SC 13D/A | 2009-03-31 | WESTEND SA | WEIGHT WATCHERS INTERNATIONAL INC | 43,247,893 | 56.2% | EDGAR |
SC 13G/A | 2009-02-17 | MORGAN STANLEY | WEIGHT WATCHERS INTERNATIONAL INC | 7,762,879 | 10.1% | EDGAR |
SC 13G | 2009-02-12 | Capital World Investors | WEIGHT WATCHERS INTERNATIONAL INC | 6,808,000 | 8.9% | EDGAR |
SC 13G/A | 2009-02-06 | DELAWARE MANAGEMENT HOLDINGS CO INC | WEIGHT WATCHERS INTERNATIONAL INC | 7,346,799 | 9.6% | EDGAR |
SC 13G/A | 2008-07-10 | FMR LLC | WEIGHT WATCHERS INTERNATIONAL INC | 2,530,522 | 3.2% | EDGAR |
SC 13G/A | 2008-06-13 | DELAWARE MANAGEMENT HOLDINGS CO INC | WEIGHT WATCHERS INTERNATIONAL INC | 7,911,531 | 10.0% | EDGAR |
SC 13G/A | 2008-02-14 | FMR LLC | WEIGHT WATCHERS INTERNATIONAL INC | 7,880,250 | 9.9% | EDGAR |
SC 13G/A | 2008-02-11 | MORGAN STANLEY | WEIGHT WATCHERS INTERNATIONAL INC | 7,973,369 | 10.0% | EDGAR |
SC 13G | 2008-02-11 | MORGAN STANLEY | WEIGHT WATCHERS INTERNATIONAL INC | 7,374,657 | 9.3% | EDGAR |
SC 13G/A | 2008-02-08 | DELAWARE MANAGEMENT HOLDINGS CO INC | WEIGHT WATCHERS INTERNATIONAL INC | 8,035,211 | 10.1% | EDGAR |
SC 13G/A | 2007-04-12 | DELAWARE MANAGEMENT BUSINESS TRUST | WEIGHT WATCHERS INTERNATIONAL INC | 8,247,931 | 10.5% | EDGAR |
SC 13G/A | 2007-04-12 | DELAWARE MANAGEMENT HOLDINGS CO INC | WEIGHT WATCHERS INTERNATIONAL INC | 8,247,931 | 10.5% | EDGAR |
SC 13G/A | 2007-04-10 | FMR CORP | WEIGHT WATCHERS INTERNATIONAL INC | 9,326,632 | 11.9% | EDGAR |
SC 13G | 2007-02-14 | FMR CORP | WEIGHT WATCHERS INTERNATIONAL INC | 8,240,910 | 8.5% | EDGAR |
SC 13G/A | 2007-02-13 | AMERICAN CENTURY INVESTMENT MANAGEMENT INC | WEIGHT WATCHERS INTERNATIONAL INC | 0 | - | EDGAR |
SC 13G/A | 2007-02-07 | DELAWARE MANAGEMENT HOLDINGS CO INC | WEIGHT WATCHERS INTERNATIONAL INC | 8,795,625 | 9.0% | EDGAR |
SC 13D/A | 2007-02-02 | WESTEND SA | WEIGHT WATCHERS INTERNATIONAL INC | 43,247,893 | 55.2% | EDGAR |
SC 13D/A | 2006-12-19 | WESTEND SA | WEIGHT WATCHERS INTERNATIONAL INC | 53,759,325 | 55.2% | EDGAR |
SC 13D/A | 2006-03-15 | WESTEND SA | WEIGHT WATCHERS INTERNATIONAL INC | 54,265,825 | 54.0% | EDGAR |
SC 13G/A | 2006-02-14 | AMERICAN CENTURY INVESTMENT MANAGEMENT INC | WEIGHT WATCHERS INTERNATIONAL INC | 5,810,011 | - | EDGAR |