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›Rail Transportation›Rail Transportation

1 · Sector

Weight and 12M allocation change

Consumer Discretionary11.0%+3.61 pp Health Care17.7%+1.59 pp Energy3.6%+1.22 pp Consumer Staples7.8%+0.78 pp Utilities3.5%+0.51 pp Real Estate3.3%+0.14 pp Materials3.0%-0.15 pp Communication Services3.3%-1.01 pp Information Technology25.3%-2.16 pp Industrials9.6%-2.22 pp Financials12.0%-2.30 pp

2 · Industry

Inside Industrials

Aerospace & Defense2.24%-1.78 pp Industrial Conglomerates0.77%-0.20 pp Building Products0.47%-0.11 pp Human Resource & Employment Services0.53%+0.09 pp Environmental & Facilities Services0.50%+0.08 pp Passenger Airlines0.18%-0.07 pp Industrial Machinery & Supplies & Components1.02%-0.06 pp Air Freight & Logistics0.68%-0.05 pp Electrical Components & Equipment0.58%-0.05 pp Heavy Electrical Equipment0.04%-0.05 pp Research & Consulting Services0.19%-0.03 pp Agricultural & Farm Machinery0.40%+0.03 pp Construction Machinery & Heavy Transportation Equipment0.59%-0.02 pp Trading Companies & Distributors0.13%-0.01 pp Construction & Engineering0.12%+0.01 pp Rail Transportation0.90%+0.00 pp Cargo Ground Transportation0.12%-0.00 pp Data Processing & Outsourced Services0.07%-0.00 pp Diversified Support Services0.11%-0.00 pp Passenger Ground Transportation0.00%+0.00 pp

3 · Sub-industry

Inside Rail Transportation

Rail Transportation0.90%+0.004 pp

Concentrated

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

View all contributions →

Rail Transportation · weight

0.90%

Industry change · 12M

+0.00 pp

Rail Transportation · contribution

+0.004 pp

Company participation

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Sep 2022 · 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
Union Pacific Corporation → UNP	United States	$121.7bn	0.478%	-0.043 pp	+0.029 pp	+1.5%	No
Norfolk Southern → NSC	United States	$49.2bn	0.194%	-0.017 pp	-0.014 pp	-10.8%	No
CSX Corporation → CSX	United States	$57.0bn	0.224%	-0.022 pp	-0.011 pp	-9.4%	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.