NBIE invests in large- and mid-cap companies located in developed markets outside the United States. Stock selection combines fundamental analysis with quantitative research to evaluate companies across multiple factors, including valuation, dividend income, financial quality, price momentum, market sentiment, risk levels, and growth potential. The strategy favors companies with balanced characteristics across several factors rather than relying on a single metric. Additionally, ESG considerations are also incorporated into the investment process, although the fund does not follow a dedicated sustainable or impact strategy. Investments include direct equities, depositary receipts such as ADRs, GDRs, and EDRs, as well as REITs and ETFs. Positions may be sold when a stocks expected return weakens, risks increase, or more attractive opportunities emerge.