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›Industrials›Electrical Components & Equipment›Electrical Components & Equipment
Electrical Components & Equipment · weight
0.71%
Industry change · 12M
-0.01 pp
Electrical Components & Equipment · contribution
-0.010 pp
Company participation
25%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

May 2018 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Rockwell Automation →
ROK
United States$22.0bn0.134%-0.005 pp-0.010 pp-10.2%No
Eaton Corporation →
ETN
United States$33.5bn0.203%-0.010 pp-0.008 pp-7.2%No
Emerson Electric →
EMR
United States$44.6bn0.271%+0.000 pp+0.006 pp-0.6%Yes
Ametek →
AME
United States$16.9bn0.103%-0.002 pp+0.002 pp-4.1%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.