Allspring holds 1.46M shares (5.1%) of AllianceBernstein

Allspring Global Investments Holdings, LLC reports beneficial ownership of 1,464,577 shares of AllianceBernstein National Mun Mutual Fund (CUSIP 01864U106), representing 5.1% of the class as of 03/31/2026.

Rhea-AI Filing Summary

Allspring Global Investments Holdings, LLC reports beneficial ownership of 1,464,577 shares of AllianceBernstein National Mun Mutual Fund (CUSIP 01864U106), representing 5.1% of the class as of 03/31/2026. The filer discloses sole voting power on 812,096 shares and sole dispositive power on 1,464,577 shares. The filing states these shares are owned of record by clients of investment advisers identified in Exhibit A and that no single client is known to own more than 5% of the class.

Key Figures

Beneficial ownership: 1,464,577 shares Percent of class: 5.1% Sole voting power: 812,096 shares +3 more

6 metrics

Beneficial ownership 1,464,577 shares Amount beneficially owned as reported on Schedule 13G

Percent of class 5.1% Percent of class as reported (as of 03/31/2026)

Sole voting power 812,096 shares Shares over which the filer has sole power to vote

Sole dispositive power 1,464,577 shares Shares over which the filer has sole power to dispose

CUSIP 01864U106 Identifier for AllianceBernstein National Mun Mutual Fund class

Filing signature date 04/14/2026 Date the Schedule 13G was signed by the filer

Key Terms

Beneficially owned, Sole dispositive power, Schedule 13G, Investment Adviser

4 terms

Beneficially owned regulatory

"Amount beneficially owned: 1,464,577 (b) Percent of class: 5.1 %"

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

Sole dispositive power regulatory

"Sole power to dispose or to direct the disposition of: 1,464,577"

Sole dispositive power is the exclusive legal authority to decide what happens to a security — for example, whether to sell, transfer, or retain shares — without needing anyone else’s permission. Investors care because it signals who truly controls the economic outcome of an investment: like holding the only key to a safe, the holder can realize gains or losses and may trigger regulatory reporting, insider rules, or influence over corporate ownership.

Schedule 13G regulatory

"form_type: "SCHEDULE 13G" in provided metadata"

A Schedule 13G is a formal document that investors file with the government when they acquire a large ownership stake in a company, usually for investment purposes rather than control. It helps keep the public informed about who owns significant parts of a company's shares, which can influence how the company is managed and how investors make decisions. Filing this schedule is important for transparency and understanding the ownership landscape of publicly traded companies.

Investment Adviser financial

"owned of record by clients of one or more investment Advisers identified in Exhibit A"

An investment adviser is a person or firm that professionally manages money and gives recommendations about buying, selling, or holding investments. Like a financial coach or guide, they have a legal duty to act in a client's best financial interest, so their advice, fees and potential conflicts can directly affect returns and risk — making their role important for investors who want informed, accountable help with portfolios.

FAQ

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

What stake did Allspring report in AllianceBernstein National Mun (AFB)?

Allspring reported a 5.1% stake via ownership of 1,464,577 shares. The filing shows this position is beneficially owned for clients of Allspring advisers and is reported on a Schedule 13G dated 03/31/2026.

What voting and disposition powers does Allspring hold in AFB?

Allspring reports sole voting power for 812,096 shares and sole dispositive power for 1,464,577 shares. The filing lists no shared voting or dispositive power for the reported position.

Are the shares reported held directly by Allspring or on behalf of clients?

The shares are held of record for clients of one or more Allspring investment advisers. Exhibit A identifies subsidiary advisers; no single client is reported to own more than 5% of the class.

When was this Schedule 13G signed and who signed it for Allspring?

The Schedule 13G was signed on 04/14/2026 by Jennifer Grunberg, Senior Compliance Manager. The ownership figures are reported as of 03/31/2026 in the filing text.

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

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Accepted by SEC EDGAR 04/14/2026 - 12:46 PM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

AllianceBernstein National Mun

(Name of Issuer)

Mutual Fund COM

(Title of Class of Securities)

01864U106

(CUSIP Number)

03/31/2026

(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)

schemaVersion:

SCHEDULE 13G

CUSIP Number(s): 01864U106

1

Names of Reporting Persons

Allspring Global Investments Holdings, LLC

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 812,096.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 1,464,577.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,464,577.00

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)

5.1 %

12

Type of Reporting Person (See Instructions)

HC

SCHEDULE 13G

Item 1.
(a)	Name of issuer: AllianceBernstein National Mun
(b)	Address of issuer's principal executive offices: 66 HUDSON BOULEVARD EAST, 26TH FLOOR NEW YORK NY 10001
Item 2.
(a)	Name of person filing: Allspring Global Investments Holdings, LLC
(b)	Address or principal business office or, if none, residence: 1415 Vantage Park Drive, Charlotte, 28203, North Carolina, United States
(c)	Citizenship: DELAWARE
(d)	Title of class of securities: Mutual Fund COM
(e)	CUSIP Number(s): 01864U106
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: 1,464,577
(b)	Percent of class: 5.1 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 812,096
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 1,464,577
	(iv) Shared power to dispose or to direct the disposition of: 0
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. The securities as to which this Schedule is filed are owned of record by clients of one or more investment Advisers identified in Exhibit A directly or indirectly owned by Allspring Global Investments Holdings, LLC. Those Clients have the right to receive, or the power to direct the receipt of, dividends from, or the proceeds for the sale of, such securities. No such client is known to have such right or power with respect to more than five percent of this class of securities, except as follows: None
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	If a parent holding company has filed this schedule, pursuant to Rule 13d-1(b)(ii)(G), so indicate under Item 3(g) and attach an exhibit stating the identity and the Item 3 classification of the relevant subsidiary. If a parent holding company has filed this schedule pursuant to Rule 13d-1(c) or Rule 13d-1(d), attach an exhibit stating the identification of the relevant subsidiary. See Exhibit A
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.

Allspring Global Investments Holdings, LLC

Signature:	Jennifer Grunberg
Name/Title:	Senior Compliance Manager
Date:	04/14/2026

Exhibit Information

Exhibit A Subsidiary Allspring Global Investments, LLC* - IA Allspring Funds Management, LLC - IA *Entity beneficially owns 5% or greater of the outstanding shares of the security class being reported on this schedule 13G.