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 & Peripherals7.88%-1.46 ppSemiconductors4.19%+0.87 ppSystems Software8.78%+0.79 ppApplication Software3.59%+0.33 ppSemiconductor Materials & Equipment0.59%+0.18 ppCommunications Equipment0.80%-0.09 ppElectronic Manufacturing Services0.17%+0.04 ppElectronic Equipment & Instruments0.33%-0.03 ppInternet Services & Infrastructure0.09%-0.03 ppTechnology Distributors0.09%+0.02 ppIT Consulting & Other Services1.18%+0.01 ppElectronic Components0.14%+0.00 pp
3 · Sub-industry
Inside Electronic Equipment & Instruments
Electronic Equipment & Instruments · weight
0.33%
Industry change · 12M
-0.03 pp
Electronic Equipment & Instruments · contribution
-0.033 pp
Company participation
25%
of industry constituents above their 6M weight average
4 · Companies driving this sub-industry
Apr 2024 · 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 |
|---|---|---|---|---|---|---|---|
| Teledyne Technologies → TDY | United States | $18.1bn | 0.052% | -0.006 pp | -0.013 pp | -7.9% | No |
| Keysight Technologies → KEYS | United States | $25.8bn | 0.075% | -0.005 pp | -0.012 pp | +2.3% | No |
| Roper Technologies → ROP | United States | $54.7bn | 0.159% | -0.012 pp | -0.005 pp | +13.1% | No |
| Zebra Technologies → ZBRA | United States | $16.2bn | 0.047% | +0.010 pp | -0.003 pp | +9.2% | 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.