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
0.26%
Industry change · 12M
+0.26 pp
Passenger Airlines · contribution
+0.256 pp
Company participation
0%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Sep 2021 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Southwest Airlines →
LUV
United States$30.4bn0.107%-0.004 pp+0.107 pp+37.1%No
Delta Air Lines →
DAL
United States$27.3bn0.096%-0.002 pp+0.096 pp+39.3%No
United Airlines Holdings →
UAL
United States$15.4bn0.054%-0.006 pp+0.054 pp+36.9%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.