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
0.14%
Industry change · 12M
+0.08 pp
Broadcasting · contribution
+0.081 pp
Company participation
100%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Dec 2025 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Warner Bros. Discovery →
WBD
United States$71.4bn0.140%+0.043 pp+0.081 pp+172.7%Yes
Fox Corporation (Class B) →
FOX
United States$0.0bn0.000%+0.000 pp+0.000 pp+43.4%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.