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
-0.04 pp
Electronic Equipment & Instruments · contribution
-0.043 pp
Company participation
0%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Zebra Technologies →
ZBRA
United States$15.4bn0.060%-0.014 pp-0.040 pp-44.5%No
Teledyne Technologies →
TDY
United States$17.6bn0.068%-0.007 pp+0.014 pp-10.4%No
Roper Technologies →
ROP
United States$41.8bn0.163%-0.005 pp-0.012 pp-15.6%No
Keysight Technologies →
KEYS
United States$24.8bn0.096%-0.000 pp-0.004 pp-10.7%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.