Overview: MDAX Performance in May 2025
In May 2025, the MDAX showed a slight overall decline. On the last trading day of the month (May 30, 2025), the index closed at approximately 30,594 points, which corresponds to a decrease of -0.34% compared to the previous day. However, since the beginning of the year, the MDAX has remained significantly in the green: it has risen by about 18–19% since early January.
Top and Flop Stocks in MDAX (May 2025)
The following overview shows the biggest losers (flops) among the MDAX stocks in May:
| Rank | Company | Performance (May) |
|---|---|---|
| 51 | TeamViewer | -23.83% |
| 50 | freenet | -20.63% |
| 49 | thyssenkrupp | -14.35% |
| 48 | Redcare Pharmacy | -12.74% |
| 47 | RTL | -6.25% |
Note: The ranking is based on Xetra price values between April 30, 2025, and May 30, 2025. The available sources do not mention any explicit top gainers; the focus is on the largest losers.
Context of Overall Performance
Despite individual negative outliers like TeamViewer or freenet, the overall performance of the MDAX has remained positive since the beginning of the year:
- YTD Performance: +19–20%
- 3-Month Performance: +8%
- 6-Month Performance: +16%
- 1-Year Performance: +15%
The best stocks over various time periods are according to financial information:
- YTD Best: thyssenkrupp (+118%)
- 3-Month Best: Bilfinger (+40%)
- 1-Year Best: AUTO1 (+239%)
The worst stocks over various time periods are:
- YTD Worst: PUMA (-49%)
- 3-Month Worst: Gerresheimer (-22%)
- 1-Year Worst: PUMA (-52%)
Conclusion
May was a difficult month for some big names in the MDAX, featuring significant price losses – particularly for TeamViewer and freenet – while other stocks like thyssenkrupp continue to show strong YTD growth despite short-term weakness. Overall, the sentiment in the German mid-cap index remains robust: despite individual setbacks, the long-term picture remains positively shaped.