Ann: Pause in Trading, page-43

From the 2017 Annual Report the top 20 list. Looks like the top 20 account for about 38% of the stock. Apologies in advance if the formatting isn't great, HotCopper doesn't like cut/paste with TABS.

(d) Twenty largest holders of quoted equity securities are as at 21 September 2017:

HSBC Custody Nominees (Australia) Limited 18,077,457 6.65
IBT Holdings Pty Ltd 14,054,134 5.13
Canyon Incentive Trust Pty Ltd 11,000,000 4.05
Altus Strategies Ltd 8,000,000 2.94
Zero Nominees Pty Ltd 7,280,158 2.68
SISU International Pty Ltd 5,301,652 1.95
Christopher, Adrian & Sascha Squiers 4,384,095 1.61
Widerange Corporation Pty Ltd 3,425,569 1.26
Goodheart Pty Ltd 3,155,241 1.16
Dion Roberts 2,900,000 1.07
David Coveney 2,876,000 1.06
Richsham Nominess Pty Ltd 2,850,000 1.05
TR Nominess Pty Ltd 2,795,067 1.03
Michael Parish 2,606,167 0.96
Glenda Elizabeth Brown 2,530,737 0.93
Alitime Nominees Pty Ltd 2,500,000 0.92
Quartz Mountain Mining Pty Ltd 2,500,000 0.92
Sanperez Pty Ltd 2,316,768 0.85
Barclay Wells Pty Ltd 2,250,000 0.83
Total 103,283,045 38.00