Observatory · observe first
Coherent Corp.
COHR · United States · Electronic Components · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.091%
12M weight contribution
+0.091 pp
3M weight contribution
-0.032 pp
12M price return
+207.1%
Share of matched S&P 500 members
Monthly observations through Aug 2026
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 |
|---|---|---|---|---|---|
| Aug 2026 | $54.4bn | 0.091% | +0.091 pp | +207.1% | No |
| Jul 2026 | $51.4bn | 0.090% | +0.090 pp | +144.3% | Yes |
| Jun 2026 | $77.2bn | 0.134% | +0.134 pp | +342.2% | Yes |
| May 2026 | $70.7bn | 0.123% | +0.123 pp | +377.9% | Yes |
| Apr 2026 | $59.9bn | 0.081% | +0.081 pp | +397.1% | Yes |
| Mar 2026 | $44.7bn | 0.065% | +0.065 pp | +266.8% | 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.