Observatory · observe first
Corning Inc.
GLW · United States · Electronic Components · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.110%
12M weight contribution
+0.023 pp
3M weight contribution
-0.008 pp
12M price return
-1.0%
Share of matched S&P 500 members
Monthly observations through Dec 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 |
|---|---|---|---|---|---|
| Dec 2019 | $22.4bn | 0.110% | +0.023 pp | -1.0% | No |
| Nov 2019 | $22.3bn | 0.113% | +0.027 pp | -7.4% | No |
| Oct 2019 | $22.8bn | 0.119% | +0.032 pp | -4.9% | No |
| Sep 2019 | $22.3bn | 0.118% | +0.027 pp | -17.1% | No |
| Aug 2019 | $21.7bn | 0.118% | +0.031 pp | -14.7% | No |
| Jul 2019 | $24.0bn | 0.128% | -0.029 pp | -5.1% | No |
| Jun 2019 | $26.1bn | 0.141% | +0.002 pp | +23.7% | Yes |
| May 2019 | $22.6bn | 0.132% | -0.005 pp | +8.7% | Yes |
| Apr 2019 | $25.1bn | 0.140% | +0.002 pp | +20.7% | Yes |
| Mar 2019 | $26.0bn | 0.150% | +0.003 pp | +21.6% | Yes |
| Feb 2019 | $27.4bn | 0.159% | +0.009 pp | +22.6% | Yes |
| Jan 2019 | $26.6bn | 0.088% | -0.067 pp | +9.1% | Yes |
| Dec 2018 | $24.2bn | 0.086% | -0.068 pp | -0.9% | No |
| Nov 2018 | $25.8bn | 0.086% | -0.069 pp | +5.7% | No |
| Oct 2018 | $25.6bn | 0.087% | -0.068 pp | +4.2% | No |
| Sep 2018 | $28.6bn | 0.091% | -0.064 pp | +15.1% | No |
| Aug 2018 | $27.1bn | 0.088% | -0.067 pp | +9.3% | No |
| Jul 2018 | $26.9bn | 0.157% | +0.002 pp | +7.6% | Yes |
| Jun 2018 | $22.8bn | 0.139% | -0.016 pp | -10.7% | No |
| May 2018 | $22.6bn | 0.137% | -0.018 pp | -11.9% | No |
| Apr 2018 | $22.4bn | 0.138% | -0.017 pp | -12.9% | No |
| Mar 2018 | $23.9bn | 0.147% | -0.008 pp | -10.2% | No |
| Feb 2018 | $24.9bn | 0.149% | -0.005 pp | -6.3% | No |
| Jan 2018 | $27.1bn | 0.155% | +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.