Biogen Inc. (BIIB) Stock Price History
Historical prices from 1991 to 2026
- 1M
- +7.7%
- 3M
- +11.4%
- YTD
- +30.8%
- 1Y
- +63.5%
- 3Y
- -4.6%
- 5Y
- -2.9%
Loading 10-year price history...
BIIB Historical Performance
BIIB Annual Returns
Year-by-year price performance · 2002–2026
- 2002 annual price return
- -51.3%
- 2003 annual price return
- +6.9%
- 2004 annual price return
- +80.3%
- 2005 annual price return
- -31.7%
- 2006 annual price return
- +5.2%
- 2007 annual price return
- +15.4%
- 2008 annual price return
- -14.7%
- 2009 annual price return
- +10.3%
- 2010 annual price return
- +25.0%
- 2011 annual price return
- +63.8%
- 2012 annual price return
- +29.0%
- 2013 annual price return
- +86.4%
- 2014 annual price return
- +21.1%
- 2015 annual price return
- -10.4%
- 2016 annual price return
- -3.7%
- 2017 annual price return
- +9.2%
- 2018 annual price return
- -10.0%
- 2019 annual price return
- -2.6%
- 2020 annual price return
- -16.8%
- 2021 annual price return
- -1.2%
- 2022 annual price return
- +13.4%
- 2023 annual price return
- -5.1%
- 2024 annual price return
- -42.9%
- 2025 annual price return
- +17.3%
- 2026 annual price return
- +26.9%
BIIB Stock Price Trajectory (1991–2026)
As of October 17, 2026, Biogen Inc. (BIIB) trades at $232.65, representing a +63.5% return over the past year. The stock has delivered a -13.7% total return over five years (-2.9% CAGR), reflecting challenging market conditions.
The stock reached its all-time high of $480.18 on March 20, 2015. From this peak, BIIB has corrected -51.5%, currently trading 18% above its 200-day moving average, indicating continued institutional support.
When compared to Healthcare sector peers REGN (+38.9% 1Y), VRTX (+22.3% 1Y), and BMRN (+3.3% 1Y), BIIB has outperformed the peer group average. Compare BIIB vs REGN →
BIIB Historical Price Data · from 1991
Rows 1–50 of 8,834| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-10-16 | 236.25 | 237.05 | 232.46 | 232.65 | 1.46M | -1.15% |
| 2026-10-15 | 236.46 | 240.99 | 235.22 | 235.35 | 1.57M | +1.08% |
| 2026-10-14 | 228.99 | 234.20 | 228.00 | 232.83 | 1.95M | +1.72% |
| 2026-10-13 | 230.34 | 231.04 | 226.71 | 228.90 | 1.05M | -0.22% |
| 2026-10-12 | 233.98 | 238.24 | 229.00 | 229.41 | 1.46M | +1.64% |
| 2026-10-09 | 220.62 | 227.20 | 219.23 | 225.71 | 815K | +3.33% |
| 2026-10-08 | 220.15 | 223.09 | 215.73 | 218.43 | 1.34M | -1.67% |
| 2026-10-07 | 222.93 | 228.00 | 221.40 | 222.15 | 1.30M | -0.33% |
| 2026-10-06 | 224.53 | 225.97 | 218.00 | 222.89 | 1.01M | -0.31% |
| 2026-10-05 | 219.90 | 223.85 | 218.22 | 223.59 | 951K | +1.69% |
| 2026-10-02 | 222.98 | 224.08 | 219.81 | 219.88 | 780K | -1.32% |
| 2026-10-01 | 225.50 | 228.31 | 222.50 | 222.82 | 1.76M | -1.35% |
| 2026-09-30 | 227.23 | 229.36 | 225.51 | 225.88 | 1.55M | -0.52% |
| 2026-09-29 | 227.02 | 229.41 | 224.45 | 227.07 | 1.16M | -0.71% |
| 2026-09-28 | 225.87 | 230.49 | 225.51 | 228.69 | 1.33M | +0.48% |
| 2026-09-25 | 228.27 | 228.92 | 223.76 | 227.60 | 958K | +0.55% |
| 2026-09-24 | 226.80 | 228.72 | 224.31 | 226.36 | 1.03M | -0.51% |
| 2026-09-23 | 226.94 | 229.19 | 222.36 | 227.53 | 1.49M | +0.96% |
| 2026-09-22 | 219.22 | 226.43 | 219.00 | 225.36 | 1.11M | +2.87% |
| 2026-09-21 | 216.14 | 221.92 | 214.59 | 219.07 | 929K | +1.66% |
| 2026-09-18 | 219.05 | 220.17 | 215.26 | 215.50 | 2.64M | -1.62% |
| 2026-09-17 | 217.68 | 219.41 | 215.33 | 219.05 | 837K | +1.41% |
| 2026-09-16 | 216.41 | 218.29 | 214.81 | 216.01 | 607K | -0.07% |
| 2026-09-15 | 216.71 | 216.71 | 213.54 | 216.17 | 756K | -0.55% |
| 2026-09-14 | 221.00 | 222.25 | 215.56 | 217.36 | 630K | +0.10% |
| 2026-09-11 | 216.75 | 219.76 | 214.71 | 217.15 | 1.08M | +0.80% |
| 2026-09-10 | 209.92 | 216.70 | 208.93 | 215.43 | 937K | +2.23% |
| 2026-09-09 | 210.50 | 213.48 | 209.00 | 210.73 | 695K | -0.83% |
| 2026-09-08 | 215.45 | 217.28 | 210.54 | 212.50 | 618K | -3.77% |
| 2026-09-04 | 221.15 | 223.82 | 219.82 | 220.83 | 465K | -1.64% |
| 2026-09-03 | 225.44 | 225.80 | 221.23 | 224.51 | 551K | +0.83% |
| 2026-09-02 | 218.20 | 225.59 | 216.97 | 222.67 | 1.27M | +3.07% |
| 2026-09-01 | 218.11 | 219.30 | 213.60 | 216.04 | 786K | -0.28% |
| 2026-08-31 | 216.47 | 218.89 | 213.58 | 216.65 | 831K | -0.85% |
| 2026-08-28 | 221.17 | 222.00 | 216.78 | 218.50 | 517K | -1.35% |
| 2026-08-27 | 219.39 | 222.11 | 217.53 | 221.50 | 498K | +0.19% |
| 2026-08-26 | 219.34 | 222.00 | 218.69 | 221.07 | 647K | +0.14% |
| 2026-08-25 | 218.93 | 222.85 | 218.00 | 220.77 | 495K | +1.21% |
| 2026-08-24 | 216.40 | 218.50 | 213.96 | 218.12 | 650K | +0.62% |
| 2026-08-21 | 217.76 | 219.12 | 215.00 | 216.78 | 722K | +1.13% |
| 2026-08-20 | 217.98 | 221.29 | 214.16 | 214.35 | 809K | -3.25% |
| 2026-08-19 | 215.33 | 222.15 | 215.08 | 221.56 | 887K | +4.24% |
| 2026-08-18 | 211.00 | 214.07 | 210.01 | 212.55 | 694K | +1.63% |
| 2026-08-17 | 208.36 | 210.49 | 207.62 | 209.15 | 617K | -0.32% |
| 2026-08-14 | 210.01 | 210.79 | 208.22 | 209.83 | 555K | -0.39% |
| 2026-08-13 | 212.98 | 215.61 | 208.79 | 210.65 | 860K | +0.85% |
| 2026-08-12 | 203.52 | 209.22 | 201.00 | 208.87 | 789K | +2.44% |
| 2026-08-11 | 206.63 | 207.57 | 203.53 | 203.89 | 937K | -1.56% |
| 2026-08-10 | 206.70 | 210.02 | 206.29 | 207.13 | 706K | -0.39% |
| 2026-08-07 | 207.38 | 208.31 | 204.16 | 207.94 | 841K | +0.80% |
BIIB Chart Terminal
Live VCP patterns, Cup & Handle overlays, support/resistance, and AI trade plans.
Live Breakouts Feed
High-probability breakout stocks crossing their pivot across 5 pattern engines.
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
10-year return with dividends reinvested.
Peer Comparison
Compare growth, multiples, and margins vs sector.
BIIB — Frequently Asked Questions
Quick answers to the most common questions about buying BIIB stock.
How has BIIB stock performed recently?
BIIB returned +63.5% over the past year, beating its 5-year annualized CAGR of -2.9%. The stock trades above its 200-day moving average, confirming the uptrend.
What is BIIB's all-time high price?
Biogen Inc. reached $480.18 on 2015-03-20. The 52-week high is $240.99. Current 1-year return of +63.5% places the stock closer to historical peaks.
Where can I download BIIB historical price data?
This page provides BIIB daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 1991-2026, downloadable in CSV format.