Observatory · observe first
Micron Technology
MU · United States · Semiconductors · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.239%
12M weight contribution
-0.025 pp
3M weight contribution
+0.006 pp
12M price return
-24.1%
Share of matched S&P 500 members
Monthly observations through May 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 |
|---|---|---|---|---|---|
| May 2025 | $105.6bn | 0.239% | -0.025 pp | -24.1% | Yes |
| Apr 2025 | $86.0bn | 0.206% | -0.156 pp | -31.6% | No |
| Mar 2025 | $97.1bn | 0.231% | -0.132 pp | -26.0% | No |
| Feb 2025 | $104.3bn | 0.233% | -0.053 pp | +3.8% | No |
| Jan 2025 | $101.7bn | 0.226% | -0.055 pp | +6.9% | No |
| Dec 2024 | $93.8bn | 0.213% | -0.068 pp | -1.0% | No |
| Nov 2024 | $108.6bn | 0.240% | -0.021 pp | +29.2% | No |
| Oct 2024 | $110.5bn | 0.260% | +0.010 pp | +49.7% | Yes |
| Sep 2024 | $115.0bn | 0.268% | +0.019 pp | +53.2% | No |
| Aug 2024 | $106.7bn | 0.258% | +0.014 pp | +38.3% | No |
| Jul 2024 | $121.8bn | 0.218% | +0.048 pp | +54.6% | No |
| Jun 2024 | $145.8bn | 0.273% | +0.114 pp | +109.6% | No |
| May 2024 | $138.4bn | 0.265% | +0.080 pp | +84.4% | No |
| Apr 2024 | $125.1bn | 0.362% | +0.124 pp | +76.5% | Yes |
| Mar 2024 | $130.5bn | 0.362% | +0.137 pp | +96.9% | Yes |
| Feb 2024 | $100.0bn | 0.287% | +0.065 pp | +57.8% | Yes |
| Jan 2024 | $94.7bn | 0.281% | +0.056 pp | +43.2% | Yes |
| Dec 2023 | $94.2bn | 0.281% | +0.084 pp | +71.9% | Yes |
| Nov 2023 | $83.6bn | 0.261% | +0.048 pp | +33.1% | Yes |
| Oct 2023 | $73.4bn | 0.250% | +0.041 pp | +24.6% | Yes |
| Sep 2023 | $74.5bn | 0.249% | +0.032 pp | +36.9% | Yes |
| Aug 2023 | $76.6bn | 0.244% | +0.021 pp | +24.8% | Yes |
| Jul 2023 | $78.2bn | 0.170% | -0.064 pp | +16.4% | No |
| Jun 2023 | $69.1bn | 0.160% | -0.080 pp | +15.1% | 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.