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 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 Companies24
Market Capitalization$298 billion
Adjusted Market Capitalization$204 billion
RebalancingsQuarterly

Index Yield

Top 10 Constituents

Company NameSectorTickerPriceYieldMarket Cap (M)Index Weight
Enterprise Products Partners LPNatural Gas TransportationEPD$33.844.4%$66,81410.4%
Plains All American Pipeline LPPetroleum TransportationPAA$51.115.3%$20,3037.7%
MarkWest Energy Partners LPGathering & ProcessingMWE$69.225.2%$13,7567.6%
Williams Partners LPGathering & ProcessingWPZ$50.306.8%$30,2127.5%
Magellan Midstream Partners LPPetroleum TransportationMMP$82.313.4%$18,7197.4%
Energy Transfer Partners LPNatural Gas TransportationETP$55.677.2%$19,9017.1%
Targa Resources Partners LPGathering & ProcessingNGLS$44.917.2%$7,9644.9%
Buckeye Partners LPPetroleum TransportationBPL$79.755.7%$10,1474.7%
ONEOK Partners LPNatural Gas TransportationOKS$42.057.5%$10,6734.6%
Sunoco Logistics Partners LPPetroleum TransportationSXL$43.003.7%$9,8724.6%

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: 04/17/15

Back To
Top