According to @EricBalchunas, passive funds gained 1.4 percentage points of market share in 2025 to reach 54% overall, comprising roughly 60% on the equity side and 40% on the fixed-income side, source: @EricBalchunas on X, Jan 8, 2026. According to @EricBalchunas citing analysis by @JSeyff, the slower pace of passive share gains was driven by a bull market subsidy and genuine growth from active strategies, particularly in active ETFs, fixed income, and buffer strategies, source: @EricBalchunas on X, Jan 8, 2026; analysis referenced from @JSeyff.