0002119219 2026-07-29 2026-07-29 0002119219 CACTSX:SAndPDividendAristocratsSelect25StrategyPortfolioSeries44Member 2026-07-29 2026-07-29 0002119219 CACTSX:Us50DividendStrategyPortfolioSeries49Member 2026-07-29 2026-07-29 true 0002119219 0002119219 2026-07-29 1 S-6 Guggenheim Defined Portfolios, Series 2605 Under normal circumstances, the trust invests at least 80% of the value of its assets in common stocks that are included in the S&amp;P 500 Dividend Aristocrats Index (the “<i>Index</i>”). The Index is comprised of companies within the S&amp;P 500 that have followed a managed dividends policy of consistently increasing dividends every year for at least 25 years. As of July 22, 2026, the Index included securities with market capitalization ranges from approximately $6.5 billion to $878 billion. Under normal circumstances, the trust invests at least 80% of the value of its assets in dividend-paying common stocks of U.S. companies.