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
0.48%
Industry change · 12M
-0.06 pp
Passenger Airlines · contribution
-0.060 pp
Company participation
33%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Southwest Airlines →
LUV
United States$27.7bn0.147%-0.017 pp-0.049 pp-10.3%No
Delta Air Lines →
DAL
United States$39.7bn0.211%-0.002 pp-0.008 pp+15.1%Yes
United Airlines Holdings →
UAL
United States$23.6bn0.126%-0.005 pp-0.002 pp+14.3%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.