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
0.021%
12M weight contribution
+0.001 pp
3M weight contribution
+0.010 pp
12M price return
+20.1%
Share of matched S&P 500 members
Monthly observations through Apr 2019
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 |
|---|---|---|---|---|---|
| Apr 2019 | $3.7bn | 0.021% | +0.001 pp | +20.1% | Yes |
| Mar 2019 | $3.5bn | 0.020% | +0.000 pp | +10.8% | Yes |
| Feb 2019 | $3.5bn | 0.020% | -0.001 pp | +3.8% | Yes |
| Jan 2019 | $3.3bn | 0.011% | -0.009 pp | -4.3% | No |
| Dec 2018 | $3.1bn | 0.011% | -0.009 pp | -11.8% | No |
| Nov 2018 | $3.3bn | 0.011% | -0.009 pp | -4.5% | No |
| Oct 2018 | $3.4bn | 0.011% | -0.009 pp | -2.9% | No |
| Sep 2018 | $3.5bn | 0.011% | -0.009 pp | +2.1% | No |
| Aug 2018 | $3.6bn | 0.011% | -0.009 pp | +2.4% | No |
| Jul 2018 | $3.5bn | 0.020% | +0.000 pp | +1.3% | Yes |
| Jun 2018 | $3.3bn | 0.020% | -0.000 pp | -5.6% | No |
| May 2018 | $3.3bn | 0.020% | -0.000 pp | -6.1% | No |
| Apr 2018 | $3.2bn | 0.020% | -0.001 pp | -9.6% | No |
| Mar 2018 | $3.3bn | 0.020% | -0.000 pp | -7.0% | No |
| Feb 2018 | $3.5bn | 0.021% | +0.001 pp | -1.5% | Yes |
| Jan 2018 | $3.5bn | 0.020% | +0.000 pp | +0.0% | 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.