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
Electronic Equipment & Instruments · weight
0.42%
Industry change · 12M
-0.01 pp
Electronic Equipment & Instruments · contribution
-0.005 pp
Company participation
50%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Apr 2022 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Zebra Technologies →
ZBRA
United States$19.6bn0.071%-0.021 pp-0.024 pp-24.2%No
Teledyne Technologies →
TDY
United States$20.4bn0.074%+0.008 pp+0.013 pp-3.6%Yes
Roper Technologies →
ROP
United States$49.6bn0.179%+0.024 pp+0.010 pp+5.8%Yes
Keysight Technologies →
KEYS
United States$25.5bn0.092%-0.012 pp-0.005 pp-2.8%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.