Observatory · observe first
ON Semiconductor
ON · United States · Semiconductors · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.091%
12M weight contribution
-0.018 pp
3M weight contribution
-0.001 pp
12M price return
-3.2%
Share of matched S&P 500 members
Monthly observations through Jan 2024
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 |
|---|---|---|---|---|---|
| Jan 2024 | $30.6bn | 0.091% | -0.018 pp | -3.2% | No |
| Dec 2023 | $36.0bn | 0.107% | +0.010 pp | +33.9% | No |
| Nov 2023 | $30.7bn | 0.096% | -0.015 pp | -5.1% | No |
| Oct 2023 | $27.0bn | 0.092% | -0.003 pp | +2.0% | No |
| Sep 2023 | $40.1bn | 0.134% | +0.028 pp | +49.1% | Yes |
| Aug 2023 | $42.5bn | 0.135% | +0.029 pp | +43.2% | Yes |
| Jul 2023 | $46.5bn | 0.101% | +0.002 pp | +61.4% | No |
| Jun 2023 | $40.8bn | 0.094% | +0.009 pp | +88.0% | No |
| May 2023 | $36.1bn | 0.089% | +0.089 pp | +37.8% | No |
| Apr 2023 | $31.1bn | 0.105% | +0.105 pp | +38.1% | No |
| Mar 2023 | $35.6bn | 0.121% | +0.121 pp | +31.5% | Yes |
| Feb 2023 | $33.4bn | 0.118% | +0.118 pp | +23.6% | Yes |
| Jan 2023 | $31.8bn | 0.109% | +0.109 pp | +24.5% | Yes |
| Dec 2022 | $27.0bn | 0.097% | +0.097 pp | -8.2% | No |
| Nov 2022 | $32.5bn | 0.110% | +0.110 pp | +22.4% | Yes |
| Oct 2022 | $26.6bn | 0.094% | +0.094 pp | +27.8% | Yes |
| Sep 2022 | $27.0bn | 0.106% | +0.106 pp | +36.2% | Yes |
| Aug 2022 | $29.8bn | 0.107% | +0.107 pp | +55.0% | Yes |
| Jul 2022 | $29.0bn | 0.100% | +0.100 pp | +71.0% | Yes |
| Jun 2022 | $21.9bn | 0.085% | +0.085 pp | +31.4% | 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.