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

Latest available · not live

20182026

Universe›Industrials›Passenger Airlines›Passenger Airlines

1 · Sector

Weight and 12M allocation change

Information Technology43.1%+4.93 pp Energy3.8%+1.55 pp Health Care10.6%+0.26 pp Materials1.9%-0.22 pp Communication Services2.1%-0.27 pp Real Estate1.8%-0.35 pp Industrials9.1%-0.58 pp Utilities2.1%-0.61 pp Consumer Staples5.4%-0.78 pp Consumer Discretionary10.3%-1.78 pp Financials9.7%-2.16 pp

2 · Industry

Inside Industrials

Aerospace & Defense2.18%-0.41 pp Electrical Components & Equipment0.89%+0.29 pp Industrial Conglomerates0.28%-0.23 pp Construction Machinery & Heavy Transportation Equipment0.92%+0.19 pp Passenger Ground Transportation0.24%-0.17 pp Construction & Engineering0.34%+0.12 pp Industrial Machinery & Supplies & Components0.79%-0.12 pp Environmental & Facilities Services0.31%-0.12 pp Diversified Support Services0.20%-0.10 pp Human Resource & Employment Services0.23%-0.10 pp Heavy Electrical Equipment0.45%+0.09 pp Building Products0.47%-0.07 pp Research & Consulting Services0.06%-0.07 pp Agricultural & Farm Machinery0.30%+0.06 pp Cargo Ground Transportation0.12%+0.04 pp Trading Companies & Distributors0.27%+0.04 pp Data Processing & Outsourced Services0.03%-0.02 pp Air Freight & Logistics0.29%+0.02 pp Passenger Airlines0.19%+0.02 pp Rail Transportation0.53%-0.02 pp

3 · Sub-industry

Inside Passenger Airlines

Passenger Airlines0.19%+0.017 pp

Concentrated

Most of this industry's gains came from a few companies.

View all contributions →

Passenger Airlines · weight

0.19%

Industry change · 12M

+0.02 pp

Passenger Airlines · contribution

+0.017 pp

Company participation

33%

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Sep 2026 · sorted by absolute contribution to 12-month change

Company	Country	Market cap	Universe weight	3M contribution	12M contribution	12M price return	Above 6M weight average
Delta Air Lines → DAL	United States	$54.9bn	0.092%	-0.015 pp	+0.018 pp	+48.7%	Yes
United Airlines Holdings → UAL	United States	$36.0bn	0.060%	-0.016 pp	-0.002 pp	+15.0%	No
Southwest Airlines → LUV	United States	$20.4bn	0.034%	-0.009 pp	+0.001 pp	+32.8%	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.