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 Software5.82%+3.00 ppApplication Software3.24%+1.44 ppSemiconductors3.16%+1.24 ppIT Consulting & Other Services1.56%+0.61 ppTechnology Hardware, Storage & Peripherals1.73%+0.47 ppCommunications Equipment1.30%+0.47 ppElectronic Equipment & Instruments0.31%+0.21 ppSemiconductor Materials & Equipment0.27%+0.12 ppInternet Services & Infrastructure0.21%+0.11 ppElectronic Manufacturing Services0.17%+0.06 ppElectronic Components0.14%+0.04 ppTechnology Distributors0.00%+0.00 pp
3 · Sub-industry
Inside Technology Hardware, Storage & Peripherals
Technology Hardware, Storage & Peripherals · weight
1.73%
Industry change · 12M
+0.47 pp
Technology Hardware, Storage & Peripherals · contribution
+0.472 pp
Company participation
50%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Aug 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 |
|---|---|---|---|---|---|---|---|
| Apple Inc. → AAPL | United States | $235.8bn | 1.283% | +0.110 pp | +0.395 pp | -6.9% | Yes |
| Western Digital → WDC | United States | $12.8bn | 0.070% | +0.022 pp | +0.025 pp | -5.3% | Yes |
| Seagate Technology → STX | United States | $13.5bn | 0.073% | +0.006 pp | +0.024 pp | -0.7% | Yes |
| HP Inc. → HPQ | United States | $27.1bn | 0.147% | -0.016 pp | +0.022 pp | -23.6% | No |
| Hewlett Packard Enterprise → HPE | United States | $18.0bn | 0.098% | -0.009 pp | +0.017 pp | -13.9% | No |
| NetApp → NTAP | United States | $11.4bn | 0.062% | -0.023 pp | -0.010 pp | -43.3% | No |
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.