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
Application Software3.14%-0.70 ppTechnology Hardware, Storage & Peripherals9.31%+0.68 ppSystems Software7.34%-0.16 ppSemiconductor Materials & Equipment0.42%-0.14 ppCommunications Equipment0.85%-0.13 ppElectronic Equipment & Instruments0.39%-0.05 ppIT Consulting & Other Services1.27%-0.05 ppSemiconductors3.46%+0.03 ppInternet Services & Infrastructure0.12%-0.03 ppElectronic Manufacturing Services0.15%-0.02 ppElectronic Components0.15%-0.01 ppTechnology Distributors0.08%-0.00 pp
3 · Sub-industry
Inside IT Consulting & Other Services
IT Consulting & Other Services · weight
1.27%
Industry change · 12M
-0.05 pp
IT Consulting & Other Services · contribution
-0.048 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jul 2022 · 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 | $195.1bn | 0.670% | -0.021 pp | -0.023 pp | -2.4% | No |
| Cognizant → CTSH | United States | $35.2bn | 0.121% | -0.033 pp | -0.012 pp | -6.4% | No |
| IBM → IBM | United States | $118.1bn | 0.406% | -0.024 pp | -0.008 pp | +1.9% | No |
| Gartner → IT | United States | $21.4bn | 0.073% | -0.013 pp | -0.005 pp | +0.3% | 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.