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
Technology Hardware, Storage & Peripherals6.34%-0.61 ppSemiconductors2.84%+0.23 ppApplication Software2.46%-0.10 ppSystems Software5.84%+0.10 ppCommunications Equipment0.54%-0.07 ppSemiconductor Materials & Equipment0.39%+0.04 ppElectronic Components0.13%+0.04 ppElectronic Equipment & Instruments0.22%-0.04 ppIT Consulting & Other Services0.83%-0.03 ppInternet Services & Infrastructure0.10%+0.02 ppElectronic Manufacturing Services0.11%+0.01 ppTechnology Distributors0.05%-0.00 pp
3 · Sub-industry
Inside Systems Software
Systems Software · weight
5.84%
Industry change · 12M
+0.10 pp
Systems Software · contribution
+0.101 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jul 2024 · 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 |
|---|---|---|---|---|---|---|---|
| Microsoft → MSFT | United States | $3109.6bn | 5.573% | -2.807 pp | +0.133 pp | +25.5% | No |
| Fortinet → FTNT | United States | $44.3bn | 0.079% | -0.060 pp | -0.054 pp | -25.3% | No |
| Palo Alto Networks → PANW | United States | $52.6bn | 0.094% | -0.042 pp | +0.011 pp | +29.9% | No |
| ServiceNow → NOW | United States | $33.6bn | 0.060% | -0.022 pp | +0.008 pp | +39.7% | No |
| Gen Digital → GEN | United States | $16.3bn | 0.029% | -0.008 pp | +0.002 pp | +36.8% | 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.