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
0.753%
12M weight contribution
+0.155 pp
3M weight contribution
-0.031 pp
12M price return
+13.1%
Share of matched S&P 500 members
Monthly observations through May 2025
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 |
|---|---|---|---|---|---|
| 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 |
| Jun 2024 | $311.0bn | 0.583% | +0.054 pp | +42.7% | No |
| May 2024 | $312.7bn | 0.598% | +0.051 pp | +48.5% | No |
| Apr 2024 | $289.4bn | 0.838% | +0.047 pp | +30.4% | Yes |
| Mar 2024 | $298.5bn | 0.828% | +0.047 pp | +36.8% | Yes |
| Feb 2024 | $271.8bn | 0.779% | -0.186 pp | +4.5% | Yes |
| Jan 2024 | $269.1bn | 0.800% | -0.174 pp | -1.2% | Yes |
| Dec 2023 | $266.5bn | 0.795% | -0.164 pp | +4.8% | Yes |
| Nov 2023 | $241.3bn | 0.752% | -0.278 pp | -16.5% | Yes |
| Oct 2023 | $208.4bn | 0.709% | -0.317 pp | -24.8% | Yes |
| Sep 2023 | $217.6bn | 0.727% | -0.227 pp | -6.7% | Yes |
| Aug 2023 | $227.8bn | 0.726% | -0.241 pp | -11.7% | Yes |
| Jul 2023 | $254.3bn | 0.554% | -0.379 pp | -2.8% | No |
| Jun 2023 | $228.6bn | 0.529% | -0.447 pp | -5.3% | 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.