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
Technology Hardware, Storage & Peripherals9.08%+7.18 ppSystems Software7.41%+1.62 ppApplication Software3.82%+0.75 ppCommunications Equipment0.89%-0.36 ppElectronic Equipment & Instruments0.40%+0.12 ppIT Consulting & Other Services1.34%-0.12 ppSemiconductor Materials & Equipment0.36%+0.07 ppSemiconductors3.33%+0.07 ppInternet Services & Infrastructure0.18%-0.01 ppTechnology Distributors0.08%-0.01 ppElectronic Manufacturing Services0.15%-0.01 ppElectronic Components0.14%-0.00 pp
3 · Sub-industry
Inside Technology Hardware, Storage & Peripherals
Technology Hardware, Storage & Peripherals · weight
9.08%
Industry change · 12M
+7.18 pp
Technology Hardware, Storage & Peripherals · contribution
+7.180 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Oct 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 | $1850.8bn | 8.763% | +8.761 pp | +7.322 pp | +76.8% | Yes |
| Hewlett Packard Enterprise → HPE | United States | $11.1bn | 0.053% | +0.053 pp | -0.059 pp | -45.1% | Yes |
| Seagate Technology → STX | United States | $12.3bn | 0.058% | +0.058 pp | -0.023 pp | -13.1% | Yes |
| NetApp → NTAP | United States | $9.7bn | 0.046% | +0.046 pp | -0.023 pp | -18.1% | Yes |
| Western Digital → WDC | United States | $8.6bn | 0.041% | +0.041 pp | -0.019 pp | -25.4% | Yes |
| HP Inc. → HPQ | United States | $24.7bn | 0.117% | +0.117 pp | -0.017 pp | +7.3% | 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.