Calamos Advisors LLC boosted its stake in Magellan Midstream Partners, L.P. (NYSE:MMP – Free Report) by 1,387.4% in the 2nd quarter, according to its most recent filing with the SEC. The fund owned 738,660 shares of the pipeline company’s stock after purchasing an additional 689,000 shares during the period. Calamos Advisors LLC owned about 0.37% […]