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
+0.15 pp
Passenger Airlines · contribution
+0.155 pp
Company participation
33%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Delta Air Lines →
DAL
United States$37.6bn0.205%+0.008 pp+0.074 pp+1.5%Yes
United Airlines Holdings →
UAL
United States$21.7bn0.118%-0.001 pp+0.041 pp-3.6%No
Southwest Airlines →
LUV
United States$28.1bn0.153%+0.002 pp+0.040 pp-13.5%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.