Billionaire David Tepper of Appaloosa Tripled His Stake in Micron but Has Been Dumping a Historically Cheap AI Stock Over the Last Year

Roughly one month ago, on Feb. 17, institutional investors with at least $100 million in assets under management were required to file Form 13F with the Securities and Exchange Commission. This formal-sounding filing provides investors with a way to track which stocks Wall Street's savviest money managers bought and sold in the latest quarter (in this case, the fourth quarter).Billionaire David Tepper of Appaloosa is among the most-followed and successful fund managers. During the fourth quarter, Tepper tri ...