 Nuveen Asset Management LLC boosted its holdings in shares of Amplify Energy Corp NASDAQ:AMPY by 86.5 during the 1st quarter, HoldingsChannel.com reports. The institutional investor owned 82,552 shares of the companys stock after acquiring an additional 38,293 shares during the quarter. Nuveen Asset Management LLCs holdings in Amplify Energy were worth 47,000 as of its ... 