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
0.20%
Industry change · 12M
-0.01 pp
Passenger Airlines · contribution
-0.005 pp
Company participation
100%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Dec 2025 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Southwest Airlines →
LUV
United States$21.4bn0.042%+0.008 pp-0.004 pp+25.6%Yes
United Airlines Holdings →
UAL
United States$36.2bn0.071%+0.008 pp-0.002 pp+15.2%Yes
Delta Air Lines →
DAL
United States$45.3bn0.089%+0.015 pp+0.000 pp+16.1%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.