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 Technology17.9%+7.83 pp Financials16.1%+6.61 pp Health Care16.1%+6.02 pp Industrials13.5%+5.47 pp Consumer Staples9.2%+4.37 pp Communication Services5.3%+3.38 pp Materials3.3%+2.18 pp Utilities4.0%+2.09 pp Real Estate3.9%+2.04 pp Energy3.6%+0.96 pp Consumer Discretionary7.1%-40.93 pp

2 · Industry

Inside Communication Services

Movies & Entertainment1.31%+1.26 pp Integrated Telecommunication Services2.44%+1.15 pp Cable & Satellite1.06%+0.56 pp Wireless Telecommunication Services0.36%+0.36 pp Advertising0.09%+0.04 pp Interactive Home Entertainment0.08%+0.03 pp Broadcasting0.00%+0.00 pp

3 · Sub-industry

Inside Cable & Satellite

Cable & Satellite1.06%+0.557 pp

Concentrated

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

View all contributions →

Cable & Satellite · weight

1.06%

Industry change · 12M

+0.56 pp

Cable & Satellite · contribution

+0.557 pp

Company participation

100%

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Sep 2019 · 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	$111.7bn	0.593%	+0.016 pp	+0.312 pp	+26.5%	Yes
Comcast → CMCSA	United States	$87.2bn	0.463%	+0.022 pp	+0.245 pp	+30.0%	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.