Overview: MDAX Performance in May 2025
In May 2025, the MDAX generally moved slightly downward. On the last trading day of the month (30.05.2025), the index closed at around 30,594 points, representing a decline of -0.34% compared to the previous day. However, since the beginning of the year, the MDAX remains significantly in the plus: it increased 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 values 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 30.04.2025 and 30.05.2025. No explicit top winners are mentioned in the available sources; the focus is on the biggest losers.
Context for Overall Performance
Despite individual negative outliers such as 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 values over various periods are according to financial information:
- YTD Best: thyssenkrupp (+118%)
- 3-Month Best: Bilfinger (+40%)
- 1-Year Best: AUTO1 (+239%)
The worst values over various 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 MDAX with partly significant price losses – especially for TeamViewer and freenet – while other stocks like thyssenkrupp continue to show strong YTD growth despite short-term weakness. Overall, the mood in the German mid-cap index remains robust: despite some setbacks, the long-term picture is still positively shaped.