GRX - Tekla World Healthcare Fund: High-Yield High-Expense Tax-Effective Fund December, 18 2020 02:56 PM The Gabelli Healthcare & Wellness Trust of Beneficial Interest THW is a non-diversified closed-end fund traded on the NYSE. Invests in equities as well as debt securities. One of the highest-yielding funds amongst peers with a TTM dividend yield of 8.96%. For further details see: Tekla World Healthcare Fund: High-Yield, High-Expense, Tax-Effective Fund