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
0.036%
12M weight contribution
+0.036 pp
3M weight contribution
+0.026 pp
12M price return
+44.1%
Share of matched S&P 500 members
Monthly observations through Jun 2021
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 |
|---|---|---|---|---|---|
| Jun 2021 | $10.2bn | 0.036% | +0.036 pp | +44.1% | Yes |
| May 2021 | $10.0bn | 0.036% | +0.036 pp | +40.6% | Yes |
| Apr 2021 | $10.1bn | 0.036% | +0.018 pp | +54.1% | Yes |
| Mar 2021 | $4.9bn | 0.010% | +0.010 pp | +82.8% | No |
| Feb 2021 | $4.7bn | 0.009% | +0.009 pp | +38.5% | No |
| Jan 2021 | $4.7bn | 0.011% | -0.007 pp | +26.9% | No |
| Dec 2020 | $4.9bn | 0.020% | +0.000 pp | +22.1% | Yes |
| Nov 2020 | $4.9bn | 0.021% | +0.001 pp | +27.1% | Yes |
| Oct 2020 | $4.2bn | 0.020% | +0.001 pp | +13.7% | Yes |
| Sep 2020 | $4.0bn | 0.000% | -0.019 pp | +13.4% | No |
| Aug 2020 | $4.1bn | 0.000% | -0.018 pp | +26.8% | No |
| Jul 2020 | $3.9bn | 0.000% | -0.018 pp | +14.6% | No |
| Jun 2020 | $3.5bn | 0.000% | -0.019 pp | +0.9% | No |
| May 2020 | $3.6bn | 0.000% | -0.019 pp | +12.2% | No |
| Apr 2020 | $3.3bn | 0.018% | -0.002 pp | -10.4% | Yes |
| Mar 2020 | $2.7bn | 0.000% | -0.020 pp | -22.0% | No |
| Feb 2020 | $3.4bn | 0.000% | -0.020 pp | -1.5% | No |
| Jan 2020 | $3.7bn | 0.018% | +0.007 pp | +14.3% | No |
| Dec 2019 | $4.0bn | 0.020% | +0.009 pp | +34.9% | Yes |
| Nov 2019 | $3.9bn | 0.019% | +0.008 pp | +19.5% | Yes |
| Oct 2019 | $3.7bn | 0.019% | +0.008 pp | +13.3% | Yes |
| Sep 2019 | $3.6bn | 0.019% | +0.008 pp | +3.7% | Yes |
| Aug 2019 | $3.3bn | 0.018% | +0.006 pp | -6.5% | No |
| Jul 2019 | $3.5bn | 0.018% | -0.002 pp | +0.8% | 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.