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›Internet Services & Infrastructure›Internet Services & Infrastructure
1 · Sector
Weight and 12M allocation change
2 · Industry
Inside Information Technology
Technology Hardware, Storage & Peripherals8.76%+8.76 ppSystems Software7.76%+7.75 ppApplication Software4.02%+4.02 ppSemiconductors3.50%+3.50 ppIT Consulting & Other Services1.34%+1.34 ppCommunications Equipment1.02%+1.02 ppSemiconductor Materials & Equipment0.52%+0.52 ppElectronic Equipment & Instruments0.46%+0.46 ppElectronic Manufacturing Services0.16%+0.16 ppElectronic Components0.15%+0.15 ppInternet Services & Infrastructure0.14%+0.14 ppTechnology Distributors0.09%+0.09 pp
3 · Sub-industry
Inside Internet Services & Infrastructure
Internet Services & Infrastructure · weight
0.14%
Industry change · 12M
+0.14 pp
Internet Services & Infrastructure · contribution
+0.142 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Aug 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 |
|---|---|---|---|---|---|---|---|
| Verisign → VRSN | United States | $24.2bn | 0.081% | -0.008 pp | +0.081 pp | +0.7% | Yes |
| Akamai Technologies → AKAM | United States | $18.4bn | 0.062% | -0.005 pp | +0.062 pp | -2.7% | 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.