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IDEX Corporation
IEX · United States · Industrial Machinery & Supplies & Components · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.026%
12M weight contribution
-0.010 pp
3M weight contribution
+0.002 pp
12M price return
-13.7%
Share of matched S&P 500 members
Monthly observations through Dec 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 |
|---|---|---|---|---|---|
| Dec 2025 | $13.3bn | 0.026% | -0.010 pp | -13.7% | Yes |
| Nov 2025 | $13.0bn | 0.026% | -0.013 pp | -23.4% | No |
| Oct 2025 | $12.8bn | 0.025% | -0.013 pp | -18.9% | No |
| Sep 2025 | $12.3bn | 0.025% | -0.013 pp | -23.0% | No |
| Aug 2025 | $12.4bn | 0.026% | -0.012 pp | -19.2% | No |
| Jul 2025 | $12.3bn | 0.026% | -0.002 pp | -20.5% | No |
| Jun 2025 | $13.3bn | 0.029% | +0.000 pp | -11.5% | No |
| May 2025 | $13.7bn | 0.031% | +0.001 pp | -12.1% | No |
| Apr 2025 | $13.2bn | 0.032% | -0.017 pp | -20.1% | No |
| Mar 2025 | $13.7bn | 0.033% | -0.019 pp | -24.9% | No |
| Feb 2025 | $14.7bn | 0.033% | -0.018 pp | -16.5% | No |
| Jan 2025 | $17.0bn | 0.038% | -0.010 pp | +7.4% | Yes |
| Dec 2024 | $15.8bn | 0.036% | -0.013 pp | -2.4% | No |
| Nov 2024 | $17.5bn | 0.039% | -0.009 pp | +15.8% | Yes |
| Oct 2024 | $16.3bn | 0.038% | -0.011 pp | +13.6% | Yes |
| Sep 2024 | $16.2bn | 0.038% | -0.015 pp | +4.4% | Yes |
| Aug 2024 | $15.6bn | 0.038% | -0.017 pp | -7.6% | Yes |
| Jul 2024 | $15.8bn | 0.028% | -0.009 pp | -6.5% | No |
| Jun 2024 | $15.2bn | 0.029% | -0.009 pp | -5.4% | No |
| May 2024 | $15.8bn | 0.030% | -0.007 pp | +6.4% | No |
| Apr 2024 | $16.7bn | 0.048% | -0.004 pp | +8.2% | No |
| Mar 2024 | $18.5bn | 0.051% | -0.008 pp | +6.9% | Yes |
| Feb 2024 | $17.8bn | 0.051% | -0.009 pp | +6.1% | Yes |
| Jan 2024 | $16.0bn | 0.048% | -0.014 pp | -10.7% | 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.