Billionaire stock picks are not necessarily the ones that most investors should choose. One of billionaire Stanley Druckenmiller's more notable stock positions is a stake in Coupang (CPNG -0.04%). The fund of his Duquesne Family Office initially acquired shares in the company in the first quarter of 2021, adding to the position multiple times within the next three years. Although Duquesne sold over 455,000 shares in the first quarter of 2024, it still retains nearly 24.5 million shares. That makes up 9% of ...