I have no idea, as I used to keep track of who owned what and such in altcoins, but don't anymore.  GS probably knew ETH was a dud from reading posts from me + Anonymint back in the day but pumped it anyway because there was lots of greater fool ETH cultists to dump on.  Maybe they dumped it all already except for a little bit and have no motivation to screw with it anymore.  The only other person I know of who kept track of stuff like that who apparently had the same numbers and information as me is: