TOP 100 will do everything in their power to preserve their privacy. Wouldn't you do the same?
Right now the only source for finding out the Bitcoin HNW and UHNW individuals may be rpietila's thread (not updated since April 2014, it seems):
https://bitcointalk.org/index.php?topic=316297.0I know it is not very accurate, but right now it is the only source which I can find here in Bitcointalk.