{"meta": {"currentPage": 1, "pageCount": 1, "copyright": "LittleSis CC BY-SA 4.0", "license": "https://creativecommons.org/licenses/by-sa/4.0/", "apiVersion": "2.0"}, "data": [{"type": "entities", "id": 15052, "attributes": {"id": 15052, "name": "Ken Griffin", "blurb": "Citadel Investment president", "summary": "Opportunistic leader of chicago hedge fund outfit Citadel recently bought up battered portfolios from distressed funds Sowood and Amaranth. Also gave troubled online brokerage E-Trade a $2.6 billion boost. Founded Citadel with $4.6 million 1990. Today firm manages $20 billion. Last year flagship Kensington fund returned 32% net of fees. Bought Jasper Johns painting \"False Start\" for $80 million in 2006. ", "website": null, "parent_id": null, "primary_ext": "Person", "updated_at": "2026-03-16T11:54:46Z", "start_date": "1969-00-00", "end_date": null, "aliases": ["Ken Griffin", "Kenneth Cordele Griffin", "Kenneth Griffin"], "types": ["Person", "Business Person"], "extensions": {"Person": {"name_last": "Griffin", "name_first": "Kenneth", "name_middle": null, "name_prefix": null, "name_suffix": null, "name_nick": null, "birthplace": null, "gender_id": 2, "party_id": null, "is_independent": null, "net_worth": 3700000000, "name_maiden": null, "nationality": []}, "BusinessPerson": {"sec_cik": null}}, "tags": ["iapd"]}, "links": {"self": "https://littlesis.org/entities/15052-Ken_Griffin"}}]}