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 Software5.68%+1.16 ppApplication Software3.34%+0.37 ppTechnology Hardware, Storage & Peripherals1.85%-0.14 ppElectronic Equipment & Instruments0.30%+0.13 ppIT Consulting & Other Services1.62%-0.11 ppSemiconductor Materials & Equipment0.26%-0.09 ppCommunications Equipment1.56%+0.08 ppInternet Services & Infrastructure0.20%+0.06 ppSemiconductors3.36%+0.03 ppElectronic Manufacturing Services0.18%-0.02 ppElectronic Components0.16%+0.00 ppTechnology Distributors0.00%+0.00 pp
3 · Sub-industry
Inside Technology Hardware, Storage & Peripherals
Technology Hardware, Storage & Peripherals · weight
1.85%
Industry change · 12M
-0.14 pp
Technology Hardware, Storage & Peripherals · contribution
-0.140 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Apr 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 | $11.2bn | 0.063% | +0.030 pp | -0.046 pp | -32.5% | Yes |
| HP Inc. → HPQ | United States | $30.7bn | 0.171% | +0.058 pp | -0.046 pp | -4.6% | Yes |
| Hewlett Packard Enterprise → HPE | United States | $21.7bn | 0.121% | +0.049 pp | -0.042 pp | -4.6% | Yes |
| Apple Inc. → AAPL | United States | $236.6bn | 1.318% | +0.671 pp | +0.030 pp | +23.3% | Yes |
| Seagate Technology → STX | United States | $13.4bn | 0.075% | +0.033 pp | -0.027 pp | -11.9% | Yes |
| NetApp → NTAP | United States | $18.0bn | 0.100% | +0.047 pp | -0.009 pp | +11.9% | 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.