Fiserv Inc. (FISV): Billionaire Seth Klarman More Than Doubles Stake

Fiserv, Inc. (NASDAQ:FISV) is one of the 15 Best Stocks to Buy According to Billionaire Seth Klarman. Fiserv, Inc. (NASDAQ:FISV) first appeared in the Baupost 13F portfolio at the end of the fourth quarter of 2021. Back then, the holding comprised over 3 million shares. Klarman then added to this holding, growing it to nearly 4 million shares in the next quarter. However, by the middle of 2023, this stake had been sold off completely. A new position was then opened in the second quarter of 2025, comprisin ...