The John Hancock Tax-Advantaged Dividend Income Fund operates as a closed-end equity mutual fund, primarily overseen by John Hancock Investment Management LLC, with shared co-management responsibilities alongside John Hancock Asset Management and Analytic Investors, LLC. This fund strategically invests in publicly traded U.S. equities, seeking opportunities across a variety of sectors, but with a particular emphasis on the utilities industry. A cornerstone of its investment approach is the acquisition of common and preferred stocks that provide dividend income qualifying for preferential long-term capital gains tax rates. The fund's portfolio includes companies spanning diverse market capitalizations. Its performance is benchmarked against a composite index, consisting of a 55% weighting to the Bank of America Merrill Lynch Preferred Stock DRD Eligible Index and a 45% weighting to the S&P 500 Utilities Index. The fund was established on February 27, 2004, and is based in the United States.