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
0.060%
12M weight contribution
+0.028 pp
3M weight contribution
-0.003 pp
12M price return
+25.4%
Share of matched S&P 500 members
Monthly observations through Oct 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 |
|---|---|---|---|---|---|
| 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 |
| Jan 2019 | $9.8bn | 0.032% | -0.081 pp | -47.7% | No |
| Dec 2018 | $8.1bn | 0.029% | -0.085 pp | -57.0% | No |
| Nov 2018 | $9.9bn | 0.033% | -0.080 pp | -47.9% | No |
| Oct 2018 | $9.5bn | 0.032% | -0.081 pp | -50.6% | No |
| Sep 2018 | $12.9bn | 0.041% | -0.072 pp | -32.9% | No |
| Aug 2018 | $13.9bn | 0.045% | -0.069 pp | -28.1% | No |
| Jul 2018 | $15.9bn | 0.093% | -0.021 pp | -20.2% | No |
| Jun 2018 | $17.5bn | 0.106% | -0.007 pp | -12.0% | No |
| May 2018 | $18.9bn | 0.115% | +0.001 pp | -5.6% | No |
| Apr 2018 | $17.7bn | 0.109% | -0.005 pp | -11.0% | No |
| Mar 2018 | $20.8bn | 0.127% | +0.014 pp | +4.3% | Yes |
| Feb 2018 | $19.6bn | 0.117% | +0.004 pp | -2.2% | Yes |
| Jan 2018 | $19.9bn | 0.113% | +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.