Abrdn Healthcare Investors is a closed-end equity fund, stewarded by abrdn Inc. Its mandate involves global public equity investments, specifically targeting the healthcare sector, encompassing businesses in biotechnology, medical devices, and pharmaceuticals. The primary focus is on high-growth, small-capitalization companies. The portfolio is constructed using a fundamental analysis approach, scrutinizing companies based on their current or projected market position for products and services, the experience of their management teams, their technological prowess, and their capability to either self-fund growth or secure external financing. Its performance is measured against several benchmarks: the NASDAQ Biotechnology Index, the S&P 500 Index, and the S&P 1500 Healthcare Index. Established on October 31, 1986, the fund is domiciled in the United States.