Universe›Information Technology›Technology Hardware, Storage & Peripherals›Technology Hardware, Storage & Peripherals›Seagate Technology
Observatory · observe first
Seagate Technology
STX · United States · Technology Hardware, Storage & Peripherals · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.342%
12M weight contribution
+0.285 pp
3M weight contribution
+0.220 pp
12M price return
+655.6%
Share of matched S&P 500 members
Monthly observations through May 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 |
|---|---|---|---|---|---|
| May 2026 | $197.3bn | 0.342% | +0.285 pp | +655.6% | Yes |
| Apr 2026 | $151.1bn | 0.205% | +0.159 pp | +649.6% | Yes |
| Mar 2026 | $85.4bn | 0.124% | +0.082 pp | +367.1% | No |
| Feb 2026 | $88.9bn | 0.122% | +0.074 pp | +308.0% | Yes |
| Jan 2026 | $88.9bn | 0.170% | +0.125 pp | +331.3% | Yes |
| Dec 2025 | $58.8bn | 0.115% | +0.074 pp | +225.3% | Yes |
| Nov 2025 | $59.1bn | 0.116% | +0.069 pp | +179.7% | Yes |
| Oct 2025 | $54.6bn | 0.107% | +0.057 pp | +161.1% | Yes |
| Sep 2025 | $50.2bn | 0.101% | +0.047 pp | +120.8% | Yes |
| Aug 2025 | $35.6bn | 0.074% | +0.023 pp | +72.9% | Yes |
| Jul 2025 | $33.3bn | 0.070% | +0.032 pp | +58.0% | Yes |
| Jun 2025 | $30.6bn | 0.066% | +0.025 pp | +43.7% | Yes |
| May 2025 | $25.0bn | 0.057% | +0.019 pp | +30.2% | Yes |
| Apr 2025 | $19.3bn | 0.046% | -0.006 pp | +9.1% | Yes |
| Mar 2025 | $18.0bn | 0.043% | -0.011 pp | -6.0% | No |
| Feb 2025 | $21.6bn | 0.048% | -0.008 pp | +12.7% | Yes |
| Jan 2025 | $20.4bn | 0.045% | -0.008 pp | +15.8% | No |
| Dec 2024 | $18.3bn | 0.041% | -0.012 pp | +4.1% | No |
| Nov 2024 | $21.4bn | 0.047% | -0.004 pp | +32.0% | Yes |
| Oct 2024 | $21.2bn | 0.050% | +0.001 pp | +51.5% | Yes |
| Sep 2024 | $23.0bn | 0.054% | +0.008 pp | +71.1% | Yes |
| Aug 2024 | $20.9bn | 0.051% | +0.004 pp | +45.5% | Yes |
| Jul 2024 | $21.5bn | 0.038% | +0.010 pp | +66.4% | No |
| Jun 2024 | $21.7bn | 0.041% | +0.011 pp | +72.7% | 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.