Billionaire Ken Griffin pays $45 million on an NYC condo. Jackie Kennedy Onassis once lived in the same building as a child.
Citadel CEO Ken Griffin already holds the record for the most expensive home purchase in Manhattan and just added to his ...
Ken Griffin revealed as buyer of Julia Koch’s 740 Park Avenue co-op
Socialite Julia Koch sold the 18-room spread in Lenox Hill earlier this month for $45 million to the Citadel founder.