As of 20 April.
https://blueenergy.com.au/top-20-shareholders
As best as I can ascertain comparing to 2017 Financial Statements major movers are:
Increase holdings
Citicorp Nominees now 25m 2.17%- prev. 14m 1.22%
Horrie Pty now 15m 1.31%- prev. 14m 1.22%
Mr Clement Hodda now 6.5m 0.57% - prev. not in top 20
Reduce holdings
National Nominees now 15m 1.35% - prev 19m 1.67%
BT Portfolio Serv. now not in top 20 - prev. 13m 1.14%
Lyric-Pasan now not in top 20 - prev. 10m 0.88%
Three or four others with some movement but not material.