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 basis (AMNA) and on a total-return basis (AMNAX).


Index Characteristics

Index Symbol (Price Return)AMNA
Index Symbol (Total Return)AMNAX
Number of Constituents59
Market Capitalization$593 billion
Adjusted Market Capitalization$417 billion
RebalancingsQuarterly

Index Yield

Top 10 Constituents

ConstituentSectorTickerPriceYieldMarket Cap (M)Index Weight
TC Energy CorpPipeline Transportation | Natural GasTRP.TO$63.014.8%$57,84910.3%
Enterprise Products Partners LPPipeline Transportation | Natural GasEPD$28.476.1%$62,14010.2%
Enbridge IncPipeline Transportation | PetroleumENB.TO$50.305.9%$101,7409.7%
Kinder Morgan IncPipeline Transportation | Natural GasKMI$19.674.1%$44,5269.2%
The Williams Companies IncGathering + Processing | Natural GasWMB$27.245.6%$32,9878.1%
Energy Transfer LPPipeline Transportation | Natural GasET$14.788.3%$38,7158.0%
ONEOK IncGathering + Processing | Natural GasOKE$66.495.2%$27,3686.6%
Pembina Pipeline CorpPipeline Transportation | PetroleumPPL.TO$47.534.8%$24,1454.3%
Cheniere Energy IncOther | LiquefactionLNG$65.640.0%$16,8973.9%
Magellan Midstream Partners LPPipeline Transportation | PetroleumMMP$60.366.6%$13,7863.3%

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. 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: 05/14/19

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