About Bayer Aktiengesellschaft (BAYN)
Bayer Aktiengesellschaft is a Drug Manufacturers - General company operating in the Healthcare sector.
BAYN trades on the German stock exchanges (XETRA/Frankfurt) and is classified as a large-cap stock .
Key Statistics
- Current Price
- €50.58
- Market Cap
- €49.69B
- 52-Week High
- €53.92
- 52-Week Low
- €25.78
- Sector
- Healthcare
- Industry
- Drug Manufacturers - General
€1,000 Invested in Bayer Aktiengesellschaft (BAYN)
How much would €1,000 invested in BAYN be worth today?
What would €1,000 invested in BAYN 1 year ago be worth today?
A €1,000 investment in Bayer Aktiengesellschaft (BAYN) in 2025 would be worth €1,882 as of November 2026, representing a +88.2% total return.
What would €1,000 invested in BAYN 3 years ago be worth today?
A €1,000 investment in Bayer Aktiengesellschaft (BAYN) in 2023 would be worth €1,259 as of November 2026, representing a +25.9% total return.
What would €1,000 invested in BAYN 5 years ago be worth today?
A €1,000 investment in Bayer Aktiengesellschaft (BAYN) in 2021 would be worth €1,131 as of November 2026, representing a +13.1% total return.
What would €1,000 invested in BAYN 10 years ago be worth today?
A €1,000 investment in Bayer Aktiengesellschaft (BAYN) in 2016 would be worth €743 as of November 2026, representing a -25.7% total return.
What would €1,000 invested in BAYN at IPO be worth today?
A €1,000 investment in Bayer Aktiengesellschaft (BAYN) at IPO would be worth €3,305 as of November 2026, representing a +230.5% total return.
Monthly Returns Heatmap
Over the past 29+ years (358 months), Bayer Aktiengesellschaft (BAYN) has averaged a monthly return of +0.72% with a median return of +1.08%. The stock had 195 positive months (54%) and 163 negative months (46%). The best month in BAYN's history was April 2003 with a +38.3% return, while the worst was September 2002 at -28.0%. Historically, April tends to be the strongest month (averaging +4.6%), and August the weakest (-3.1%).
BAYN's longest winning streak was 9 consecutive months of gains, while its longest losing streak was 6 consecutive months of losses. The best full year was 2025 with a cumulative return of +69.9%, and the worst was 2024 at -48.4%.
Annual Returns
Over 30 years of trading history, Bayer Aktiengesellschaft (BAYN) has delivered an average annual return of +9.03% with a median return of +6.83%. The compound annual growth rate (CAGR) is +4.07%. The stock posted gains in 21 years (70%) and losses in 9 years (30%).
BAYN's best year was 2025 with a +92.54% gain, while the worst was 2024 at -42.34%. The longest streak of consecutive positive years was 5, and the longest losing streak was 2 years. BAYN achieved double-digit gains (10%+) in 13 years. It suffered double-digit losses in 8 years.
| Year | Return | Start | End |
|---|---|---|---|
| 2026 | +37.06% | €36.90 | €50.58 |
| 2025 | +92.54% | €19.17 | €36.90 |
| 2024 | -42.34% | €33.24 | €19.17 |
| 2023 | -27.50% | €45.85 | €33.24 |
| 2022 | +6.20% | €43.17 | €45.85 |
| 2021 | +1.34% | €42.60 | €43.17 |
| 2020 | -30.79% | €61.55 | €42.60 |
| 2019 | +25.96% | €48.87 | €61.55 |
| 2018 | -39.17% | €80.33 | €48.87 |
| 2017 | +7.47% | €74.75 | €80.33 |
| 2016 | -12.22% | €85.16 | €74.75 |
| 2015 | +4.19% | €81.73 | €85.16 |
| 2014 | +13.18% | €72.21 | €81.73 |
| 2013 | +45.21% | €49.73 | €72.21 |
| 2012 | +49.97% | €33.16 | €49.73 |
| 2011 | -8.35% | €36.18 | €33.16 |
| 2010 | +1.78% | €35.55 | €36.18 |
| 2009 | +39.79% | €25.43 | €35.55 |
| 2008 | -31.89% | €37.33 | €25.43 |
| 2007 | +56.87% | €23.80 | €37.33 |
| 2006 | +18.29% | €20.12 | €23.80 |
| 2005 | +44.64% | €13.91 | €20.12 |
| 2004 | +9.82% | €12.67 | €13.91 |
| 2003 | +19.99% | €10.56 | €12.67 |
| 2002 | -41.46% | €18.03 | €10.56 |
| 2001 | -33.99% | €27.32 | €18.03 |
| 2000 | +24.60% | €21.92 | €27.32 |
| 1999 | +28.69% | €17.04 | €21.92 |
| 1998 | +5.32% | €16.18 | €17.04 |
| 1997 | +5.71% | €15.30 | €16.18 |
Frequently Asked Questions: BAYN
What sector is BAYN in? ▼
BAYN operates in the Healthcare sector, specifically in the Drug Manufacturers - General industry. This sector includes pharmaceutical companies, biotechnology firms, medical device manufacturers, and healthcare providers.
How has BAYN performed historically? ▼
Over 30 years of trading history, BAYN has posted gains in 21 years (70% of the time). The best year was 2025 with a +92.5% return. Past performance does not guarantee future results.
How can I invest in BAYN? ▼
You can invest in BAYN through any brokerage account that offers access to German exchanges. Popular options include commission-free brokers like Fidelity, Charles Schwab, or Robinhood (US), or international brokers like Interactive Brokers. You can buy individual shares or invest through ETFs that hold BAYN.
Last updated: 11/1/2026