Teradyne, Inc. (NYSE: TER ) investors should pay attention to an increase in activity from the world's largest hedge funds in recent months. TER was in 27 hedge funds' portfolios at the end of the second quarter of 2019. There were 24 hedge funds in our database with TER positions at the end of the previous quarter. Our calculations also showed that TER isn't among the 30 most popular stocks among hedge funds (view the video below). Video: Click the image to watch our video about the top 5 most popular hedge fund stocks.