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Waters Corporation
WAT · United States · Life Sciences Tools & Services · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.041%
12M weight contribution
-0.004 pp
3M weight contribution
+0.005 pp
12M price return
+8.2%
Share of matched S&P 500 members
Monthly observations through Oct 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 |
|---|---|---|---|---|---|
| Oct 2025 | $20.8bn | 0.041% | -0.004 pp | +8.2% | Yes |
| Sep 2025 | $17.8bn | 0.036% | -0.014 pp | -16.7% | No |
| Aug 2025 | $18.0bn | 0.037% | -0.012 pp | -12.9% | No |
| Jul 2025 | $17.2bn | 0.036% | +0.000 pp | -14.1% | No |
| Jun 2025 | $20.8bn | 0.045% | +0.013 pp | +20.3% | No |
| May 2025 | $20.8bn | 0.047% | +0.012 pp | +13.1% | No |
| Apr 2025 | $20.7bn | 0.050% | -0.003 pp | +12.5% | No |
| Mar 2025 | $21.9bn | 0.052% | -0.005 pp | +7.1% | Yes |
| Feb 2025 | $22.4bn | 0.050% | -0.007 pp | +11.8% | Yes |
| Jan 2025 | $24.7bn | 0.055% | -0.001 pp | +30.8% | Yes |
| Dec 2024 | $22.0bn | 0.050% | -0.008 pp | +12.7% | Yes |
| Nov 2024 | $22.8bn | 0.050% | -0.001 pp | +37.1% | Yes |
| Oct 2024 | $19.2bn | 0.045% | -0.003 pp | +35.5% | Yes |
| Sep 2024 | $21.4bn | 0.050% | -0.004 pp | +31.2% | Yes |
| Aug 2024 | $20.6bn | 0.050% | -0.003 pp | +23.3% | Yes |
| Jul 2024 | $20.0bn | 0.036% | +0.000 pp | +21.7% | No |
| Jun 2024 | $17.2bn | 0.032% | -0.004 pp | +8.8% | No |
| May 2024 | $18.3bn | 0.035% | -0.002 pp | +23.0% | No |
| Apr 2024 | $18.3bn | 0.053% | -0.007 pp | +2.9% | No |
| Mar 2024 | $20.4bn | 0.057% | -0.006 pp | +11.2% | Yes |
| Feb 2024 | $20.0bn | 0.057% | -0.007 pp | +8.5% | Yes |
| Jan 2024 | $18.8bn | 0.056% | -0.011 pp | -3.3% | Yes |
| Dec 2023 | $19.5bn | 0.058% | -0.015 pp | -3.9% | Yes |
| Nov 2023 | $16.6bn | 0.052% | -0.018 pp | -19.0% | 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.