Observatory · observe first
Amphenol
APH · United States · Electronic Components · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.028%
12M weight contribution
-0.010 pp
3M weight contribution
-0.013 pp
12M price return
+7.7%
Share of matched S&P 500 members
Monthly observations through May 2023
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 2023 | $11.2bn | 0.028% | -0.010 pp | +7.7% | No |
| Apr 2023 | $11.2bn | 0.038% | -0.001 pp | +6.8% | No |
| Mar 2023 | $12.1bn | 0.041% | +0.003 pp | +9.7% | Yes |
| Feb 2023 | $11.5bn | 0.041% | +0.001 pp | +3.1% | Yes |
| Jan 2023 | $11.9bn | 0.041% | +0.001 pp | +1.4% | Yes |
| Dec 2022 | $11.3bn | 0.041% | -0.001 pp | -12.0% | Yes |
| Nov 2022 | $12.0bn | 0.041% | -0.000 pp | +0.9% | Yes |
| Oct 2022 | $11.3bn | 0.040% | +0.002 pp | -0.1% | Yes |
| Sep 2022 | $10.0bn | 0.039% | +0.001 pp | -7.6% | Yes |
| Aug 2022 | $10.9bn | 0.039% | +0.001 pp | -3.1% | Yes |
| Jul 2022 | $11.5bn | 0.039% | +0.002 pp | +7.5% | Yes |
| Jun 2022 | $9.6bn | 0.037% | +0.001 pp | -4.9% | No |
| May 2022 | $10.6bn | 0.038% | +0.002 pp | +6.3% | No |
| Apr 2022 | $10.7bn | 0.039% | +0.002 pp | +7.2% | No |
| Mar 2022 | $11.3bn | 0.038% | +0.028 pp | +15.3% | No |
| Feb 2022 | $11.4bn | 0.039% | +0.030 pp | +22.0% | No |
| Jan 2022 | $11.9bn | 0.040% | +0.029 pp | +28.6% | Yes |
| Dec 2021 | $13.1bn | 0.042% | +0.022 pp | +34.9% | Yes |
| Nov 2021 | $12.0bn | 0.041% | +0.020 pp | +24.3% | Yes |
| Oct 2021 | $11.5bn | 0.038% | +0.018 pp | +37.2% | Yes |
| Sep 2021 | $11.0bn | 0.038% | +0.038 pp | +36.4% | Yes |
| Aug 2021 | $11.5bn | 0.038% | +0.038 pp | +40.9% | Yes |
| Jul 2021 | $10.8bn | 0.037% | +0.037 pp | +38.3% | Yes |
| Jun 2021 | $10.2bn | 0.036% | +0.036 pp | +44.1% | 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.