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
0.39%
Industry change · 12M
-0.02 pp
Electronic Equipment & Instruments · contribution
-0.024 pp
Company participation
75%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Feb 2023 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Zebra Technologies →
ZBRA
United States$15.4bn0.054%+0.007 pp-0.022 pp-27.4%Yes
Roper Technologies →
ROP
United States$45.7bn0.161%+0.003 pp-0.004 pp-3.4%Yes
Teledyne Technologies →
TDY
United States$20.2bn0.071%+0.004 pp+0.001 pp+0.2%Yes
Keysight Technologies →
KEYS
United States$28.6bn0.101%-0.009 pp+0.001 pp+1.6%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.