The selling fund dumping over last 3 months still has 23 mil...

The selling fund dumping over last 3 months still has 23 mil shares at last report, Seems an unusual dumping causing the devaluation of their own substantial holdings without any company announcing any profit slump. If they initiated the price collapse why not sell the lot but why in this fashion? Seems very odd or did they simply need some urgent cash. So question is do they intend to sell the rest at some time too and if so the price would be under pressure too. A retired someone I know sold some recently thru Comsec who did not try to change their mind to sell a stock yielding by now 14% . Why not? What is Comsec recommending with this stock?