ALPS Advisors, Alerian MLP ETF report 22.75% stake in Suburban Propane

ALPS Advisors, Inc. and Alerian MLP ETF reported a significant ownership position in Suburban Propane Partners LP.

Rhea-AI Filing Summary

ALPS Advisors, Inc. and Alerian MLP ETF reported a significant ownership position in Suburban Propane Partners LP. As of 12/31/2025, they beneficially owned 15,051,196 common units representing limited partner interests, equal to 22.75% of the class. Both entities report shared power to vote and dispose of these units, with no sole voting or dispositive power.

The units are owned by investment funds advised by ALPS Advisors, Inc., which may be deemed a beneficial owner due to its advisory role but expressly disclaims beneficial ownership. Alerian MLP ETF is one of these funds. The securities were acquired and are held in the ordinary course of business, and the reporting persons state they were not acquired for the purpose of changing or influencing control of Suburban Propane Partners LP.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What ownership stake in Suburban Propane Partners LP (SPH) is reported in this Schedule 13G/A?

The reporting persons disclose beneficial ownership of 15,051,196 common units of Suburban Propane Partners LP, representing 22.75% of the outstanding class as of 12/31/2025.

Who are the reporting persons in this Suburban Propane Partners LP (SPH) Schedule 13G/A?

The filing lists two reporting persons: ALPS Advisors, Inc., a Colorado-based investment adviser, and Alerian MLP ETF, a Delaware investment company advised by ALPS Advisors, Inc.

How much voting and dispositive power do ALPS Advisors and Alerian MLP ETF report over SPH units?

Both ALPS Advisors, Inc. and Alerian MLP ETF report 0 units with sole voting or dispositive power and 15,051,196 units with shared voting and shared dispositive power.

Does ALPS Advisors, Inc. claim full beneficial ownership of its Suburban Propane (SPH) holdings?

No. The filing explains that all securities are owned by the funds it advises, and ALPS Advisors, Inc. disclaims beneficial ownership of these units apart from its role under Section 13(d).

Are the Suburban Propane (SPH) units held to influence control of the company?

The certification states the securities were acquired and are held in the ordinary course of business and not for the purpose or effect of changing or influencing control of Suburban Propane Partners LP.

What type of investor is Alerian MLP ETF in relation to Suburban Propane Partners LP (SPH)?

Alerian MLP ETF is described as an investment company registered under the Investment Company Act of 1940 and is one of the funds advised by ALPS Advisors, Inc. that holds SPH units.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 01/06/2026 - 05:03 PM EST Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 6)

Suburban Propane Partners LP

(Name of Issuer)

Common Units Representing Limited Partner Interests

(Title of Class of Securities)

864482104

(CUSIP Number)

12/31/2025

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

SCHEDULE 13G

CUSIP No. 864482104

1

Names of Reporting Persons

ALPS Advisors, Inc.

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

COLORADO

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 15,051,196.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 15,051,196.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

15,051,196.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

22.75 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

CUSIP No. 864482104

1

Names of Reporting Persons

Alerian MLP ETF

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 15,051,196.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 15,051,196.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

15,051,196.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

22.75 %

12

Type of Reporting Person (See Instructions)

IV

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Suburban Propane Partners LP
(b)	Address of issuer's principal executive offices: 1 Suburban Plaza, 240 Route 10 West, PO Box 206, Whippany, NJ, 07981
Item 2.
(a)	Name of person filing: (1) ALPS Advisors, Inc. (2) Alerian MLP ETF
(b)	Address or principal business office or, if none, residence: (1) ALPS Advisors, Inc.: 1290 Broadway, Suite 1000, Denver, CO, 80203 (2) Alerian MLP ETF: 1290 Broadway, Suite 1000, Denver, CO, 80203
(c)	Citizenship: (1) ALPS Advisors, Inc.: Colorado (2) Alerian MLP ETF: Delaware
(d)	Title of class of securities: Common Units Representing Limited Partner Interests
(e)	CUSIP No.: 864482104
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: (1) ALPS Advisors, Inc.: 15051196 (2) Alerian MLP ETF: 15051196
(b)	Percent of class: (1) ALPS Advisors, Inc.: 22.75% (2) Alerian MLP ETF: 22.75%
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 0
	(ii) Shared power to vote or to direct the vote: (1) ALPS Advisors, Inc.: 15051196 (2) Alerian MLP ETF: 15051196
	(iii) Sole power to dispose or to direct the disposition of: 0
	(iv) Shared power to dispose or to direct the disposition of: (1) ALPS Advisors, Inc.: 15051196 (2) Alerian MLP ETF: 15051196
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than 5 percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required. 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.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

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

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

ALPS Advisors, Inc.

Signature:	/s/ Matthew Sutula
Name/Title:	Matthew Sutula, Chief Compliance Officer
Date:	01/06/2026

Alerian MLP ETF

Signature:	/s/ Matthew Sutula
Name/Title:	Matthew Sutula, Chief Compliance Officer
Date:	01/06/2026

Comments accompanying signature: After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.