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 Software5.73%+2.89 ppSemiconductors3.19%+1.32 ppApplication Software3.11%+1.30 ppIT Consulting & Other Services1.55%+0.60 ppTechnology Hardware, Storage & Peripherals1.81%+0.58 ppCommunications Equipment1.31%+0.50 ppElectronic Equipment & Instruments0.29%+0.20 ppSemiconductor Materials & Equipment0.28%+0.14 ppInternet Services & Infrastructure0.20%+0.10 ppTechnology Distributors0.09%+0.09 ppElectronic Manufacturing Services0.17%+0.07 ppElectronic Components0.14%+0.03 pp
3 · Sub-industry
Inside Application Software
Application Software · weight
3.11%
Industry change · 12M
+1.30 pp
Application Software · contribution
+1.301 pp
Company participation
29%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Sep 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 |
|---|---|---|---|---|---|---|---|
| Oracle Corporation → ORCL | United States | $181.0bn | 0.961% | -0.063 pp | +0.339 pp | +8.5% | No |
| Salesforce → CRM | United States | $130.2bn | 0.691% | +0.057 pp | +0.308 pp | -6.7% | Yes |
| Adobe Inc. → ADBE | United States | $133.7bn | 0.710% | -0.061 pp | +0.290 pp | +2.3% | No |
| Intuit → INTU | United States | $69.2bn | 0.367% | +0.002 pp | +0.180 pp | +17.9% | No |
| Autodesk → ADSK | United States | $32.4bn | 0.172% | -0.021 pp | +0.064 pp | -5.4% | No |
| Synopsys → SNPS | United States | $20.6bn | 0.110% | +0.006 pp | +0.063 pp | +39.2% | Yes |
| Cadence Design Systems → CDNS | United States | $18.5bn | 0.098% | -0.009 pp | +0.057 pp | +45.8% | 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.