Alerian Large Cap MLP Index

The Alerian Large Cap MLP Index is a composite of large-cap energy Master Limited Partnerships (MLPs). The capitalization-weighted index, which represents approximately 70% of total market capitalization, is disseminated real-time on a price-return basis (AMLI) and on a total-return basis (AMLIX).

Index Characteristics

Index Symbol (Price Return)AMLI
Index Symbol (Total Return)AMLIX
Number of Constituents21
Market Capitalization$254 billion

Index Yield

Top 10 Constituents

ConstituentSectorTickerPriceYieldMarket Cap (M)Index Weight
Enterprise Products Partners LPPipeline Transportation | Natural GasEPD$25.046.7%$53,81122.4%
Energy Transfer Partners LPPipeline Transportation | Natural GasETP$17.2112.8%$19,8918.4%
Energy Transfer Equity LPPipeline Transportation | Natural GasETE$16.866.8%$19,5228.2%
Plains All American Pipeline LPPipeline Transportation | PetroleumPAA$20.0211.0%$15,8766.6%
Magellan Midstream Partners LPPipeline Transportation | PetroleumMMP$68.005.2%$15,5066.3%
MPLX LPGathering + Processing | Natural GasMPLX$33.376.7%$13,9925.7%
Cheniere Energy Partners LPOther | LiquefactionCQP$28.096.1%$13,5965.5%
Spectra Energy Partners LPPipeline Transportation | Natural GasSEP$42.496.7%$13,1885.5%
Western Gas Equity Partners LPGathering + Processing | Natural GasWGP$39.105.4%$8,5603.4%
Western Gas Partners LPGathering + Processing | Natural GasWES$48.407.4%$8,0033.3%

Sector Weightings


The Alerian Large Cap MLP Daily Risk Control 5% USD Excess Return Index (AML5UE) and Alerian Large Cap MLP Daily Risk Control 7% USD Excess Return Index (AML7UE) are sub-indices of the AMLIX that are disseminated daily and apply risk control to target 5% and 7% realized volatility, respectively. The risk control methodology applied to these indices can be found here. Additional parameters involved in the calibration of these indices can be found here.

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: 10/13/17

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