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 Technology34.0%+4.14 pp Financials12.2%+0.98 pp Consumer Staples6.9%+0.08 pp Industrials9.8%+0.03 pp Utilities2.8%-0.10 pp Communication Services2.6%-0.24 pp Consumer Discretionary12.0%-0.29 pp Real Estate2.5%-0.34 pp Materials2.4%-0.46 pp Energy2.6%-0.67 pp Health Care12.1%-3.14 pp

2 · Industry

Inside Industrials

Passenger Ground Transportation0.33%+0.33 pp Aerospace & Defense2.14%-0.25 pp Heavy Electrical Equipment0.23%+0.21 pp Air Freight & Logistics0.41%-0.17 pp Rail Transportation0.62%-0.16 pp Diversified Support Services0.38%+0.14 pp Industrial Conglomerates0.59%-0.07 pp Industrial Machinery & Supplies & Components1.11%-0.07 pp Building Products0.56%+0.06 pp Agricultural & Farm Machinery0.28%-0.05 pp Construction Machinery & Heavy Transportation Equipment0.76%+0.05 pp Passenger Airlines0.20%+0.04 pp Human Resource & Employment Services0.39%-0.04 pp Research & Consulting Services0.16%-0.03 pp Environmental & Facilities Services0.47%-0.03 pp Trading Companies & Distributors0.18%+0.02 pp Construction & Engineering0.15%+0.02 pp Cargo Ground Transportation0.15%+0.02 pp Electrical Components & Equipment0.67%+0.02 pp Data Processing & Outsourced Services0.06%-0.01 pp

3 · Sub-industry

Inside Rail Transportation

Rail Transportation0.62%-0.160 pp

Concentrated

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

View all contributions →

Rail Transportation · weight

0.62%

Industry change · 12M

-0.16 pp

Rail Transportation · contribution

-0.160 pp

Company participation

100%

of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Nov 2024 · 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	$148.3bn	0.327%	-0.050 pp	-0.101 pp	+11.0%	Yes
CSX Corporation → CSX	United States	$70.5bn	0.156%	-0.005 pp	-0.043 pp	+14.7%	Yes
Norfolk Southern → NSC	United States	$62.4bn	0.138%	-0.002 pp	-0.016 pp	+29.3%	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.