I have been doing some analysis of the changes in top 20...

I have been doing some analysis of the changes in top 20 shareholders between 2016 and 2015 with the following result:

	Column 1	Column 2	Column 3	Column 4	Column 5
0		12-Sep-16	15-Sep-15	Difference	Notes
1	Jardvan Pty Ltd	29,801,030	29,801,030		Note 1
2	HSBC Custody Nominees (Australia) Limited	20,511,723	29,620,163	-9,108,440	Note 2
3	Majenta Holdings Pty Ltd	5,703,923	5,703,923		Note 3
4	Mr Paul Cozzi	4,800,000	2,000,000	2,800,000
5	Polly Pty Ltd	4,073,863	4,073,863
6	J P Morgan Nominees Australia Limited	4,319,093	3,951,216	367,877
7	Citicorp Nominees Pty Limited	3,529,036	3,347,512	181,524
8	National Nominees Limited	3,079,351	3,162,367	-83,016
9	Throvena Pty Ltd	2,978,203	2,978,203
10	Hamlac Pty Ltd	2,525,937	2,525,937
11	Mr Christopher David Wilks	2,405,070	2,405,070		Note 4
12	Felson Holdings Pty Ltd	2,251,000	1,000,000	1,251,000
13	Quintal Pty Ltd	2,002,952	2,002,952
14	Sporran Lean Pty Ltd	1,650,000		1,650,000	Note 5
15	Old Digger Pty Ltd	1,145,000		1,145,000	Note 5
16	Quadrangle Nominees Limited	847,245	847,245
17	Mithena Holdings Pty Ltd	817,139	817,139
18	Mr Xiangyang Wu	685,655		685,655	Note 5
19	Mr Luca Rotter + Ms Jane Louise Abbott	655,000		655,000	Note 5
20	Hillboi Nominees Pty Ltd	651,295	605,000	46,295
21	Total	94,432,515	94,841,620	-409,105

Notes
1. The family company of Michael Boyd, 23% shareholder (and founder) in Sonic Healthcare Ltd (Barry Paterson is also involved). See following link for details of Mike Boyd
2. Must include Prudential Plc (M&G Group) 12,786,07 (2016)/17,050,000 (2015) & Global X Management Company (ETF - sold 19/11/15) 12,086,216 (2015). MG have sold a further 3,679,309 since 15/9/2016
3.This is Mike Goldworthy who additionally has 230,289 direct shares
4. Old director also has 388 951 in beneficial company's
5. New to top 20

Shareholder that have dropped out of top 20 since 2015 are (they may still have shares below top 20):

	Column 1	Column 2
0		Shares in 2015
1	CS Fourth Nominees Pty Ltd	1,292,092
2	UBS Wealth Management Australia Nominees Pty Ltd	765,045
3	Mr Peter James Thomas + Ms Helen Thomas	627,000
4	Mr Robert Bradfield	540,000