Alerian MLP Infrastructure Index

Alerian MLP Infrastructure Index

The Alerian MLP Infrastructure Index is a composite of energy infrastructure Master Limited Partnerships (MLPs). The capped, float-adjusted, capitalization-weighted index, whose 25 constituents earn the majority of their cash flow from the transportation, storage, and processing of energy commodities, is disseminated real-time on a price-return basis (AMZI) and on a total-return basis (AMZIX).


Index Characteristics

Index Symbol (Price Return)AMZI
Index Symbol (Total Return)AMZIX
Number of Companies25
Market Capitalization$348 billion
Adjusted Market Capitalization$244 billion
RebalancingsQuarterly

Index Yield

Top 10 Constituents

Company NameSectorTickerMarket Cap (M)Index WeightFloat
Kinder Morgan Energy Partners LPPetroleum TransportationKMP$26,2529.8%91%
Enterprise Products Partners LPNatural Gas TransportationEPD$68,6829.6%63%
Energy Transfer Partners LPNatural Gas TransportationETP$17,8817.0%90%
Plains All American Pipeline LPPetroleum TransportationPAA$20,4977.0%95%
Magellan Midstream Partners LPPetroleum TransportationMMP$17,9576.8%100%
MarkWest Energy Partners LPGathering & ProcessingMWE$12,2976.0%90%
Regency Energy Partners LPGathering & ProcessingRGP$11,5945.0%78%
Buckeye Partners LPPetroleum TransportationBPL$9,1854.9%100%
ONEOK Partners LPNatural Gas TransportationOKS$13,7674.7%62%
Williams Partners LPGathering & ProcessingWPZ$23,3544.4%34%

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: 08/01/14

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