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 Software8.50%+1.08 ppTechnology Hardware, Storage & Peripherals8.56%-0.51 ppApplication Software4.22%+0.40 ppSemiconductor Materials & Equipment0.53%+0.17 ppCommunications Equipment0.98%+0.09 ppSemiconductors3.41%+0.08 ppElectronic Equipment & Instruments0.45%+0.05 ppInternet Services & Infrastructure0.14%-0.04 ppIT Consulting & Other Services1.35%+0.02 ppElectronic Manufacturing Services0.16%+0.01 ppElectronic Components0.14%+0.00 ppTechnology Distributors0.09%+0.00 pp
3 · Sub-industry
Inside Technology Hardware, Storage & Peripherals
Technology Hardware, Storage & Peripherals · weight
8.56%
Industry change · 12M
-0.51 pp
Technology Hardware, Storage & Peripherals · contribution
-0.514 pp
Company participation
33%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Oct 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 | $2457.7bn | 8.209% | -0.058 pp | -0.554 pp | +38.5% | Yes |
| NetApp → NTAP | United States | $20.0bn | 0.067% | +0.006 pp | +0.021 pp | +108.7% | Yes |
| Hewlett Packard Enterprise → HPE | United States | $19.2bn | 0.064% | -0.001 pp | +0.011 pp | +75.4% | No |
| Seagate Technology → STX | United States | $19.8bn | 0.066% | -0.003 pp | +0.008 pp | +92.9% | No |
| Western Digital → WDC | United States | $12.2bn | 0.041% | -0.011 pp | -0.000 pp | +38.6% | No |
| HP Inc. → HPQ | United States | $35.0bn | 0.117% | -0.002 pp | -0.000 pp | +73.6% | 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.