Tekla World Healthcare Fund is a diversified closed-end management investment company. Its investment objective is to seek current income and long-term capital appreciation through investments in U.S. and non-U.S. companies engaged in the healthcare industry. The company's investment portfolio comprises investments in different sub-sectors such as pharmaceuticals and biotechnology, healthcare providers and services, real estate investment trusts, medical devices and diagnostics, and other areas. It also male into REIT Real Estate.