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
0.57%
Industry change · 12M
+0.01 pp
Passenger Airlines · contribution
+0.014 pp
Company participation
100%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Mar 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$38.7bn0.238%+0.007 pp+0.007 pp-2.9%Yes
United Airlines Holdings →
UAL
United States$19.8bn0.121%+0.007 pp+0.007 pp+2.4%Yes
Southwest Airlines →
LUV
United States$33.7bn0.207%+0.001 pp+0.001 pp-5.6%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.