17 Best Sustainable Investment Funds Worth Looking at in 2026

14. FlexShares STOXX Global ESG Select Index Fund - Comprehensive Global ESG

The FlexShares STOXX Global ESG Select Index Fund provides comprehensive global exposure to companies with strong ESG characteristics through a sophisticated selection and weighting methodology that emphasizes quality and sustainability. This fund employs a multi-factor approach that considers not only ESG scores but also quality factors such as profitability, financial strength, and earnings quality to identify companies that are well-positioned for long-term success. The fund's global approach ensures diversification across developed and emerging markets while its quality focus helps identify companies with sustainable competitive advantages and strong management teams. The fund's methodology recognizes that sustainable investing is not just about avoiding negative impacts but also about identifying companies that are creating positive value through their ESG practices. In 2026, the fund has benefited from its focus on quality