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›Industrials›Passenger Airlines›Passenger Airlines
Passenger Airlines · weight
0.46%
Industry change · 12M
+0.16 pp
Passenger Airlines · contribution
+0.163 pp
Company participation
33%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Oct 2019 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Southwest Airlines →
LUV
United States$30.2bn0.157%+0.010 pp+0.064 pp+15.8%Yes
Delta Air Lines →
DAL
United States$35.6bn0.186%-0.026 pp+0.058 pp+4.0%No
United Airlines Holdings →
UAL
United States$23.0bn0.120%-0.006 pp+0.041 pp+6.2%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.