Biogen (BIIB) Tax Rate (2009 - 2026)
Biogen (BIIB) posted quarterly Tax Rate of 26.36% for Q2 2026, up 1168.0% year-over-year from 2.08% in Q2 2025, and up 71.07% quarter-over-quarter from 15.41% in Q1 2026.
Biogen (BIIB) Tax Rate (2009 - 2026) Analysis & Trends
Biogen's Tax Rate history runs 18 years deep, the most recent figure standing at 26.36% for Q2 2026.
- In Q2 2026, Tax Rate rose 1168.0% year-over-year to 26.36%; the TTM figure through Jun 2026 stood at 17.48% (up 262.0% YoY), while the FY2025 annual figure was 16.94%, up 257.0% from the prior year.
- Tax Rate for Q2 2026 stood at 26.36%, up from 15.41% in the prior quarter.
- The five-year high for Tax Rate was 51.63% in Q3 2023, with the low at 8.51% in Q4 2024.
- The 5-year median for Tax Rate is 15.81% (2023), against an average of 18.66%.
- Peak annual rise in Tax Rate reached 8735 bps in 2022, while the deepest fall reached 10044 bps in 2022.
- Biogen's Tax Rate stood at 8.99% in 2022, then soared by 63 bps to 14.64% in 2023, then sank by 42 bps to 8.51% in 2024, then soared by 49 bps to 12.68% in 2025, then surged by 108 bps to 26.36% in 2026.
- Business Quant data shows BIIB's Tax Rate at 26.36% in Q2 2026, 15.41% in Q1 2026, and 12.68% in Q4 2025.
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Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Tax Rate (Qtr) |
|---|---|---|---|---|---|
| 1 | Johnson & Johnson | 652.20 Bn | 631.44 Bn | 17.26 Bn | 17.98% |
| 2 | AbbVie | 469.51 Bn | 462.94 Bn | 12.70 Bn | 15.47% |
| 3 | Merck | 376.81 Bn | 369.67 Bn | 12.21 Bn | -95.75% |
| 4 | Novartis Ag | 303.04 Bn | 295.35 Bn | 11.24 Bn | 23.71% |
| 5 | Astrazeneca | 257.61 Bn | 252.71 Bn | 12.86 Bn | 10.40% |
| 6 | Amgen | 237.37 Bn | 223.38 Bn | 7.24 Bn | 14.20% |
| 7 | Gilead Sciences | 181.73 Bn | 178.55 Bn | 6.22 Bn | -2.36% |
| 8 | Pfizer | 159.66 Bn | 147.96 Bn | 10.94 Bn | 62.33% |
| 9 | Gsk | 106.24 Bn | 102.07 Bn | 8.24 Bn | 56.21% |
| 10 | Biogen | 32.04 Bn | 30.76 Bn | 1.96 Bn | 26.36% |
Historic Data
Download Data| Date | Value |
|---|---|
| Jun 30, 2026 | 26.36% |
| Jun 30, 2026 | 26.36% |
| Jun 30, 2026 | 26.36% |
| Mar 31, 2026 | 15.41% |
| Mar 31, 2026 | 15.41% |
| Mar 31, 2026 | 15.41% |
| Dec 31, 2025 | 12.68% |
| Dec 31, 2025 | 12.68% |
| Dec 31, 2025 | 12.68% |
| Sep 30, 2025 | 16.29% |
| Sep 30, 2025 | 16.29% |
| Sep 30, 2025 | 16.29% |
| Jun 30, 2025 | 14.68% |
| Jun 30, 2025 | 14.68% |
| Jun 30, 2025 | 14.68% |
| Mar 31, 2025 | 22.72% |
| Mar 31, 2025 | 22.72% |
| Mar 31, 2025 | 22.72% |
| Dec 31, 2024 | 8.51% |
| Dec 31, 2024 | 8.51% |