Asset managers continue to raise the bar on sustainable investing despite the recent ESG backlash in the United States, according to the latest findings from Isio’s Sustainable Investment Survey, which reviewed more than 140 funds from approximately 65 asset managers.
Isio found almost all (97 percent) asset managers have an established ESG policy and dedicated sustainability teams in place despite high-profile withdrawals from climate initiatives and concerns around fund labeling.
Isio’s research evaluates ESG integration across asset classes, exploring developments in investment approach, risk management, stewardship, reporting and collaboration, using its proprietary Sustainability Integration Assessments. Isio found overall levels of ESG integration remain robust at the firm level, with more asset managers committing to the U.K. Stewardship Code (69 percent in 2025 versus 65 percent in 2024) and net-zero plans (65 percent in 2025 versus 58 percent in 2