The ten largest companies added 1.1 percentage points of the S&P 500's 8.5% rise over the past year
The rest of the index added 7.4 · the ten are 39% of the index today, 30% five years ago (the line) · points of the index's return · the five that added most, weights from SPY's holdings rolled back by price moves
Companies/Indices · Companies · S&P Dow Jones Indices, State Street SPY holdings · 5 Nov 2026