liabilities of $11.18 Billion yields net assets of $18.26 Billion. A higher index indicates a stronger, lower-leverage balance sheet. Check BIIB asset liquidity ratio to evaluate the company's liquid asset resilience ratio.
Quality Index
Net Assets
Total Assets
Total Liabilities
Biogen Inc Net Asset Quality Index Over Time (1985–2025)
This chart shows how Biogen Inc's Net Asset Quality Index has evolved across 41 annual periods from 1985 to 2025. As of December 2025, the index stands at 62.0%, representing net assets of $18.26 Billion against total assets of $29.44 Billion USD. See BIIB current assets to equity ratio to evaluate short-term liquidity relative to the company's equity base.
Annual Net Asset Quality Index for Biogen Inc (1985–2025)
The table below presents the year-by-year Net Asset Quality Index for Biogen Inc from 1985 to 2025, covering 41 annual filings. Each row shows total assets, total liabilities, net assets, the quality index percentage, and the change in percentage points compared to the prior year. For market capitalisation and the full company profile, see Biogen Inc market cap and net worth.
| Year | Quality Index | Net Assets (USD) | Total Assets | Total Liabilities | Change (pp) |
|---|---|---|---|---|---|
| 2025 | 62.0% | $18.26 Billion | $29.44 Billion | $11.18 Billion | ▲ +2.4 pp |
| 2024 | 59.6% | $16.72 Billion | $28.05 Billion | $11.33 Billion | ▲ +4.5 pp |
| 2023 | 55.1% | $14.80 Billion | $26.84 Billion | $12.05 Billion | ▲ +0.6 pp |
| 2022 | 54.5% | $13.39 Billion | $24.55 Billion | $11.17 Billion | ▲ +8.6 pp |
| 2021 | 45.9% | $10.96 Billion | $23.88 Billion | $12.92 Billion | ▲ +2.5 pp |
| 2020 | 43.4% | $10.69 Billion | $24.62 Billion | $13.93 Billion | ▼ -5.6 pp |
| 2019 | 49.0% | $13.34 Billion | $27.23 Billion | $13.90 Billion | ▼ -2.6 pp |
| 2018 | 51.5% | $13.03 Billion | $25.29 Billion | $12.26 Billion | ▼ -1.7 pp |
| 2017 | 53.3% | $12.60 Billion | $23.65 Billion | $11.05 Billion | ▲ +0.2 pp |
| 2016 | 53.0% | $12.13 Billion | $22.88 Billion | $10.75 Billion | ▲ +5.0 pp |
| 2015 | 48.1% | $9.37 Billion | $19.50 Billion | $10.13 Billion | ▼ -27.5 pp |
| 2014 | 75.5% | $10.81 Billion | $14.32 Billion | $3.50 Billion | ▲ +2.9 pp |
| 2013 | 72.7% | $8.62 Billion | $11.86 Billion | $3.24 Billion | ▲ +3.9 pp |
| 2012 | 68.7% | $6.96 Billion | $10.13 Billion | $3.17 Billion | ▼ -2.3 pp |
| 2011 | 71.0% | $6.43 Billion | $9.05 Billion | $2.62 Billion | ▲ +3.7 pp |
| 2010 | 67.3% | $5.45 Billion | $8.09 Billion | $2.64 Billion | ▼ -5.9 pp |
| 2009 | 73.2% | $6.26 Billion | $8.55 Billion | $2.29 Billion | ▲ +4.7 pp |
| 2008 | 68.5% | $5.81 Billion | $8.48 Billion | $2.67 Billion | ▲ +4.3 pp |
| 2007 | 64.1% | $5.53 Billion | $8.63 Billion | $3.09 Billion | ▼ -19.5 pp |
| 2006 | 83.6% | $7.15 Billion | $8.55 Billion | $1.40 Billion | ▲ +1.1 pp |
| 2005 | 82.5% | $6.91 Billion | $8.37 Billion | $1.46 Billion | ▲ +8.1 pp |
| 2004 | 74.5% | $6.83 Billion | $9.17 Billion | $2.34 Billion | ▲ +0.3 pp |
| 2003 | 74.2% | $7.05 Billion | $9.50 Billion | $2.45 Billion | ▼ -5.3 pp |
| 2002 | 79.5% | $1.60 Billion | $2.01 Billion | $411.57 Million | ▲ +1.1 pp |
| 2001 | 78.4% | $1.35 Billion | $1.72 Billion | $372.21 Million | ▲ +1.1 pp |
| 2000 | 77.3% | $1.11 Billion | $1.43 Billion | $325.45 Million | ▲ +0.6 pp |
| 1999 | 76.6% | $979.53 Million | $1.28 Billion | $298.44 Million | ▼ -1.1 pp |
| 1998 | 77.7% | $718.61 Million | $924.72 Million | $206.10 Million | ▲ +11.8 pp |
| 1997 | 65.9% | $536.29 Million | $813.83 Million | $277.53 Million | ▼ -10.4 pp |
| 1996 | 76.3% | $484.37 Million | $634.57 Million | $150.20 Million | ▼ -5.3 pp |
| 1995 | 81.6% | $382.98 Million | $469.20 Million | $86.22 Million | ▼ -5.7 pp |
| 1994 | 87.3% | $329.93 Million | $377.86 Million | $47.93 Million | ▼ -3.8 pp |
| 1993 | 91.1% | $325.20 Million | $357.00 Million | $31.80 Million | ▼ -0.5 pp |
| 1992 | 91.6% | $285.00 Million | $311.20 Million | $26.20 Million | ▼ -2.8 pp |
| 1991 | 94.4% | $239.00 Million | $253.10 Million | $14.10 Million | ▲ +2.5 pp |
| 1990 | 91.9% | $145.70 Million | $158.50 Million | $12.80 Million | ▼ -3.9 pp |
| 1989 | 95.9% | $139.20 Million | $145.20 Million | $6.00 Million | ▲ +11.8 pp |
| 1988 | 84.1% | $68.00 Million | $80.90 Million | $12.90 Million | ▼ -0.1 pp |
| 1987 | 84.1% | $67.90 Million | $80.70 Million | $12.80 Million | ▼ -4.4 pp |
| 1986 | 88.5% | $89.30 Million | $100.90 Million | $11.60 Million | ▲ +1.2 pp |
| 1985 | 87.3% | $74.90 Million | $85.80 Million | $10.90 Million | — |