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›Wireless Telecommunication Services›Wireless Telecommunication Services

1 · Sector

Weight and 12M allocation change

Consumer Discretionary11.0%+3.01 pp Energy3.9%+1.57 pp Health Care17.5%+1.30 pp Consumer Staples7.7%+0.79 pp Utilities3.4%+0.46 pp Industrials10.1%+0.13 pp Real Estate3.2%-0.06 pp Materials3.1%-0.11 pp Communication Services3.2%-0.50 pp Financials12.4%-0.81 pp Information Technology24.5%-5.78 pp

2 · Industry

Inside Communication Services

Movies & Entertainment0.71%-0.36 pp Cable & Satellite0.60%-0.32 pp Wireless Telecommunication Services0.64%+0.18 pp Integrated Telecommunication Services1.02%-0.10 pp Broadcasting0.09%+0.09 pp Advertising0.06%+0.01 pp Interactive Home Entertainment0.06%-0.00 pp

3 · Sub-industry

Inside Wireless Telecommunication Services

Wireless Telecommunication Services0.64%+0.180 pp

Concentrated

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

View all contributions →

Wireless Telecommunication Services · weight

0.64%

Industry change · 12M

+0.18 pp

Wireless Telecommunication Services · contribution

+0.180 pp

Company participation

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Nov 2022 · 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
T-Mobile US → TMUS	United States	$188.4bn	0.640%	-0.007 pp	+0.180 pp	+39.2%	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.