Observatory · observe first
Micron Technology
MU · United States · Semiconductors · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Latest available · not live
20182026
Universe weight
2.021%
12M weight contribution
+1.646 pp
3M weight contribution
-0.244 pp
12M price return
+537.6%
Share of matched S&P 500 members
Monthly observations through Sep 2026
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 |
|---|---|---|---|---|---|
| Sep 2026 | $1202.9bn | 2.021% | +1.646 pp | +537.6% | Yes |
| Aug 2026 | $1082.8bn | 1.803% | +1.527 pp | +706.9% | Yes |
| Jul 2026 | $929.5bn | 1.623% | +1.365 pp | +655.3% | Yes |
| Jun 2026 | $1303.7bn | 2.265% | +1.968 pp | +838.8% | Yes |
| May 2026 | $1095.0bn | 1.898% | +1.658 pp | +930.4% | Yes |
| Apr 2026 | $583.2bn | 0.791% | +0.585 pp | +573.7% | Yes |
| Mar 2026 | $381.0bn | 0.555% | +0.324 pp | +289.7% | No |
| Feb 2026 | $464.1bn | 0.637% | +0.404 pp | +341.9% | Yes |
| Jan 2026 | $467.0bn | 0.893% | +0.667 pp | +356.2% | Yes |
| Dec 2025 | $321.2bn | 0.629% | +0.417 pp | +240.2% | Yes |
| Nov 2025 | $265.4bn | 0.521% | +0.282 pp | +142.4% | Yes |
| Oct 2025 | $251.2bn | 0.492% | +0.232 pp | +125.5% | Yes |
| Sep 2025 | $187.3bn | 0.375% | +0.107 pp | +62.1% | Yes |
| Aug 2025 | $133.2bn | 0.276% | +0.018 pp | +24.2% | Yes |
| Jul 2025 | $122.1bn | 0.258% | +0.039 pp | -0.2% | Yes |
| Jun 2025 | $137.9bn | 0.297% | +0.024 pp | -5.9% | Yes |
| 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 |
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.