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 & Peripherals8.46%+8.46 ppSystems Software7.36%+7.35 ppApplication Software3.73%+3.73 ppSemiconductors3.52%+3.51 ppIT Consulting & Other Services1.31%+1.31 ppCommunications Equipment0.96%+0.96 ppSemiconductor Materials & Equipment0.59%+0.59 ppElectronic Equipment & Instruments0.43%+0.43 ppElectronic Components0.16%+0.16 ppElectronic Manufacturing Services0.16%+0.16 ppInternet Services & Infrastructure0.16%+0.16 ppTechnology Distributors0.09%+0.09 pp
3 · Sub-industry
Inside Electronic Equipment & Instruments
Electronic Equipment & Instruments · weight
0.43%
Industry change · 12M
+0.43 pp
Electronic Equipment & Instruments · contribution
+0.429 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jun 2021 · 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 | $49.5bn | 0.175% | +0.092 pp | +0.174 pp | +21.8% | Yes |
| Keysight Technologies → KEYS | United States | $28.4bn | 0.100% | +0.048 pp | +0.100 pp | +53.2% | Yes |
| Zebra Technologies → ZBRA | United States | $28.3bn | 0.100% | +0.049 pp | +0.100 pp | +106.9% | Yes |
| Teledyne Technologies → TDY | United States | $15.5bn | 0.055% | +0.025 pp | +0.055 pp | +34.7% | 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.