Observatory · observe first
Steris
STE · United States · Health Care Equipment · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.051%
12M weight contribution
+0.004 pp
3M weight contribution
+0.001 pp
12M price return
+22.5%
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 | $26.1bn | 0.051% | +0.004 pp | +22.5% | Yes |
| Oct 2025 | $23.2bn | 0.045% | -0.006 pp | +7.3% | No |
| Sep 2025 | $24.4bn | 0.049% | -0.007 pp | +3.1% | No |
| Aug 2025 | $24.1bn | 0.050% | -0.007 pp | +2.7% | No |
| Jul 2025 | $22.3bn | 0.047% | +0.005 pp | -4.2% | No |
| Jun 2025 | $23.6bn | 0.051% | +0.010 pp | +10.5% | No |
| May 2025 | $24.1bn | 0.055% | +0.013 pp | +11.1% | Yes |
| Apr 2025 | $22.1bn | 0.053% | -0.006 pp | +11.0% | Yes |
| Mar 2025 | $22.3bn | 0.053% | -0.009 pp | +1.8% | Yes |
| Feb 2025 | $21.5bn | 0.048% | -0.018 pp | -4.9% | No |
| Jan 2025 | $21.8bn | 0.048% | -0.016 pp | +1.7% | No |
| Dec 2024 | $20.3bn | 0.046% | -0.019 pp | -5.6% | No |
| Nov 2024 | $21.6bn | 0.048% | -0.014 pp | +10.1% | No |
| Oct 2024 | $21.9bn | 0.051% | -0.019 pp | +6.7% | Yes |
| Sep 2024 | $23.9bn | 0.056% | -0.017 pp | +11.6% | Yes |
| Aug 2024 | $23.8bn | 0.057% | -0.015 pp | +6.0% | Yes |
| Jul 2024 | $23.6bn | 0.042% | -0.006 pp | +6.9% | No |
| Jun 2024 | $21.7bn | 0.041% | -0.011 pp | -1.5% | No |
| May 2024 | $22.0bn | 0.042% | -0.007 pp | +12.5% | No |
| Apr 2024 | $20.2bn | 0.059% | -0.005 pp | +9.5% | No |
| Mar 2024 | $22.2bn | 0.062% | -0.003 pp | +18.6% | No |
| Feb 2024 | $23.0bn | 0.066% | +0.000 pp | +25.0% | No |
| Jan 2024 | $21.6bn | 0.064% | -0.006 pp | +7.1% | No |
| Dec 2023 | $21.7bn | 0.065% | -0.002 pp | +20.2% | 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.