WESCO International, Inc. (NYSE:WCC) is one of the 15 Best Stocks to Buy According to Billionaire Seth Klarman. WESCO International, Inc. (NYSE:WCC) has been a consistent feature in the 13F portfolio of Baupost Group since the first quarter of 2024. Back then, this position comprised just over 200,000 shares. In the subsequent quarters and years, Baupost added to this stake, growing it to more than 2.2 million shares at one point in 2025. However, it has trimmed the holding following this high, decreasing ...