0002119457 2026-08-05 2026-08-05 true 0002119457 0002119457 2026-08-05 1 S-6 S-6 Guggenheim Defined Portfolios, Series 2615 Under normal circumstances, the trust invests at least 80% of the value of its assets in common shares of closed-end investment companies (“<i>Closed-End Funds</i>”) that invest substantially all of their assets in tax-free municipal bonds, which are rated investment-grade by at least one nationally recognized statistical rating organization.