Madrona Financial Services LLC boosted its holdings in Innovator S&P Investment Grade Preferred ETF (BATS:EPRF – Free Report) by 7.9% during the 4th quarter, HoldingsChannel reports. The institutional investor owned 23,169 shares of the company’s stock after buying an additional 1,698 shares during the quarter. Madrona Financial Services LLC’s holdings in Innovator S&P Investment Grade […]