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
+0.21 pp
Electrical Components & Equipment · contribution
+0.213 pp
Company participation
50%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Sep 2019 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Eaton Corporation →
ETN
United States$34.9bn0.185%-0.004 pp+0.066 pp-1.6%No
Emerson Electric →
EMR
United States$41.1bn0.218%-0.003 pp+0.065 pp-10.0%Yes
Ametek →
AME
United States$21.0bn0.111%-0.000 pp+0.053 pp+16.9%Yes
Rockwell Automation →
ROK
United States$19.3bn0.102%-0.002 pp+0.029 pp-10.1%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.