The 700+ hedge funds and money managers tracked by Insider Monkey have already compiled and submitted their 13F filings for the fourth quarter, which unveil their equity positions as of December 31. We went through these filings, fixed typos and other more significant errors and identified the changes in hedge fund positions. Our extensive review of these public filings is finally over, so this article is set to reveal the smart money sentiment towards NetScout Systems, Inc. (NASDAQ:NTCT). Is NetScout Systems, Inc. (NASDAQ:NTCT) undervalued? Hedge funds are buying. The number of long hedge fund bets rose by 2 lately.