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 Constituents39
Market Capitalization$275 billion
Adjusted Market Capitalization$158 billion
RebalancingsQuarterly

Index Yield

Top 10 Constituents

ConstituentSectorTickerPriceYieldMarket Cap (M)Index Weight
Energy Transfer LPPipeline Transportation | Natural GasET$0.000.0%$010.4%
Enterprise Products Partners LPPipeline Transportation | Natural GasEPD$27.056.4%$59,04110.1%
Magellan Midstream Partners LPPipeline Transportation | PetroleumMMP$62.996.3%$14,3749.6%
MPLX LPGathering + Processing | Natural GasMPLX$34.107.6%$28,1269.6%
Plains All American Pipeline LPPipeline Transportation | PetroleumPAA$23.315.2%$18,5879.2%
Western Gas Partners LPGathering + Processing | Natural GasWES$40.179.8%$6,6954.6%
Buckeye Partners LPPipeline Transportation | PetroleumBPL$33.009.1%$5,0714.2%
Andeavor Logistics LPPipeline Transportation | PetroleumANDX$40.2510.2%$9,8813.6%
EQM Midstream Partners LPPipeline Transportation | Natural GasEQM$44.9210.1%$5,4113.5%
Tallgrass Energy LPPipeline Transportation | PetroleumTGE$0.000.0%$03.2%

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: 02/08/19

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