Southern Co
A utility holding company based in Atlanta that generates and delivers electricity and natural gas across the southeastern United States through subsidiaries including Alabama Power, Georgia Power, and Mississippi Power. It was incorporated in 1945 as a successor to the Commonwealth & Southern conglomerate, taking its name from its Southern service territory. It operates Plant Vogtle, the largest nuclear power plant in the country and the only one with four working reactors.
Estimated from filings — the split-adjusted price range over the quarters each manager built the position. A range, not a fill price; 13F reports a quarter-end snapshot, not a trade date.