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

Information Technology28.6%+15.24 pp Health Care16.6%+8.70 pp Financials13.3%+6.14 pp Industrials10.2%+4.03 pp Consumer Staples7.5%+3.95 pp Energy3.1%+1.92 pp Real Estate3.2%+1.74 pp Utilities3.2%+1.64 pp Materials3.2%+1.62 pp Communication Services3.9%+1.42 pp Consumer Discretionary7.2%-46.41 pp

2 · Industry

Inside Industrials

Rail Transportation1.01%+0.57 pp Industrial Machinery & Supplies & Components1.09%+0.53 pp Air Freight & Logistics0.79%+0.40 pp Aerospace & Defense2.48%+0.34 pp Industrial Conglomerates0.87%+0.32 pp Electrical Components & Equipment0.62%+0.30 pp Building Products0.52%+0.24 pp Human Resource & Employment Services0.45%+0.23 pp Environmental & Facilities Services0.40%+0.21 pp Construction Machinery & Heavy Transportation Equipment0.58%+0.20 pp Agricultural & Farm Machinery0.38%+0.16 pp Research & Consulting Services0.19%+0.10 pp Cargo Ground Transportation0.14%+0.09 pp Heavy Electrical Equipment0.07%+0.07 pp Passenger Airlines0.23%+0.07 pp Trading Companies & Distributors0.13%+0.06 pp Diversified Support Services0.11%+0.05 pp Construction & Engineering0.10%+0.05 pp Data Processing & Outsourced Services0.06%+0.03 pp Passenger Ground Transportation0.00%+0.00 pp

3 · Sub-industry

Inside Rail Transportation

Rail Transportation1.01%+0.566 pp

Concentrated

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

View all contributions →

Rail Transportation · weight

1.01%

Industry change · 12M

+0.57 pp

Rail Transportation · contribution

+0.566 pp

Company participation

67%

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Feb 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	$156.6bn	0.543%	+0.032 pp	+0.268 pp	+21.7%	Yes
CSX Corporation → CSX	United States	$74.4bn	0.258%	-0.002 pp	+0.211 pp	+12.4%	Yes
Norfolk Southern → NSC	United States	$61.5bn	0.213%	-0.005 pp	+0.086 pp	+3.4%	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.