The fund aims to achieve substantial long-term capital appreciation. Under normal circumstances, a minimum of 80% of its portfolio is allocated to equity holdings in global companies tied to the healthcare sector, as chosen by the sub-adviser, Wellington Management Company LLP. The fund adopts a comprehensive strategy for investing within this industry. Its potential investments span a wide array of health-related businesses, including those in pharmaceuticals, biotechnology, medical products, healthcare delivery, medical services, managed care, health information technology, and emerging health subsectors.