Willis Towers Watson Public Limited Company (NASDAQ:WTW) is one of the 15 Best Stocks to Buy According to Billionaire Seth Klarman. Willis Towers Watson Public Limited Company (NASDAQ:WTW) is a long-term holding of Baupost Group, having featured in the 13F portfolio of the fund consistently since early 2021. Back then, this holding comprised close to 2.5 million shares. Since then, however, Klarman has trimmed this stake. The filings for the fourth quarter of 2025 show that the fund owns 1.36 million shar ...