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
0.30%
Industry change · 12M
-0.25 pp
Passenger Airlines · contribution
-0.254 pp
Company participation
0%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

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

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Southwest Airlines →
LUV
United States$26.1bn0.093%-0.021 pp-0.112 pp-22.7%No
Delta Air Lines →
DAL
United States$34.2bn0.122%-0.005 pp-0.109 pp-9.9%No
United Airlines Holdings →
UAL
United States$22.8bn0.082%+0.004 pp-0.033 pp+23.5%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.