How Sustainability Works at MFS
At MFS, sustainable investing encompasses the integration of ESG factors into our investment process as well as active ownership through proxy voting and engagement. Our investment team relies on fundamental research and a long-term perspective to select companies that can produce durable returns throughout an economic cycle. This approach further integrates all material factors — including ESG topics — into the investment decision-making process.
All Angles
Follow the Money: Decoding AI’s Capital Stack
all angles.
Follow the Money: Decoding AI's Capital Stack
Sustainability Insights
The Hidden Capital: How Culture Shapes Performance
MFS Stewardship Report: Fourth Quarter 2025
Emerging Market Debt: Navigating ESG Risk and Uncertainty
Successful investors in emerging market debt must contend with complexity and uncertainty on several levels. We believe our integrated approach, plus our ability to identify and model material risk factors, enables us to better manage risk while focusing on capitalizing on investment opportunities.
Reports
Responsible Investing Policy Statement
How we help our clients achieve their investment goals by employing an investment approach that integrates environmental, social and corporate governance.
Policy on Cluster Munitions and Anti-Personnel Mines
This Policy prescribes the application of laws adopted by certain countries that are signatories to the United Nations Convention on Cluster Munitions.