Observatory · observe first
Bank of America
BAC · United States · Diversified Banks · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.703%
12M weight contribution
-0.066 pp
3M weight contribution
+0.193 pp
12M price return
+23.0%
Share of matched S&P 500 members
Monthly observations through Jun 2026
Company price index
A separate dimension from market allocation
Historical observations
Most recent 24 observations at or before the selected month
| Month | Market cap | Universe weight | 12M weight change | 12M return | Above 6M weight average |
|---|---|---|---|---|---|
| Jun 2026 | $404.4bn | 0.703% | -0.066 pp | +23.0% | Yes |
| May 2026 | $366.2bn | 0.635% | -0.119 pp | +19.6% | Yes |
| Apr 2026 | $383.7bn | 0.521% | -0.201 pp | +37.1% | No |
| Mar 2026 | $349.9bn | 0.509% | -0.244 pp | +19.4% | No |
| Feb 2026 | $357.6bn | 0.491% | -0.293 pp | +10.6% | No |
| Jan 2026 | $388.5bn | 0.743% | -0.047 pp | +17.6% | No |
| Dec 2025 | $401.6bn | 0.787% | +0.022 pp | +28.0% | Yes |
| Nov 2025 | $391.8bn | 0.770% | -0.035 pp | +15.6% | Yes |
| Oct 2025 | $390.3bn | 0.765% | +0.010 pp | +30.8% | Yes |
| Sep 2025 | $382.1bn | 0.765% | +0.048 pp | +33.1% | Yes |
| Aug 2025 | $375.8bn | 0.779% | +0.015 pp | +27.6% | Yes |
| Jul 2025 | $350.1bn | 0.738% | +0.178 pp | +20.1% | No |
| Jun 2025 | $356.4bn | 0.769% | +0.186 pp | +21.9% | Yes |
| May 2025 | $332.4bn | 0.753% | +0.155 pp | +13.1% | No |
| Apr 2025 | $300.4bn | 0.721% | -0.117 pp | +10.4% | No |
| Mar 2025 | $317.3bn | 0.753% | -0.075 pp | +12.8% | No |
| Feb 2025 | $350.6bn | 0.784% | +0.005 pp | +36.0% | Yes |
| Jan 2025 | $355.3bn | 0.790% | -0.010 pp | +39.6% | Yes |
| Dec 2024 | $337.2bn | 0.765% | -0.030 pp | +33.9% | Yes |
| Nov 2024 | $364.5bn | 0.804% | +0.052 pp | +58.9% | Yes |
| Oct 2024 | $320.9bn | 0.754% | +0.045 pp | +63.2% | Yes |
| Sep 2024 | $307.9bn | 0.717% | -0.010 pp | +49.0% | Yes |
| Aug 2024 | $316.2bn | 0.764% | +0.038 pp | +45.2% | Yes |
| Jul 2024 | $312.8bn | 0.561% | +0.006 pp | +29.7% | No |
Its weight is estimated market cap divided by the total estimated market cap of matched S&P 500 members for the month. This is not an official float-adjusted S&P index weight.