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 Software5.30%+0.89 ppApplication Software3.29%+0.39 ppSemiconductors3.21%-0.25 ppTechnology Hardware, Storage & Peripherals1.82%-0.21 ppSemiconductor Materials & Equipment0.24%-0.15 ppIT Consulting & Other Services1.65%-0.13 ppCommunications Equipment1.56%+0.13 ppElectronic Equipment & Instruments0.30%+0.12 ppElectronic Manufacturing Services0.16%-0.06 ppInternet Services & Infrastructure0.19%+0.05 ppElectronic Components0.17%+0.00 ppTechnology Distributors0.00%+0.00 pp
3 · Sub-industry
Inside Technology Hardware, Storage & Peripherals
Technology Hardware, Storage & Peripherals · weight
1.82%
Industry change · 12M
-0.21 pp
Technology Hardware, Storage & Peripherals · contribution
-0.208 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Mar 2019 · 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 |
|---|---|---|---|---|---|---|---|
| Western Digital → WDC | United States | $10.6bn | 0.061% | +0.032 pp | -0.067 pp | -45.8% | Yes |
| HP Inc. → HPQ | United States | $29.9bn | 0.172% | +0.058 pp | -0.049 pp | -8.9% | Yes |
| Hewlett Packard Enterprise → HPE | United States | $21.1bn | 0.121% | +0.055 pp | -0.046 pp | -9.4% | Yes |
| Seagate Technology → STX | United States | $13.5bn | 0.078% | +0.038 pp | -0.025 pp | -13.6% | Yes |
| Apple Inc. → AAPL | United States | $223.9bn | 1.286% | +0.617 pp | -0.019 pp | +14.9% | Yes |
| NetApp → NTAP | United States | $17.1bn | 0.098% | +0.045 pp | -0.003 pp | +14.6% | 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.