Avantax Advisory Services Inc. boosted its holdings in First Trust Enhanced Short Maturity ETF (NASDAQ:FTSM – Free Report) by 3.0% during the 2nd quarter, according to the company in its most recent 13F filing with the Securities & Exchange Commission. The firm owned 296,336 shares of the company’s stock after buying an additional 8,505 shares during the period. Avantax Advisory Services Inc. owned approximately 0.28% of First Trust Enhanced Short Maturity ETF worth $17,742,000 as of its most recent SEC fil ...