ALPS Advisors Reports 9.04% Stake in Western Midstream Partners
Western Midstream Partners LP
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Filing Summary
Western Midstream Partners LP (WES) Filing: SCHEDULE 13G/A Reporting Entity: ALPS Advisors, Inc. / Alerian MLP ETF Beneficial Ownership: 37,364,470 units (9.04%) Alerian MLP ETF Holding: 36,947,122 units (8.94%) Event Date: September 30, 2026 Nature: Passive Institutional Holding Amendment
Comprehensive Analysis
Overview
On October 7, 2026, ALPS Advisors, Inc. filed Amendment No. 11 to Schedule 13G for Western Midstream Partners LP (WES). The filing reflects beneficial ownership as of September 30, 2026, primarily driven by holdings in the Alerian MLP ETF.
Ownership Details
- ALPS Advisors, Inc.:
- Aggregate Beneficial Ownership: 37,364,470 common units
- Class Percentage: 9.04%
- Voting Power: 0 sole / 37,364,470 shared
- Dispositive Power: 0 sole / 37,364,470 shared
- Alerian MLP ETF:
- Aggregate Beneficial Ownership: 36,947,122 common units
- Class Percentage: 8.94%
- Voting/Dispositive Power: Shared
Filing Context & Significance
- Filing Category: Schedule 13G/A under Rule 13d-1(b), indicating passive investment management in the ordinary course of business.
- Disclaimers: ALPS Advisors acts as an investment adviser to registered investment funds and disclaims beneficial ownership of the securities.
- Significance: Low. This represents a routine amendment reflecting passive holdings by an index-tracking ETF and fund manager, with no intent to influence or control the issuer.
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