Bridgewater Associates, The World's Biggest Hedge Fund Firm, Is All About ETFs By: Benzinga via Benzinga May 18, 2015 at 06:50 AM EDT Ray Dalio’s Bridgewater Associates is the world's biggest hedge fund firm, managing roughly $160 million in assets. ... Read More >> Related Stocks: Apple Bio-Techne Corp Coca-Cola Company Emrg Mkts Ishares MSCI ETF FTSE EM ETF Vanguard SPDR S&P 500 ETF Trust United States Steel Corp