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
0.62%
Industry change · 12M
-0.03 pp
Electrical Components & Equipment · contribution
-0.028 pp
Company participation
100%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Emerson Electric →
EMR
United States$48.1bn0.195%+0.194 pp-0.033 pp+8.6%Yes
Rockwell Automation →
ROK
United States$29.1bn0.118%+0.118 pp+0.003 pp+26.2%Yes
Eaton Corporation →
ETN
United States$47.9bn0.194%+0.194 pp+0.002 pp+29.9%Yes
Ametek →
AME
United States$27.8bn0.113%+0.113 pp+0.001 pp+22.2%Yes

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.