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 & Peripherals7.86%+7.86 ppSystems Software6.89%+6.88 ppApplication Software3.57%+3.56 ppSemiconductors3.45%+3.45 ppIT Consulting & Other Services1.29%+1.29 ppCommunications Equipment0.97%+0.97 ppSemiconductor Materials & Equipment0.58%+0.58 ppElectronic Equipment & Instruments0.41%+0.41 ppElectronic Components0.17%+0.17 ppElectronic Manufacturing Services0.16%+0.16 ppInternet Services & Infrastructure0.16%+0.16 ppTechnology Distributors0.08%+0.08 pp
3 · Sub-industry
Inside Electronic Equipment & Instruments
Electronic Equipment & Instruments · weight
0.41%
Industry change · 12M
+0.41 pp
Electronic Equipment & Instruments · contribution
+0.414 pp
Company participation
100%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
May 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 | $47.4bn | 0.170% | +0.090 pp | +0.169 pp | +14.9% | Yes |
| Zebra Technologies → ZBRA | United States | $26.6bn | 0.095% | +0.042 pp | +0.095 pp | +90.2% | Yes |
| Keysight Technologies → KEYS | United States | $26.2bn | 0.094% | +0.041 pp | +0.094 pp | +31.7% | Yes |
| Teledyne Technologies → TDY | United States | $15.5bn | 0.056% | +0.028 pp | +0.056 pp | +12.1% | 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.