To get the latest info on shareholders, go to Link Market Services Ltd, Sydney, pay a fee and obtain an extract of the top 20 shareholders.
Alternatively the last disclosed list in the 2009 annual report (produced as at 5/8/09) is found on the last page of the document as per
link:
http://www.biota.com.au/uploaded/154/1021547_492009preliminaryfinalrep.pdf