ソース:[1] Ken Griffin's $2 Billion Gamble: Is His 'Catalyst' Foundation the Future of American Philanthropy? (https://finance.yahoo.com/news/ken-griffins-2 ...)[2] Citadel's Griffin identifies six areas for future philanthropic efforts - Hedgeweek (https://vertexaisearch.cloud.google.com/groun ...)[3] Citadel's Boldest AI Portfolio Shift Of 2025 - 3 AI Stocks, Griffin Can't Stop Buying - YouTube (https://vertexaisearch.cloud.google.com/groun ...)