Observatory · observe first
Monolithic Power Systems
MPWR · United States · Semiconductors · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.083%
12M weight contribution
-0.027 pp
3M weight contribution
+0.011 pp
12M price return
-9.8%
Share of matched S&P 500 members
Monthly observations through Aug 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 |
|---|---|---|---|---|---|
| Aug 2025 | $40.0bn | 0.083% | -0.027 pp | -9.8% | Yes |
| Jul 2025 | $34.1bn | 0.072% | -0.003 pp | -16.9% | Yes |
| Jun 2025 | $35.0bn | 0.076% | +0.001 pp | -10.3% | Yes |
| May 2025 | $31.7bn | 0.072% | +0.003 pp | -9.3% | Yes |
| Apr 2025 | $28.4bn | 0.068% | -0.026 pp | -10.7% | Yes |
| Mar 2025 | $27.8bn | 0.066% | -0.026 pp | -13.7% | No |
| Feb 2025 | $29.8bn | 0.067% | -0.034 pp | -14.6% | No |
| Jan 2025 | $31.1bn | 0.069% | -0.017 pp | +6.5% | No |
| Dec 2024 | $28.9bn | 0.065% | -0.025 pp | -5.6% | No |
| Nov 2024 | $27.7bn | 0.061% | -0.021 pp | +4.1% | No |
| Oct 2024 | $37.0bn | 0.087% | +0.015 pp | +73.0% | Yes |
| Sep 2024 | $45.1bn | 0.105% | +0.031 pp | +101.4% | Yes |
| Aug 2024 | $45.6bn | 0.110% | +0.031 pp | +80.6% | Yes |
| Jul 2024 | $42.0bn | 0.075% | +0.017 pp | +55.4% | No |
| Jun 2024 | $40.0bn | 0.075% | +0.016 pp | +53.2% | No |
| May 2024 | $35.8bn | 0.068% | +0.011 pp | +51.3% | No |
| Apr 2024 | $32.6bn | 0.094% | +0.021 pp | +46.0% | Yes |
| Mar 2024 | $33.0bn | 0.091% | +0.011 pp | +36.4% | Yes |
| Feb 2024 | $35.0bn | 0.100% | +0.020 pp | +49.8% | Yes |
| Jan 2024 | $28.9bn | 0.086% | +0.017 pp | +42.4% | Yes |
| Dec 2023 | $30.2bn | 0.090% | +0.030 pp | +79.8% | Yes |
| Nov 2023 | $26.3bn | 0.082% | +0.021 pp | +44.9% | Yes |
| Oct 2023 | $21.1bn | 0.072% | +0.015 pp | +31.2% | Yes |
| Sep 2023 | $22.1bn | 0.074% | +0.007 pp | +28.2% | 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.