Observatory · observe first
Martin Marietta Materials
MLM · United States · Construction Materials · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.042%
12M weight contribution
+0.042 pp
3M weight contribution
-0.028 pp
12M price return
+49.4%
Share of matched S&P 500 members
Monthly observations through Feb 2021
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 |
|---|---|---|---|---|---|
| Feb 2021 | $21.0bn | 0.042% | +0.042 pp | +49.4% | No |
| Jan 2021 | $17.9bn | 0.043% | -0.038 pp | +10.0% | No |
| Dec 2020 | $17.7bn | 0.072% | -0.014 pp | +2.6% | Yes |
| Nov 2020 | $16.5bn | 0.070% | -0.014 pp | -0.0% | Yes |
| Oct 2020 | $16.6bn | 0.079% | -0.007 pp | +2.7% | Yes |
| Sep 2020 | $14.7bn | 0.000% | -0.091 pp | -13.3% | No |
| Aug 2020 | $12.6bn | 0.000% | -0.086 pp | -19.3% | No |
| Jul 2020 | $12.9bn | 0.000% | -0.082 pp | -15.6% | No |
| Jun 2020 | $12.9bn | 0.000% | -0.078 pp | -9.4% | No |
| May 2020 | $12.0bn | 0.000% | -0.077 pp | -7.9% | No |
| Apr 2020 | $11.8bn | 0.066% | -0.011 pp | -13.5% | Yes |
| Mar 2020 | $11.8bn | 0.000% | -0.072 pp | -5.1% | No |
| Feb 2020 | $14.2bn | 0.000% | -0.068 pp | +22.5% | No |
| Jan 2020 | $16.5bn | 0.081% | +0.045 pp | +50.7% | No |
| Dec 2019 | $17.5bn | 0.086% | +0.047 pp | +64.2% | No |
| Nov 2019 | $16.8bn | 0.085% | +0.045 pp | +42.0% | Yes |
| Oct 2019 | $16.4bn | 0.085% | +0.049 pp | +54.4% | Yes |
| Sep 2019 | $17.1bn | 0.091% | +0.054 pp | +52.1% | Yes |
| Aug 2019 | $15.8bn | 0.086% | +0.046 pp | +28.9% | Yes |
| Jul 2019 | $15.5bn | 0.082% | +0.009 pp | +25.4% | Yes |
| Jun 2019 | $14.4bn | 0.078% | -0.008 pp | +4.0% | Yes |
| May 2019 | $13.2bn | 0.077% | -0.008 pp | -4.6% | Yes |
| Apr 2019 | $13.9bn | 0.077% | +0.002 pp | +15.0% | Yes |
| Mar 2019 | $12.6bn | 0.072% | -0.008 pp | -2.0% | 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.