Alerian US Midstream Energy Index

The Alerian US Midstream Energy Index is a broad-based composite of US 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 (AMUS) and on a total-return basis (AMUSX).

As September 28, 2023 Index Level 3-Month 6-Month 1-Year YTD
Price Return 563.1 7.9% 13.1% 18.0% 9.9%
Total Return 835.8 9.5% 16.7% 25.4% 15.2%
Net Total Return
Index Level 563.1
3-Month 7.9%
6-Month 13.1%
1-Year 18.0%
YTD 9.9%
Index Level 835.8
3-Month 9.5%
6-Month 16.7%
1-Year 25.4%
YTD 15.2%
Index Level

As of September 28, 2023


Index Symbol (Price Return) AMUS
Index Symbol (Total Return) AMUSX
Index Symbol (Net Total Return) NA
Number of Constituents 26
Market Capitalization $417 Billion
Adjusted Market Capitalization $228 Billion
Rebalancings Quarterly
Dividend Yield 5.8%


Top Index Constituents
As of September 28, 2023

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