hi,i assume todays change in holdings ann. was for shares bought...

hi,i assume todays change in holdings ann. was for shares bought over a period of time and not today?..today macquarie were net buyers of 48,000 shares buying 1,368,167 and selling 1,320,126...ubs warburg were net buyers of 499,075 buying 1,323,689 and selling 824,614 .....salomon smith barney were net sellers of 15,953 buying 478,370 and selling 494,323.....these were the main traders in SGW today