None of them have to advise because they don't hold the necessary voting power to be classified as a "substantial holder". "Top 20" and "substantial holder" are not the same thing.
Week 44 Wrap: Relatively boring week ahead of US election; HotCopper's most watched; Oz inflation at 3.5%
MKT The ASX can overlook its Telecomm small-caps. Here’s one diversified brand with an international footprint