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  • Alerian Midstream Energy Index

    The Alerian Midstream Energy Index is a broad-based composite of North American energy infrastructure companies. 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 (AMNA), total-return (AMNAX), net total-return (AMNAN), and adjusted net total-return (AMNTR) basis.

    Index Characteristics

    Index Symbol (Price Return)AMNA
    Index Symbol (Total Return)AMNAX
    Number of Constituents41
    Market Capitalization$466 billion
    Adjusted Market Capitalization$335 billion

    Index Yield

    Top 10 Constituents

    ConstituentsSectorTickerPriceYieldMarket Cap (M)Index Weight
    Kinder Morgan IncPipeline Transportation | Natural GasKMI$16.656.3%$37,68810.3%
    Enbridge IncPipeline Transportation | PetroleumENB.TO$46.407.0%$93,96910.3%
    TC Energy CorpPipeline Transportation | Natural GasTRP.TO$59.345.5%$55,78010.2%
    Enterprise Products Partners LPPipeline Transportation | Natural GasEPD$23.147.7%$50,58210.0%
    The Williams Companies IncGathering & ProcessingWMB$23.656.8%$28,7019.4%
    ONEOK IncPipeline Transportation | Natural GasOKE$51.517.3%$22,8817.4%
    Energy Transfer LPPipeline Transportation | Natural GasET$8.0215.2%$21,6216.1%
    Cheniere Energy IncLiquefactionLNG$73.750.0%$18,6046.0%
    Pembina Pipeline CorpPipeline Transportation | PetroleumPPL.TO$37.106.8%$20,4055.2%
    MPLX LPPipeline Transportation | PetroleumMPLX$26.4010.4%$27,9513.3%

    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 Midstream Energy 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: 04/09/21

    Market Data

    Alerian’s indexes are widely used by financial firms, industry stakeholders and professionals to support a variety of business functions. Alerian offers a range of end-of-day and historical index data subscriptions.

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