Beneficial Ownership Report · SCHEDULE 13G/A
Western Midstream Partners, LP
WESNYSEEQUITYCurrent
Beneficial Ownership Report
Structured filing — SCHEDULE 13G/A
primary_doc.xml
Amendment · This filing reports the amendment as submitted.
Subject company
- Company
- Western Midstream Partners LP
- Company CIK
- 0001423902
- Street
- 9950 Woodloch Forest Drive
- Street (continued)
- Suite 2800
- City
- The Woodlands
- State / country code
- TX
- Postal code
- 77380-7046
Statement details
- Amendment number
- 11
- Security class
- Common Units Representing Limited Partner Interests
- Event date
- 09/30/2026
- Rule designation
- Rule 13d-1(b)
Reporting person 1
- Name
- ALPS Advisors, Inc.
- Citizenship / organization
- CO
- Reporting person type
- IA
- Aggregate amount owned
- 37,364,470.00
- Percent of class
- 9.04
- Sole voting power
- 0.00
- Shared voting power
- 37,364,470.00
- Sole dispositive power
- 0.00
- Shared dispositive power
- 37,364,470.00
- Aggregate excludes certain shares
- N
Reporting person 2
- Name
- Alerian MLP ETF
- Citizenship / organization
- DE
- Reporting person type
- IV
- Aggregate amount owned
- 36,947,122.00
- Percent of class
- 8.94
- Sole voting power
- 0.00
- Shared voting power
- 36,947,122.00
- Sole dispositive power
- 0.00
- Shared dispositive power
- 36,947,122.00
- Aggregate excludes certain shares
- N
Item 1
Issuer
Western Midstream Partners LP
Principal executive office address
9950 Woodloch Forest Drive, Suite 2800, The Woodlands, TX, 77380-7046
Item 2
Citizenship
(1) ALPS Advisors, Inc.: Colorado (2) Alerian MLP ETF: Delaware
Filing person
(1) ALPS Advisors, Inc. (2) Alerian MLP ETF
Principal business or residence address
(1) ALPS Advisors, Inc.: 1290 Broadway, Suite 1000, Denver, CO, 80203 (2) Alerian MLP ETF: 1290 Broadway, Suite 1000, Denver, CO, 80203
Item 3
Not applicable indication
N
Type of filing person
IV · IA
Item 4
Percent of class
(1) ALPS Advisors, Inc.: 9.04% (2) Alerian MLP ETF: 8.94%
Amount beneficially owned
(1) ALPS Advisors, Inc.: 37364470 (2) Alerian MLP ETF: 36947122
Sole voting power
0
Shared voting power
(1) ALPS Advisors, Inc.: 37364470 (2) Alerian MLP ETF: 36947122
Sole dispositive power
0
Shared dispositive power
(1) ALPS Advisors, Inc.: 37364470 (2) Alerian MLP ETF: 36947122
Item 5
Not applicable indication
Y
Item 6
Not applicable indication
N
Ownership on behalf of another person
ALPS Advisors, Inc. ("AAI"), an investment adviser registered under Section 203 of the Investment Advisors Act of 1940, furnishes investment advice to investment companies registered under the Investment Company Act of 1940 (collectively referred to as the "Funds"). In its role as investment advisor, AAI has voting and/or investment power over the securities of the Issuer that are owned by the Funds, and may be deemed to be the beneficial owner of the shares of the Issuer held by the Funds. However, all securities reported in this schedule are owned by the Funds. AAI disclaims beneficial ownership of such securities. In addition, the filing of this Schedule 13G shall not be construed as an admission that the reporting person or any of its affiliates is the beneficial owner of any securities covered by this Schedule 13G for any other purposes than Section 13(d) of the Securities Exchange Act of 1934. Alerian MLP ETF is an investment company registered under the Investment Company Act of 1940 and is one of the Funds to which AAI provides investment advice.
Item 7
Not applicable indication
Y
Item 8
Not applicable indication
Y
Item 9
Not applicable indication
Y
Item 10
Not applicable indication
N
Certifications
By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.
Signature 1
- Reporting person
- ALPS Advisors, Inc.
- Signed
- /s/ Matthew Sutula
- Title
- Matthew Sutula, Chief Compliance Officer
- Date
- 10/05/2026
Signature 2
- Reporting person
- Alerian MLP ETF
- Signed
- /s/ Matthew Sutula
- Title
- Matthew Sutula, Chief Compliance Officer
- Date
- 10/05/2026
Company context
Western Midstream Partners, LP (“WES”) is a master limited partnership formed to develop, acquire, own, and operate midstream assets. With midstream assets located in Texas, New Mexico, Colorado, Utah, and Wyoming, WES is engaged in the business of gathering, compressing, treating, processing, and transporting natural gas; gathering, stabilizing, and transporting condensate, natural-gas liquids, and crude oil; and gathering, transporting, recycling, treating, and disposing of produced water for its customers. In its capacity as a natural-gas processor, WES also buys and sells residue, natural-gas liquids, and condensate on behalf of itself and its customers under certain gas processing contracts. A substantial majority of WES’s cash flows are protected from direct exposure to commodity price volatility through fee-based contracts.