buying and selling – Why do large wallets typically have repeated tiny (

Wanting round at some so-called ‘whales’ on the BTC richlist (in addition to different currencies) I see it’s fairly frequent a large pockets is repeatedly making miniscule transactions as little as a number of cents.
Simply the one I had open:
https://bitinfocharts.com/bitcoin/tackle/3LYJfcfHPXYJreMsASk2jkn69LWEYKzexb
On this case the 0.00000547 worth comes up many occasions. What does it signify when wallets have these type of micro-transactions?