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
0.49%
Industry change · 12M
-0.08 pp
Passenger Airlines · contribution
-0.077 pp
Company participation
100%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Southwest Airlines →
LUV
United States$28.7bn0.165%+0.071 pp-0.042 pp-8.3%Yes
Delta Air Lines →
DAL
United States$35.1bn0.201%+0.079 pp-0.036 pp-3.3%Yes
United Airlines Holdings →
UAL
United States$21.3bn0.122%+0.041 pp+0.001 pp+14.8%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.