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›Broadcasting›Broadcasting
Broadcasting · weight
0.08%
Industry change · 12M
-0.00 pp
Broadcasting · contribution
-0.000 pp
Company participation
0%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Dec 2023 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Warner Bros. Discovery →
WBD
United States$27.8bn0.083%-0.006 pp-0.000 pp+20.0%No
Fox Corporation (Class B) →
FOX
United States$0.0bn0.000%-0.000 pp-0.000 pp-1.2%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.