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
0.042%
12M weight contribution
+0.002 pp
3M weight contribution
+0.000 pp
12M price return
+14.3%
Share of matched S&P 500 members
Monthly observations through Nov 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 |
|---|---|---|---|---|---|
| Nov 2023 | $13.6bn | 0.042% | +0.002 pp | +14.3% | Yes |
| Oct 2023 | $12.0bn | 0.041% | +0.001 pp | +7.3% | Yes |
| Sep 2023 | $12.5bn | 0.042% | +0.003 pp | +26.8% | Yes |
| Aug 2023 | $13.2bn | 0.042% | +0.003 pp | +21.5% | Yes |
| Jul 2023 | $13.2bn | 0.029% | -0.011 pp | +15.7% | No |
| Jun 2023 | $12.6bn | 0.029% | -0.008 pp | +33.4% | No |
| 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 |
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.