SC 13G | 2006-02-09 | DELAWARE MANAGEMENT HOLDINGS CO INC | WEIGHT WATCHERS INTERNATIONAL INC | 5,519,833 | 5.4% | EDGAR |
SC 13G | 2005-06-22 | TRANSAMERICA INVESTMENT MANAGEMENT LLC | WEIGHT WATCHERS INTERNATIONAL INC | 4,986,222 | 4.8% | EDGAR |
SC 13G | 2005-02-11 | AMERICAN CENTURY INVESTMENT MANAGEMENT INC | WEIGHT WATCHERS INTERNATIONAL INC | 5,953,528 | - | EDGAR |
SC 13G/A | 2004-10-12 | FMR CORP | WEIGHT WATCHERS INTERNATIONAL INC | 2,886,520 | 2.7% | EDGAR |
SC 13G | 2004-05-10 | TRANSAMERICA INVESTMENT MANAGEMENT LLC | WEIGHT WATCHERS INTERNATIONAL INC | 5,740,930 | 5.4% | EDGAR |
SC 13D | 2004-03-18 | WESTEND SA | WEIGHT WATCHERS INTERNATIONAL INC | 64,265,825 | 60.4% | EDGAR |
SC 13G/A | 2004-02-17 | ARTAL GROUP S A | WEIGHT WATCHERS INTERNATIONAL INC | - | - | EDGAR |
SC 13G | 2004-02-17 | FMR CORP | WEIGHT WATCHERS INTERNATIONAL INC | 8,473,220 | 7.9% | EDGAR |
SC 13G/A | 2003-02-13 | ARTAL GROUP S A | WEIGHT WATCHERS INTERNATIONAL INC | - | - | EDGAR |
SC 13G | 2002-02-14 | ARTAL GROUP S A | WEIGHT WATCHERS INTERNATIONAL INC | - | - | EDGAR |