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 Software5.97%+3.08 ppSemiconductors3.23%+1.49 ppApplication Software3.15%+1.39 ppTechnology Hardware, Storage & Peripherals1.96%+0.93 ppIT Consulting & Other Services1.47%+0.58 ppCommunications Equipment1.16%+0.34 ppSemiconductor Materials & Equipment0.30%+0.17 ppElectronic Equipment & Instruments0.29%+0.15 ppTechnology Distributors0.10%+0.10 ppInternet Services & Infrastructure0.18%+0.08 ppElectronic Manufacturing Services0.16%+0.07 ppElectronic Components0.13%+0.04 pp
3 · Sub-industry
Inside Application Software
Application Software · weight
3.15%
Industry change · 12M
+1.39 pp
Application Software · contribution
+1.389 pp
Company participation
43%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Nov 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 | $142.9bn | 0.720% | -0.025 pp | +0.357 pp | +14.1% | Yes |
| Adobe Inc. → ADBE | United States | $149.8bn | 0.755% | +0.004 pp | +0.348 pp | +23.4% | Yes |
| Oracle Corporation → ORCL | United States | $184.6bn | 0.930% | -0.014 pp | +0.316 pp | +17.1% | No |
| Intuit → INTU | United States | $67.4bn | 0.339% | -0.068 pp | +0.155 pp | +21.6% | No |
| Autodesk → ADSK | United States | $39.7bn | 0.200% | +0.030 pp | +0.095 pp | +25.2% | Yes |
| Synopsys → SNPS | United States | $21.2bn | 0.107% | -0.009 pp | +0.061 pp | +53.4% | No |
| Cadence Design Systems → CDNS | United States | $19.7bn | 0.099% | -0.005 pp | +0.057 pp | +56.0% | 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.