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 & Peripherals5.52%+3.40 ppSystems Software4.28%-2.28 ppSemiconductors2.09%-1.28 ppApplication Software2.08%-1.17 ppIT Consulting & Other Services0.74%-0.74 ppCommunications Equipment0.55%-0.60 ppElectronic Equipment & Instruments0.24%-0.10 ppInternet Services & Infrastructure0.10%-0.10 ppElectronic Manufacturing Services0.10%-0.06 ppTechnology Distributors0.05%-0.05 ppElectronic Components0.08%-0.04 ppSemiconductor Materials & Equipment0.28%-0.01 pp
3 · Sub-industry
Inside Technology Hardware, Storage & Peripherals
Technology Hardware, Storage & Peripherals · weight
5.52%
Industry change · 12M
+3.40 pp
Technology Hardware, Storage & Peripherals · contribution
+3.405 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jan 2021 · 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 | $2215.4bn | 5.306% | -3.457 pp | +3.636 pp | +72.0% | Yes |
| HP Inc. → HPQ | United States | $31.4bn | 0.075% | -0.042 pp | -0.078 pp | +18.4% | Yes |
| Hewlett Packard Enterprise → HPE | United States | $16.0bn | 0.038% | -0.014 pp | -0.051 pp | -7.4% | Yes |
| Western Digital → WDC | United States | $13.0bn | 0.031% | -0.010 pp | -0.042 pp | -12.7% | Yes |
| Seagate Technology → STX | United States | $15.6bn | 0.037% | -0.021 pp | -0.036 pp | +22.3% | Yes |
| NetApp → NTAP | United States | $14.8bn | 0.036% | -0.011 pp | -0.025 pp | +29.7% | 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.