Calamos Strategic Total Return Fund (the Fund) is a diversified, closed-end management investment company. The Fund’s investment objective is to provide total return through a combination of capital appreciation and current income. The Fund invests in a diversified portfolio of equities, convertible securities, and high yield securities. The Fund, under normal circumstances, will invest at least 50% of its managed assets in equity securities (including securities that are convertible into equity securities). The Fund may invest up to 35% of its...