Is KAR stock a buy? The best stock pickers were getting less optimistic. The number of long hedge fund positions went down by 14 in recent months. KAR Auction Services Inc (NYSE: KAR ) was in 27 hedge funds' portfolios at the end of December. The all time high for this statistic is 44. Our calculations also showed that KAR isn't among the 30 most popular stocks among hedge funds (click for Q4 rankings). There were 41 hedge funds in our database with KAR holdings at the end of September.