Alerian Mid Cap MLP Index

The Alerian Mid Cap MLP Index is a composite of mid-cap energy Master Limited Partnerships (MLPs). The capitalization-weighted index, which represents approximately 20% of total market capitalization, is disseminated real-time on a price-return basis (AMMI) and on a total return-basis (AMMIX).


Index Characteristics

Index Symbol (Price Return)AMMI
Index Symbol (Total Return)AMMIX
Number of Constituents25
Market Capitalization$72 billion
RebalancingsQuarterly

Index Yield

Top 10 Constituents

ConstituentSectorTickerPriceYieldMarket Cap (M)Index Weight
Andeavor Logistics LPPipeline Transportation | PetroleumANDX$48.227.8%$5,2087.3%
DCP Midstream LPGathering + Processing | Natural GasDCP$30.6910.2%$4,3986.3%
AmeriGas Partners LPMarketing | RetailAPU$42.798.9%$3,9785.7%
Boardwalk Pipeline Partners LPPipeline Transportation | Natural GasBWP$14.852.7%$3,7175.4%
NuStar Energy LPPipeline Transportation | PetroleumNS$38.2211.5%$3,5565.3%
Tallgrass Energy GP LPPipeline Transportation | PetroleumTEGP$23.764.8%$3,7365.3%
TC PipeLines LPPipeline Transportation | Natural GasTCP$50.557.4%$3,4855.1%
Antero Midstream GP LPGathering + Processing | Natural GasAMGP$18.371.7%$3,4204.9%
Dominion Energy Midstream Partners LPPipeline Transportation | Natural GasDM$26.254.2%$3,4004.8%
Tallgrass Energy Partners LPPipeline Transportation | PetroleumTEP$45.307.4%$3,2814.8%

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: 08/11/17

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