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 Software5.82%+3.00 ppApplication Software3.24%+1.44 ppSemiconductors3.16%+1.24 ppIT Consulting & Other Services1.56%+0.61 ppTechnology Hardware, Storage & Peripherals1.73%+0.47 ppCommunications Equipment1.30%+0.47 ppElectronic Equipment & Instruments0.31%+0.21 ppSemiconductor Materials & Equipment0.27%+0.12 ppInternet Services & Infrastructure0.21%+0.11 ppElectronic Manufacturing Services0.17%+0.06 ppElectronic Components0.14%+0.04 ppTechnology Distributors0.00%+0.00 pp
3 · Sub-industry
Inside Application Software
Application Software · weight
3.24%
Industry change · 12M
+1.44 pp
Application Software · contribution
+1.441 pp
Company participation
43%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Aug 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 | $136.9bn | 0.744% | +0.065 pp | +0.371 pp | +2.2% | Yes |
| Adobe Inc. → ADBE | United States | $138.1bn | 0.751% | -0.019 pp | +0.335 pp | +8.0% | No |
| Oracle Corporation → ORCL | United States | $173.7bn | 0.944% | -0.063 pp | +0.320 pp | +8.9% | No |
| Intuit → INTU | United States | $75.0bn | 0.408% | +0.038 pp | +0.225 pp | +32.4% | Yes |
| Synopsys → SNPS | United States | $21.3bn | 0.116% | +0.014 pp | +0.067 pp | +38.8% | Yes |
| Autodesk → ADSK | United States | $31.4bn | 0.171% | -0.035 pp | +0.062 pp | -7.5% | No |
| Cadence Design Systems → CDNS | United States | $19.2bn | 0.104% | +0.000 pp | +0.061 pp | +45.6% | 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.