 Parametric Portfolio Associates LLC increased its position in shares of NetScout Systems, Inc. NASDAQ:NTCT by 24.4 in the 1st quarter, HoldingsChannel reports. The firm owned 246,903 shares of the technology companys stock after acquiring an additional 48,393 shares during the quarter. Parametric Portfolio Associates LLCs holdings in NetScout Systems were worth 5,844,000 at the end ... 