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
Universe›Information Technology›Electronic Equipment & Instruments›Electronic Equipment & Instruments
1 · Sector
Weight and 12M allocation change
2 · Industry
Inside Information Technology
Systems Software2.84%-1.43 ppSemiconductors1.86%-1.36 ppApplication Software1.81%-0.98 ppIT Consulting & Other Services0.95%-0.79 ppCommunications Equipment0.82%-0.50 ppTechnology Hardware, Storage & Peripherals1.23%-0.46 ppSemiconductor Materials & Equipment0.13%-0.22 ppElectronic Manufacturing Services0.10%-0.11 ppElectronic Components0.10%-0.07 ppElectronic Equipment & Instruments0.10%-0.07 ppInternet Services & Infrastructure0.10%-0.03 ppTechnology Distributors0.00%+0.00 pp
3 · Sub-industry
Inside Electronic Equipment & Instruments
Electronic Equipment & Instruments · weight
0.10%
Industry change · 12M
-0.07 pp
Electronic Equipment & Instruments · contribution
-0.066 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Sep 2018 · 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 |
|---|---|---|---|---|---|---|---|
| Roper Technologies → ROP | United States | $30.6bn | 0.098% | -0.075 pp | -0.066 pp | +5.9% | 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.