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
Technology Hardware, Storage & Peripherals9.08%+7.18 ppSystems Software7.41%+1.62 ppApplication Software3.82%+0.75 ppCommunications Equipment0.89%-0.36 ppElectronic Equipment & Instruments0.40%+0.12 ppIT Consulting & Other Services1.34%-0.12 ppSemiconductor Materials & Equipment0.36%+0.07 ppSemiconductors3.33%+0.07 ppInternet Services & Infrastructure0.18%-0.01 ppTechnology Distributors0.08%-0.01 ppElectronic Manufacturing Services0.15%-0.01 ppElectronic Components0.14%-0.00 pp
3 · Sub-industry
Inside Electronic Equipment & Instruments
Electronic Equipment & Instruments · weight
0.40%
Industry change · 12M
+0.12 pp
Electronic Equipment & Instruments · contribution
+0.121 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Oct 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 |
|---|---|---|---|---|---|---|---|
| Zebra Technologies → ZBRA | United States | $15.1bn | 0.072% | +0.072 pp | +0.072 pp | +19.2% | Yes |
| Teledyne Technologies → TDY | United States | $11.4bn | 0.054% | +0.054 pp | +0.054 pp | -6.2% | Yes |
| Keysight Technologies → KEYS | United States | $19.6bn | 0.093% | +0.093 pp | -0.006 pp | +3.9% | Yes |
| Roper Technologies → ROP | United States | $38.9bn | 0.184% | +0.184 pp | +0.001 pp | +10.8% | 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.