• Alerian MLP Index

    The Alerian MLP Index is the leading gauge of energy infrastructure Master Limited Partnerships (MLPs). The capped, float-adjusted, capitalization-weighted index, whose constituents earn the majority of their cash flow from midstream activities involving energy commodities, is disseminated real-time on a price-return basis (AMZ) and on a total-return basis (AMZX).


    Index Characteristics

    Index Symbol (Price Return)AMZ
    Index Symbol (Total Return)AMZX
    Number of Constituents34
    Market Capitalization$262 billion
    Adjusted Market Capitalization$154 billion
    RebalancingsQuarterly

    Index Yield

    Top 10 Constituents

    ConstituentsSectorTickerPriceYieldMarket Cap (M)Index Weight
    Magellan Midstream Partners LPPipeline Transportation | PetroleumMMP$60.286.7%$13,76810.9%
    Enterprise Products Partners LPPipeline Transportation | Natural GasEPD$26.156.7%$57,07710.4%
    MPLX LPGathering & Processing MPLX$23.4211.2%$25,48510.1%
    Energy Transfer LPPipeline Transportation | Natural GasET$11.1810.9%$29,28810.0%
    Plains All American Pipeline LPPipeline Transportation | PetroleumPAA$17.378.3%$13,8609.5%
    Buckeye Partners LPPipeline Transportation | PetroleumBPL$41.467.2%$6,3816.9%
    Western Midstream Partners LPGathering & Processing WES$19.3612.6%$8,7705.3%
    Tallgrass Energy LPPipeline Transportation | PetroleumTGE$18.0911.7%$5,0893.4%
    Phillips 66 Partners LPPipeline Transportation | PetroleumPSXP$55.006.2%$7,6203.3%
    NuStar Energy LPPipeline Transportation | PetroleumNS$28.348.5%$3,7132.9%

    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. The Alerian MLP Index is the exclusive property of Alerian, which has contracted with Standard & Poors ("S&P") to maintain and calculate the Index. S&P shall have no liability for any errors or omissions in calculating the Index.

    Last Updated: 09/06/19

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