We read hedge fund investor letters and listen to stock pitches at hedge fund conferences (by the way watch this video if you want to hear one of the best healthcare hedge fund manager's coronavirus analysis). Our best call in 2020 was shorting the market when S&P 500 was trading at 3150 after realizing the coronavirus pandemic's significance before most investors. Now we're going to take a look at the latest hedge fund action encompassing AbbVie Inc (NYSE: ABBV ).