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
0.066%
12M weight contribution
-0.036 pp
3M weight contribution
-0.050 pp
12M price return
+38.6%
Share of matched S&P 500 members
Monthly observations through Jan 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 |
|---|---|---|---|---|---|
| Jan 2021 | $27.4bn | 0.066% | -0.036 pp | +38.6% | No |
| Dec 2020 | $27.5bn | 0.111% | +0.001 pp | +27.6% | Yes |
| Nov 2020 | $28.6bn | 0.121% | +0.009 pp | +32.9% | Yes |
| Oct 2020 | $24.4bn | 0.116% | -0.003 pp | +11.4% | Yes |
| Sep 2020 | $24.7bn | 0.000% | -0.118 pp | +17.3% | No |
| Aug 2020 | $24.7bn | 0.000% | -0.118 pp | +20.3% | No |
| Jul 2020 | $23.6bn | 0.000% | -0.128 pp | +4.1% | No |
| Jun 2020 | $19.7bn | 0.000% | -0.140 pp | -19.5% | No |
| May 2020 | $17.3bn | 0.000% | -0.132 pp | -18.4% | No |
| Apr 2020 | $16.8bn | 0.094% | -0.046 pp | -28.8% | Yes |
| Mar 2020 | $15.7bn | 0.000% | -0.150 pp | -36.1% | No |
| Feb 2020 | $18.2bn | 0.000% | -0.159 pp | -29.4% | No |
| Jan 2020 | $20.5bn | 0.101% | +0.013 pp | -17.6% | No |
| 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 |
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.