Observatory · observe first
A. O. Smith
AOS · United States · Building Products · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.007%
12M weight contribution
-0.004 pp
3M weight contribution
-0.003 pp
12M price return
+3.0%
Share of matched S&P 500 members
Monthly observations through Mar 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 |
|---|---|---|---|---|---|
| Mar 2026 | $5.0bn | 0.007% | -0.004 pp | +3.0% | No |
| Feb 2026 | $5.9bn | 0.008% | -0.003 pp | +19.7% | No |
| Jan 2026 | $5.6bn | 0.011% | -0.001 pp | +11.4% | Yes |
| Dec 2025 | $5.1bn | 0.010% | -0.002 pp | +0.1% | No |
| Nov 2025 | $5.0bn | 0.010% | -0.003 pp | -9.6% | No |
| Oct 2025 | $5.0bn | 0.010% | -0.004 pp | -10.3% | No |
| Sep 2025 | $5.6bn | 0.011% | -0.005 pp | -16.7% | No |
| Aug 2025 | $5.4bn | 0.011% | -0.004 pp | -13.2% | No |
| Jul 2025 | $5.4bn | 0.011% | -0.000 pp | -15.1% | No |
| Jun 2025 | $5.0bn | 0.011% | -0.001 pp | -18.3% | No |
| May 2025 | $4.9bn | 0.011% | -0.001 pp | -21.7% | No |
| Apr 2025 | $5.1bn | 0.012% | -0.006 pp | -16.6% | Yes |
| Mar 2025 | $4.9bn | 0.012% | -0.007 pp | -25.7% | No |
| Feb 2025 | $5.0bn | 0.011% | -0.007 pp | -18.4% | No |
| Jan 2025 | $5.1bn | 0.011% | -0.006 pp | -11.8% | No |
| Dec 2024 | $5.2bn | 0.012% | -0.007 pp | -15.9% | No |
| Nov 2024 | $5.6bn | 0.012% | -0.005 pp | +0.4% | No |
| Oct 2024 | $5.7bn | 0.013% | -0.005 pp | +9.4% | Yes |
| Sep 2024 | $6.8bn | 0.016% | -0.001 pp | +38.1% | Yes |
| Aug 2024 | $6.3bn | 0.015% | -0.002 pp | +17.4% | Yes |
| Jul 2024 | $6.4bn | 0.012% | -0.000 pp | +19.0% | No |
| Jun 2024 | $6.2bn | 0.012% | -0.001 pp | +14.2% | No |
| May 2024 | $6.3bn | 0.012% | +0.000 pp | +33.0% | No |
| Apr 2024 | $6.3bn | 0.018% | +0.001 pp | +23.3% | 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.