Alerian Energy Infrastructure Index

The Alerian Energy Infrastructure Index is a composite of North American energy infrastructure companies. The capped, float-adjusted, capitalization-weighted index, whose constituents are engaged in midstream activities involving energy commodities, is disseminated real-time on a price-return basis (AMEI) and on a total-return basis (AMEIX).


Index Characteristics

Index Symbol (Price Return)AMEI
Index Symbol (Total Return)AMEIX
Number of Constituents33
Market Capitalization$485 billion
Adjusted Market Capitalization$373 billion
RebalancingsQuarterly, Special

Index Yield

Top 10 Constituents

ConstituentSectorTickerPriceYieldMarket Cap (M)Index Weight
Dominion Energy IncDistribution | Electricity + Natural GasD$80.013.8%$51,4135.1%
$0.000.0%$00.0%
ONEOK IncGathering + Processing | Natural GasOKE$55.415.4%$21,0565.1%
TransCanada CorpPipeline Transportation | Natural GasTRP.TO$61.584.1%$53,6365.1%
Enterprise Products Partners LPPipeline Transportation | Natural GasEPD$25.046.7%$53,8115.1%
Macquarie Infrastructure CorpStorage | LiquidsMIC$69.647.9%$5,8725.0%
CenterPoint Energy IncDistribution | Electricity + Natural GasCNP$29.553.6%$12,7395.0%
Targa Resources CorpGathering + Processing | Natural GasTRGP$43.038.5%$9,2725.0%
SemGroup CorpPipeline Transportation | PetroleumSEMG$26.056.9%$2,0495.0%
Enbridge IncPipeline Transportation | PetroleumENB.TO$49.464.9%$81,3625.0%

Sector Weightings

The accuracy and/or completeness of any Alerian index, any data included therein, or any data from which it is based is not guaranteed by Alerian, and it shall have no liability for any errors, omissions, or interruptions therein. Alerian makes no warranties, express or implied, as to results to be obtained from use of information provided by Alerian and used in this service, and Alerian expressly disclaims all warranties of suitability with respect thereto.

Last Updated: 10/13/17

Back To
Top