The price of the fund -- whose biggest holdings are Apple Inc., Microsoft Corp., Amazon.com Inc., Facebook Inc. and Google parent Alphabet Inc. -- has declined almost 5 percent since Nov. 7.
Exchange-traded funds appeal to the short sellers because “they allow for the efficient expression of a view on a wide range of asset classes," IHS Markit said in a report.
With some very notable exceptions, all but a handful of these top-performing actively traded ETFs have struggled to return more than 7 percent so far this year.
