About IONOS Group SE (IOS)
IONOS Group SE is a Information Technology Services company operating in the Technology sector.
IOS trades on the German stock exchanges (XETRA/Frankfurt) and is classified as a large-cap stock .
Key Statistics
- Current Price
- €35.54
- Market Cap
- €4.80B
- 52-Week High
- €36.78
- 52-Week Low
- €20.90
- Sector
- Technology
- Industry
- Information Technology Services
€1,000 Invested in IONOS Group SE (IOS)
How much would €1,000 invested in IOS be worth today?
What would €1,000 invested in IOS 1 year ago be worth today?
A €1,000 investment in IONOS Group SE (IOS) in 2025 would be worth €1,156 as of November 2026, representing a +15.6% total return.
What would €1,000 invested in IOS 3 years ago be worth today?
A €1,000 investment in IONOS Group SE (IOS) in 2023 would be worth €2,857 as of November 2026, representing a +185.7% total return.
What would €1,000 invested in IOS at IPO be worth today?
A €1,000 investment in IONOS Group SE (IOS) at IPO would be worth €2,247 as of November 2026, representing a +124.7% total return.
Monthly Returns Heatmap
Over the past 3+ years (44 months), IONOS Group SE (IOS) has averaged a monthly return of +2.48% with a median return of +2.77%. The stock had 25 positive months (57%) and 19 negative months (43%). The best month in IOS's history was May 2025 with a +39.1% return, while the worst was October 2025 at -22.6%. Historically, May tends to be the strongest month (averaging +11.3%), and September the weakest (-7.2%).
IOS's longest winning streak was 4 consecutive months of gains, while its longest losing streak was 3 consecutive months of losses. The best full year was 2025 with a cumulative return of +32.5%, and the worst was 2024 at 26.8%.
Annual Returns
Over 3 years of trading history, IONOS Group SE (IOS) has delivered an average annual return of +26.81% with a median return of +25.14%. The compound annual growth rate (CAGR) is +26.73%. The stock posted gains in 3 years (100%) and losses in 0 years (0%).
IOS's best year was 2026 with a +32.86% gain, while the worst was 2025 at +22.43%. The longest streak of consecutive positive years was 3, and the longest losing streak was 0 years. IOS achieved double-digit gains (10%+) in 3 years.
| Year | Return | Start | End |
|---|---|---|---|
| 2026 | +32.86% | €26.75 | €35.54 |
| 2025 | +22.43% | €21.85 | €26.75 |
| 2024 | +25.14% | €17.46 | €21.85 |
Frequently Asked Questions: IOS
What sector is IOS in? ▼
IOS operates in the Technology sector, specifically in the Information Technology Services industry. This sector includes companies involved in software, hardware, semiconductors, and IT services.
How has IOS performed historically? ▼
Over 3 years of trading history, IOS has posted gains in 3 years (100% of the time). The best year was 2026 with a +32.9% return. Past performance does not guarantee future results.
How can I invest in IOS? ▼
You can invest in IOS 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 IOS.
Last updated: 11/1/2026