Observatory · observe first
Follow the allocation change
Matched S&P 500 members → sector → industry → sub-industry → company. Each step uses the same percentage points.
Historical time machine
Historical observation
20182026
Universe›Information Technology›Technology Hardware, Storage & Peripherals›Technology Hardware, Storage & Peripherals
1 · Sector
Weight and 12M allocation change
2 · Industry
Inside Information Technology
Systems Software7.77%+2.09 ppCommunications Equipment1.20%-0.37 ppTechnology Hardware, Storage & Peripherals2.18%+0.33 ppSemiconductors3.62%+0.26 ppApplication Software3.58%+0.24 ppIT Consulting & Other Services1.49%-0.13 ppTechnology Distributors0.09%+0.09 ppElectronic Equipment & Instruments0.37%+0.07 ppElectronic Components0.11%-0.05 ppElectronic Manufacturing Services0.14%-0.04 ppSemiconductor Materials & Equipment0.29%+0.03 ppInternet Services & Infrastructure0.22%+0.02 pp
3 · Sub-industry
Inside Technology Hardware, Storage & Peripherals
Technology Hardware, Storage & Peripherals · weight
2.18%
Industry change · 12M
+0.33 pp
Technology Hardware, Storage & Peripherals · contribution
+0.333 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Apr 2020 · sorted by absolute contribution to 12-month change
| Company | Country | Market cap | Universe weight | 3M contribution | 12M contribution | 12M price return | Above 6M weight average |
|---|---|---|---|---|---|---|---|
| Apple Inc. → AAPL | United States | $321.4bn | 1.799% | +0.128 pp | +0.481 pp | +48.3% | Yes |
| Hewlett Packard Enterprise → HPE | United States | $13.0bn | 0.073% | -0.016 pp | -0.048 pp | -34.2% | Yes |
| HP Inc. → HPQ | United States | $22.2bn | 0.124% | -0.028 pp | -0.047 pp | -19.5% | Yes |
| NetApp → NTAP | United States | $9.7bn | 0.054% | -0.006 pp | -0.046 pp | -37.7% | Yes |
| Western Digital → WDC | United States | $10.4bn | 0.058% | -0.014 pp | -0.004 pp | -6.1% | Yes |
| Seagate Technology → STX | United States | $12.8bn | 0.072% | -0.002 pp | -0.003 pp | +9.0% | Yes |
Company contributions use weights among matched S&P 500 members and add through each level without rescaling. Companies without matched shares and prices are omitted. These observations do not establish official index weights or actual fund flows.