| Year established | 1999 |
| Market segment (German Stock Exchange) | TecDAX, Prime Standard |
| Primary instrument | No-par-value bearer common stock |
| Ticker symbol | WDI, Reuters WDIG.DE, Bloomberg WDI@GR |
| ISIN | DE0007472060 |
| WKN | 747206 |
| Number of shares | 101.803.139 |
| Accounting standard | Exempting consolidated financial statements in accordance with IAS/IFRS |
| End of fiscal year | December 31 |
| Total capital stock | EUR 101.803.139,00 |
| Beginning of stock-market listing | October 25, 2000 |
| Board of management | Dr. Markus Braun (CEO), Burkhard Ley (CFO), Jan Marsalek (COO) |
| 7.60% | MB Beteiligungs GmbH, DE |
| 6.26% | Jupiter Asset Management Limited, UK* |
| 5.00% | Alken Fund SICAV (formerly Vauban Fund SICAV), LU* |
| 4.97% | Artisan Funds, US* |
| 3.44% | T. Rowe Price Group, Inc., US* |
| 3.10% | Wasatch Holdings Inc., US* |
| 3.04% | Ameriprise Financial, Inc., US* |
| 5.01% | International Value Advisers, LLC, US* |
| app. 92.40% | Freefloat (incl. *) |