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
0.32%
Industry change · 12M
-0.23 pp
Passenger Airlines · contribution
-0.232 pp
Company participation
0%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Sep 2018 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Delta Air Lines →
DAL
United States$40.0bn0.127%-0.084 pp-0.103 pp+3.8%No
Southwest Airlines →
LUV
United States$35.8bn0.114%-0.065 pp-0.092 pp+3.5%No
United Airlines Holdings →
UAL
United States$24.3bn0.077%-0.040 pp-0.037 pp+31.3%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.