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 & Peripherals9.50%+7.43 ppSystems Software6.96%+0.91 ppApplication Software3.63%+0.57 ppCommunications Equipment0.93%-0.25 ppSemiconductor Materials & Equipment0.44%+0.13 ppIT Consulting & Other Services1.34%-0.11 ppElectronic Equipment & Instruments0.42%+0.08 ppSemiconductors3.42%+0.06 ppTechnology Distributors0.08%-0.02 ppInternet Services & Infrastructure0.17%-0.01 ppElectronic Manufacturing Services0.16%+0.00 ppElectronic Components0.13%+0.00 pp
3 · Sub-industry
Inside Technology Hardware, Storage & Peripherals
Technology Hardware, Storage & Peripherals · weight
9.50%
Industry change · 12M
+7.43 pp
Technology Hardware, Storage & Peripherals · contribution
+7.433 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Dec 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 | $2256.0bn | 9.131% | +9.128 pp | +7.530 pp | +82.3% | Yes |
| Hewlett Packard Enterprise → HPE | United States | $15.3bn | 0.062% | +0.062 pp | -0.039 pp | -21.9% | Yes |
| Western Digital → WDC | United States | $12.7bn | 0.052% | +0.052 pp | -0.018 pp | -10.9% | Yes |
| HP Inc. → HPQ | United States | $31.7bn | 0.128% | +0.128 pp | -0.018 pp | +24.1% | Yes |
| Seagate Technology → STX | United States | $16.0bn | 0.065% | +0.065 pp | -0.012 pp | +10.1% | Yes |
| NetApp → NTAP | United States | $14.8bn | 0.060% | +0.060 pp | -0.010 pp | +10.9% | 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.