From that kind of list could be seen that the XYMs are in the Exchange though it has not yet devided XYMs to its customers' accounts.
You must choose the option "Rich list" in the drop-down menu at the right corner. Don't choose Recent option.
That link is too "dynamic" ...
I found this by trying: https://symbolnodes.org/richlist/
There seems to be few whales... who else will split their XYMs to several accounts, where are the same amounts: 51.000 M, 38.663 M.