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 Software6.56%+3.86 ppSemiconductors3.36%+1.68 ppApplication Software3.25%+1.49 ppTechnology Hardware, Storage & Peripherals2.12%+1.16 ppIT Consulting & Other Services1.48%+0.60 ppCommunications Equipment1.15%+0.35 ppElectronic Equipment & Instruments0.35%+0.20 ppSemiconductor Materials & Equipment0.30%+0.16 ppInternet Services & Infrastructure0.19%+0.09 ppTechnology Distributors0.09%+0.09 ppElectronic Manufacturing Services0.15%+0.06 ppElectronic Components0.12%+0.02 pp
3 · Sub-industry
Inside Technology Hardware, Storage & Peripherals
Technology Hardware, Storage & Peripherals · weight
2.12%
Industry change · 12M
+1.16 pp
Technology Hardware, Storage & Peripherals · contribution
+1.159 pp
Company participation
50%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jan 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 | $338.6bn | 1.670% | +0.230 pp | +1.023 pp | +88.8% | Yes |
| Western Digital → WDC | United States | $14.7bn | 0.073% | +0.012 pp | +0.040 pp | +51.4% | Yes |
| HP Inc. → HPQ | United States | $31.0bn | 0.153% | +0.019 pp | +0.040 pp | +0.1% | Yes |
| Seagate Technology → STX | United States | $15.0bn | 0.074% | -0.008 pp | +0.032 pp | +35.3% | No |
| Hewlett Packard Enterprise → HPE | United States | $18.0bn | 0.089% | -0.023 pp | +0.017 pp | -7.9% | No |
| NetApp → NTAP | United States | $12.2bn | 0.060% | -0.009 pp | +0.007 pp | -13.7% | 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.