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
Semiconductors13.54%+10.43 ppSystems Software8.64%+2.13 ppApplication Software3.56%+0.95 ppTechnology Hardware, Storage & Peripherals6.94%+0.63 ppCommunications Equipment1.06%+0.51 ppIT Consulting & Other Services1.15%+0.36 ppSemiconductor Materials & Equipment0.64%+0.19 ppElectronic Components0.23%+0.13 ppElectronic Equipment & Instruments0.28%+0.06 ppElectronic Manufacturing Services0.16%+0.05 ppInternet Services & Infrastructure0.14%+0.04 ppTechnology Distributors0.05%-0.01 pp
3 · Sub-industry
Inside Electronic Equipment & Instruments
Electronic Equipment & Instruments · weight
0.28%
Industry change · 12M
+0.06 pp
Electronic Equipment & Instruments · contribution
+0.056 pp
Company participation
0%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Jun 2025 · 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 | $60.9bn | 0.131% | -0.019 pp | +0.018 pp | +1.1% | No |
| Teledyne Technologies → TDY | United States | $24.0bn | 0.052% | -0.004 pp | +0.017 pp | +32.0% | No |
| Keysight Technologies → KEYS | United States | $28.2bn | 0.061% | -0.001 pp | +0.016 pp | +19.8% | No |
| Zebra Technologies → ZBRA | United States | $15.7bn | 0.034% | -0.001 pp | +0.004 pp | -0.2% | 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.