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
Semiconductors3.41%+0.19 ppTechnology Hardware, Storage & Peripherals1.86%+0.17 ppSystems Software4.42%+0.16 ppApplication Software2.93%+0.14 ppCommunications Equipment1.45%+0.14 ppIT Consulting & Other Services1.79%+0.04 ppSemiconductor Materials & Equipment0.39%+0.04 ppElectronic Manufacturing Services0.22%+0.01 ppInternet Services & Infrastructure0.14%+0.01 ppElectronic Equipment & Instruments0.17%+0.01 ppElectronic Components0.17%-0.00 ppTechnology Distributors0.00%+0.00 pp
3 · Sub-industry
Inside Application Software
Application Software · weight
2.93%
Industry change · 12M
+0.14 pp
Application Software · contribution
+0.140 pp
Company participation
71%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Feb 2018 · 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 |
|---|---|---|---|---|---|---|---|
| Adobe Inc. → ADBE | United States | $102.8bn | 0.616% | +0.056 pp | +0.056 pp | +4.7% | Yes |
| Oracle Corporation → ORCL | United States | $209.8bn | 1.257% | +0.039 pp | +0.039 pp | -1.8% | Yes |
| Salesforce → CRM | United States | $84.0bn | 0.503% | +0.034 pp | +0.034 pp | +2.1% | Yes |
| Intuit → INTU | United States | $42.7bn | 0.256% | +0.011 pp | +0.011 pp | -0.6% | Yes |
| Autodesk → ADSK | United States | $25.9bn | 0.155% | +0.010 pp | +0.010 pp | +1.6% | Yes |
| Cadence Design Systems → CDNS | United States | $11.0bn | 0.066% | -0.007 pp | -0.007 pp | -13.6% | No |
| Synopsys → SNPS | United States | $12.6bn | 0.075% | -0.003 pp | -0.003 pp | -8.6% | 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.