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%+15.12 pp Health Care17.0%+8.92 pp Financials12.8%+5.42 pp Consumer Staples7.5%+3.67 pp Industrials10.3%+3.67 pp Energy3.3%+2.11 pp Real Estate3.4%+1.82 pp Utilities3.4%+1.74 pp Materials3.3%+1.63 pp Communication Services3.6%+1.16 pp Consumer Discretionary7.0%-45.25 pp

2 · Industry

Inside Industrials

Rail Transportation1.09%+0.62 pp Industrial Machinery & Supplies & Components1.03%+0.43 pp Air Freight & Logistics0.78%+0.37 pp Electrical Components & Equipment0.61%+0.28 pp Industrial Conglomerates0.84%+0.27 pp Human Resource & Employment Services0.49%+0.26 pp Construction Machinery & Heavy Transportation Equipment0.63%+0.24 pp Environmental & Facilities Services0.42%+0.22 pp Building Products0.50%+0.20 pp Agricultural & Farm Machinery0.43%+0.20 pp Research & Consulting Services0.21%+0.11 pp Aerospace & Defense2.36%+0.10 pp Cargo Ground Transportation0.13%+0.07 pp Trading Companies & Distributors0.14%+0.07 pp Construction & Engineering0.11%+0.06 pp Passenger Airlines0.23%+0.06 pp Diversified Support Services0.11%+0.06 pp Data Processing & Outsourced Services0.06%+0.03 pp Heavy Electrical Equipment0.06%+0.02 pp Passenger Ground Transportation0.00%+0.00 pp

3 · Sub-industry

Inside Rail Transportation

Rail Transportation1.09%+0.623 pp

Concentrated

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

View all contributions →

Rail Transportation · weight

1.09%

Industry change · 12M

+0.62 pp

Rail Transportation · contribution

+0.623 pp

Company participation

100%

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Mar 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	$174.0bn	0.586%	+0.067 pp	+0.297 pp	+26.4%	Yes
CSX Corporation → CSX	United States	$82.1bn	0.276%	+0.009 pp	+0.229 pp	+17.8%	Yes
Norfolk Southern → NSC	United States	$68.4bn	0.230%	-0.002 pp	+0.098 pp	+7.9%	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.