Observatory · observe first
Boeing
BA · United States · Aerospace & Defense · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.282%
12M weight contribution
+0.070 pp
3M weight contribution
-0.086 pp
12M price return
+21.6%
Share of matched S&P 500 members
Monthly observations through Nov 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 |
|---|---|---|---|---|---|
| Nov 2025 | $143.7bn | 0.282% | +0.070 pp | +21.6% | No |
| Oct 2025 | $152.8bn | 0.299% | +0.082 pp | +34.6% | No |
| Sep 2025 | $163.2bn | 0.327% | +0.109 pp | +42.0% | No |
| Aug 2025 | $177.5bn | 0.368% | +0.109 pp | +35.1% | Yes |
| Jul 2025 | $167.7bn | 0.354% | +0.143 pp | +16.4% | Yes |
| Jun 2025 | $158.0bn | 0.341% | +0.131 pp | +15.1% | Yes |
| May 2025 | $156.3bn | 0.354% | +0.146 pp | +16.7% | Yes |
| Apr 2025 | $138.2bn | 0.332% | +0.033 pp | +9.2% | Yes |
| Mar 2025 | $127.9bn | 0.304% | -0.023 pp | -11.6% | Yes |
| Feb 2025 | $131.0bn | 0.293% | -0.063 pp | -14.3% | Yes |
| Jan 2025 | $109.1bn | 0.243% | -0.140 pp | -16.4% | Yes |
| Dec 2024 | $109.4bn | 0.248% | -0.222 pp | -32.1% | Yes |
| Nov 2024 | $96.1bn | 0.212% | -0.225 pp | -32.9% | No |
| Oct 2024 | $92.3bn | 0.217% | -0.167 pp | -20.1% | No |
| Sep 2024 | $93.7bn | 0.218% | -0.168 pp | -20.7% | No |
| Aug 2024 | $107.1bn | 0.259% | -0.172 pp | -22.4% | Yes |
| Jul 2024 | $117.4bn | 0.210% | -0.104 pp | -20.2% | No |
| Jun 2024 | $111.7bn | 0.209% | -0.084 pp | -13.8% | No |
| May 2024 | $109.0bn | 0.208% | -0.097 pp | -13.7% | No |
| Apr 2024 | $103.0bn | 0.298% | -0.122 pp | -18.8% | No |
| Mar 2024 | $117.8bn | 0.327% | -0.107 pp | -9.2% | No |
| Feb 2024 | $124.3bn | 0.356% | -0.068 pp | +1.1% | No |
| Jan 2024 | $128.8bn | 0.383% | -0.053 pp | -0.9% | No |
| Dec 2023 | $157.7bn | 0.470% | +0.061 pp | +36.8% | Yes |
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.