Short Campaigns by Hedge Funds

Ian Appel and Vyacheslav Fos

The Review of Financial Studies, 2024, vol. 37, issue 5, 1460-1493

Abstract: The number of short campaigns by hedge funds has dramatically increased over the last two decades. Nearly 80% of campaigns are undertaken by activist hedge funds, particularly those that employ hostile tactics in their long campaigns. Short campaigns are associated with negative abnormal returns of –7%, with aggregate valuation effects similar in magnitude to the gains from long activism campaigns. In contrast to long campaigns, public communication is a critical component of short campaigns. We do not find evidence that such communication is manipulative. Overall, our analysis highlights the importance of short campaigns for understanding the economic impact of activist hedge funds.

Keywords: G23; G14; G30 (search for similar items in EconPapers)
Date: 2024
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