http://pensionpulse.blogspot.com/2011/03/have-hedge-funds-grown-too-large.html
"One hedge fund executive told Reuters his firm's flagship fund, once several billion dollars in size, used to break up trades between a number of brokers or initially sell a small amount of the stock -- which could give the market the impression it planned to sell more -- before buying heavily."
I guess this goes with the old adage, what's your edge?