When a 'real' major investor hits the road, then you will know something is misfiring in the play dead engine room.
Westpac reduced their holdings a few days ago.
Does Westpac count? It is also an ironic reality that as the share price of a large company declines, so too must it's weighting in the baskets of institutional shareholders. It all depends when they address their 're-weighting'. Some are more nimble than others.