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
Semiconductors3.65%+0.43 ppSystems Software4.69%+0.42 ppTechnology Hardware, Storage & Peripherals2.08%+0.39 ppApplication Software3.12%+0.33 ppCommunications Equipment1.39%+0.07 ppIT Consulting & Other Services1.70%-0.05 ppInternet Services & Infrastructure0.15%+0.03 ppElectronic Components0.16%-0.02 ppSemiconductor Materials & Equipment0.34%-0.01 ppElectronic Equipment & Instruments0.17%+0.01 ppElectronic Manufacturing Services0.20%-0.01 ppTechnology Distributors0.00%+0.00 pp
3 · Sub-industry
Inside Application Software
Application Software · weight
3.12%
Industry change · 12M
+0.33 pp
Application Software · contribution
+0.327 pp
Company participation
86%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
May 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 | $122.8bn | 0.745% | +0.129 pp | +0.185 pp | +24.8% | Yes |
| Salesforce → CRM | United States | $94.9bn | 0.576% | +0.073 pp | +0.107 pp | +13.5% | Yes |
| Intuit → INTU | United States | $51.7bn | 0.314% | +0.058 pp | +0.069 pp | +20.4% | Yes |
| Oracle Corporation → ORCL | United States | $190.7bn | 1.157% | -0.100 pp | -0.061 pp | -9.1% | No |
| Autodesk → ADSK | United States | $28.2bn | 0.171% | +0.016 pp | +0.026 pp | +11.7% | Yes |
| Synopsys → SNPS | United States | $13.1bn | 0.080% | +0.004 pp | +0.001 pp | -4.9% | Yes |
| Cadence Design Systems → CDNS | United States | $12.0bn | 0.073% | +0.007 pp | +0.000 pp | -5.4% | 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.