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›Communication Services›Cable & Satellite›Cable & Satellite

1 · Sector

Weight and 12M allocation change

Information Technology17.6%+1.59 pp Energy5.1%+0.44 pp Utilities3.3%+0.18 pp Real Estate3.4%+0.15 pp Consumer Discretionary7.1%+0.03 pp Materials2.1%-0.02 pp Health Care16.6%-0.10 pp Communication Services3.2%-0.30 pp Industrials15.2%-0.43 pp Financials18.0%-0.50 pp Consumer Staples8.4%-1.02 pp

2 · Industry

Inside Communication Services

Cable & Satellite0.79%-0.26 pp Integrated Telecommunication Services2.10%-0.14 pp Interactive Home Entertainment0.08%+0.08 pp Movies & Entertainment0.09%+0.03 pp Advertising0.10%-0.00 pp Broadcasting0.00%+0.00 pp Wireless Telecommunication Services0.00%+0.00 pp

3 · Sub-industry

Inside Cable & Satellite

Cable & Satellite0.79%-0.257 pp

Concentrated

Most of this industry's losses came from a few companies.

View all contributions →

Cable & Satellite · weight

0.79%

Industry change · 12M

-0.26 pp

Cable & Satellite · contribution

-0.257 pp

Company participation

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

Company	Country	Market cap	Universe weight	3M contribution	12M contribution	12M price return	Above 6M weight average
Charter Communications → CHTR	United States	$70.7bn	0.429%	-0.126 pp	-0.154 pp	-30.8%	No
Comcast → CMCSA	United States	$60.3bn	0.366%	-0.054 pp	-0.103 pp	-26.3%	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.