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
1 · Sector
Weight and 12M allocation change
2 · Industry
Inside Information Technology
Technology Hardware, Storage & Peripherals8.46%+8.46 ppSystems Software7.36%+7.35 ppApplication Software3.73%+3.73 ppSemiconductors3.52%+3.51 ppIT Consulting & Other Services1.31%+1.31 ppCommunications Equipment0.96%+0.96 ppSemiconductor Materials & Equipment0.59%+0.59 ppElectronic Equipment & Instruments0.43%+0.43 ppElectronic Components0.16%+0.16 ppElectronic Manufacturing Services0.16%+0.16 ppInternet Services & Infrastructure0.16%+0.16 ppTechnology Distributors0.09%+0.09 pp
3 · Sub-industry
Inside IT Consulting & Other Services
IT Consulting & Other Services · weight
1.31%
Industry change · 12M
+1.31 pp
IT Consulting & Other Services · contribution
+1.306 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jun 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 |
|---|---|---|---|---|---|---|---|
| Accenture → ACN | United States | $187.8bn | 0.663% | +0.319 pp | +0.662 pp | +39.2% | Yes |
| IBM → IBM | United States | $125.2bn | 0.442% | +0.219 pp | +0.442 pp | +27.8% | Yes |
| Cognizant → CTSH | United States | $36.5bn | 0.129% | +0.048 pp | +0.129 pp | +23.5% | Yes |
| Gartner → IT | United States | $20.8bn | 0.074% | +0.042 pp | +0.074 pp | +99.6% | 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.