nilremerlin -- comparisons of institutional holdings from your posts:
August 02 = 10,157,871 shares, 9.78% of O/S
August 11 = 8,215,536 shares, 7.91% of O/S
That is a net loss of 1,942,335 shares and 1.87%
The loss of % of institutional holdings equates to about a 20% drop.