Universe›Information Technology›Technology Hardware, Storage & Peripherals›Technology Hardware, Storage & Peripherals›Western Digital
Observatory · observe first
Western Digital
WDC · United States · Technology Hardware, Storage & Peripherals · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.031%
12M weight contribution
-0.042 pp
3M weight contribution
-0.010 pp
12M price return
-12.7%
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 | $13.0bn | 0.031% | -0.042 pp | -12.7% | Yes |
| Dec 2020 | $12.7bn | 0.052% | -0.018 pp | -10.9% | Yes |
| Nov 2020 | $10.3bn | 0.044% | -0.013 pp | -8.9% | Yes |
| Oct 2020 | $8.6bn | 0.041% | -0.019 pp | -25.4% | Yes |
| Sep 2020 | $8.4bn | 0.000% | -0.071 pp | -36.9% | No |
| Aug 2020 | $8.8bn | 0.000% | -0.070 pp | -30.9% | No |
| Jul 2020 | $9.8bn | 0.000% | -0.063 pp | -17.6% | No |
| Jun 2020 | $10.0bn | 0.000% | -0.057 pp | -4.3% | No |
| May 2020 | $10.1bn | 0.000% | -0.048 pp | +24.2% | No |
| Apr 2020 | $10.4bn | 0.058% | -0.004 pp | -6.1% | Yes |
| Mar 2020 | $9.4bn | 0.000% | -0.061 pp | -10.9% | No |
| Feb 2020 | $12.6bn | 0.000% | -0.064 pp | +14.9% | No |
| Jan 2020 | $14.7bn | 0.073% | +0.040 pp | +51.4% | Yes |
| Dec 2019 | $14.3bn | 0.070% | +0.041 pp | +77.1% | Yes |
| Nov 2019 | $11.3bn | 0.057% | +0.024 pp | +16.0% | No |
| Oct 2019 | $11.6bn | 0.060% | +0.028 pp | +25.4% | No |
| Sep 2019 | $13.3bn | 0.071% | +0.030 pp | +5.6% | Yes |
| Aug 2019 | $12.8bn | 0.070% | +0.025 pp | -5.3% | Yes |
| Jul 2019 | $11.9bn | 0.064% | -0.029 pp | -19.7% | Yes |
| Jun 2019 | $10.5bn | 0.057% | -0.049 pp | -35.8% | Yes |
| May 2019 | $8.2bn | 0.048% | -0.067 pp | -53.6% | No |
| Apr 2019 | $11.2bn | 0.063% | -0.046 pp | -32.5% | Yes |
| Mar 2019 | $10.6bn | 0.061% | -0.067 pp | -45.8% | Yes |
| Feb 2019 | $11.1bn | 0.064% | -0.053 pp | -40.2% | 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.