Duquesne Family Office's billionaire boss bid adieu to a "magnificent" stock and absolutely gobbled up shares of what had been a remarkably cheap media company.

For a lot of investors, earnings season is the pinnacle of each quarter. The six-week period where a majority of S&P 500 businesses report their operating results gives investors invaluable information on the health of the U.S. economy.

But earnings season isn't the only important data dump of the quarter. Aug. 14 marked the deadline for institutional investors with at least $100 million in assets under management to file Form 13F with the Securities and Exchange Commission. A 13F provides a concise snapshot for investors of which stocks the smartest investors on Wall Street bought and sold in the latest quarter.

Though War

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