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
0.00%
Industry change · 12M
-0.29 pp
Electronic Equipment & Instruments · contribution
-0.290 pp
Company participation
0%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

May 2020 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Roper Technologies →
ROP
United States$41.1bn0.000%+0.000 pp-0.208 pp+15.2%No
Keysight Technologies →
KEYS
United States$20.3bn0.000%+0.000 pp-0.082 pp+43.9%No
Zebra Technologies →
ZBRA
United States$13.9bn0.000%+0.000 pp+0.000 pp+52.4%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.