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 & Peripherals4.28%+4.27 ppSystems Software3.58%+3.57 ppSemiconductors1.83%+1.83 ppApplication Software1.78%+1.78 ppIT Consulting & Other Services0.63%+0.63 ppCommunications Equipment0.46%+0.46 ppSemiconductor Materials & Equipment0.29%+0.29 ppElectronic Equipment & Instruments0.21%+0.21 ppElectronic Manufacturing Services0.09%+0.09 ppInternet Services & Infrastructure0.07%+0.07 ppElectronic Components0.07%+0.07 ppTechnology Distributors0.04%+0.04 pp
3 · Sub-industry
Inside Electronic Equipment & Instruments
Electronic Equipment & Instruments · weight
0.21%
Industry change · 12M
+0.21 pp
Electronic Equipment & Instruments · contribution
+0.212 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Feb 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 | $39.6bn | 0.079% | -0.111 pp | +0.079 pp | +8.0% | No |
| Zebra Technologies → ZBRA | United States | $26.7bn | 0.053% | -0.032 pp | +0.053 pp | +136.7% | No |
| Keysight Technologies → KEYS | United States | $26.3bn | 0.053% | -0.043 pp | +0.053 pp | +49.3% | No |
| Teledyne Technologies → TDY | United States | $13.7bn | 0.027% | -0.032 pp | +0.027 pp | +10.0% | 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.