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
Systems Software5.79%+2.96 ppSemiconductors3.26%+1.48 ppApplication Software3.07%+1.32 ppTechnology Hardware, Storage & Peripherals1.90%+0.66 ppIT Consulting & Other Services1.45%+0.59 ppCommunications Equipment1.25%+0.43 ppElectronic Equipment & Instruments0.28%+0.18 ppSemiconductor Materials & Equipment0.30%+0.17 ppTechnology Distributors0.10%+0.10 ppInternet Services & Infrastructure0.19%+0.09 ppElectronic Manufacturing Services0.16%+0.07 ppElectronic Components0.14%+0.04 pp
3 · Sub-industry
Inside Application Software
Application Software · weight
3.07%
Industry change · 12M
+1.32 pp
Application Software · contribution
+1.316 pp
Company participation
14%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Oct 2019 · 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 |
|---|---|---|---|---|---|---|---|
| Salesforce → CRM | United States | $137.2bn | 0.715% | +0.077 pp | +0.363 pp | +14.0% | Yes |
| Oracle Corporation → ORCL | United States | $179.2bn | 0.934% | -0.065 pp | +0.307 pp | +13.5% | No |
| Adobe Inc. → ADBE | United States | $134.5bn | 0.701% | -0.071 pp | +0.295 pp | +13.1% | No |
| Intuit → INTU | United States | $67.0bn | 0.349% | -0.034 pp | +0.164 pp | +23.0% | No |
| Autodesk → ADSK | United States | $32.4bn | 0.169% | -0.014 pp | +0.073 pp | +14.0% | No |
| Synopsys → SNPS | United States | $20.4bn | 0.106% | +0.000 pp | +0.061 pp | +51.6% | No |
| Cadence Design Systems → CDNS | United States | $18.3bn | 0.096% | -0.015 pp | +0.053 pp | +46.6% | 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.