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 Software6.56%+3.86 ppSemiconductors3.36%+1.68 ppApplication Software3.25%+1.49 ppTechnology Hardware, Storage & Peripherals2.12%+1.16 ppIT Consulting & Other Services1.48%+0.60 ppCommunications Equipment1.15%+0.35 ppElectronic Equipment & Instruments0.35%+0.20 ppSemiconductor Materials & Equipment0.30%+0.16 ppInternet Services & Infrastructure0.19%+0.09 ppTechnology Distributors0.09%+0.09 ppElectronic Manufacturing Services0.15%+0.06 ppElectronic Components0.12%+0.02 pp
3 · Sub-industry
Inside Application Software
Application Software · weight
3.25%
Industry change · 12M
+1.49 pp
Application Software · contribution
+1.488 pp
Company participation
86%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jan 2020 · 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 | $169.3bn | 0.835% | +0.134 pp | +0.437 pp | +41.7% | Yes |
| Salesforce → CRM | United States | $161.7bn | 0.798% | +0.082 pp | +0.414 pp | +20.0% | Yes |
| Oracle Corporation → ORCL | United States | $168.2bn | 0.830% | -0.104 pp | +0.235 pp | +6.3% | No |
| Intuit → INTU | United States | $73.0bn | 0.360% | +0.011 pp | +0.175 pp | +30.9% | Yes |
| Autodesk → ADSK | United States | $43.3bn | 0.214% | +0.045 pp | +0.107 pp | +33.7% | Yes |
| Synopsys → SNPS | United States | $22.2bn | 0.110% | +0.003 pp | +0.064 pp | +58.0% | Yes |
| Cadence Design Systems → CDNS | United States | $20.2bn | 0.100% | +0.004 pp | +0.055 pp | +50.1% | 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.