Ameriprise Financial (NYSE: AMP) discloses 5.4% beneficial stake in Quanex (NX)

Rhea-AI Filing Summary

Ameriprise Financial, Inc. reported beneficial ownership of 2,453,837 shares of Quanex Building Products Corporation common stock, representing 5.4% of the class as of 12/31/2025. The shares have shared voting power over 2,447,897 shares and shared dispositive power over 2,453,837 shares, with no sole voting or dispositive power.

Ameriprise states that the securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control of Quanex. The company also disclaims beneficial ownership of any shares reported in this Schedule.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

Quanex Building Products Corporation

(Name of Issuer)

Common Stock

(Title of Class of Securities)

747619104

(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. 747619104

1

Names of Reporting Persons

Ameriprise Financial, 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

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 2,447,897.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 2,453,837.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

2,453,837.00

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)

5.4 %

12

Type of Reporting Person (See Instructions)

HC

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Quanex Building Products Corporation
(b)	Address of issuer's principal executive offices: 945 Bunker Hill Road, Suite 900, Houston, TX 77024
Item 2.
(a)	Name of person filing: Ameriprise Financial, Inc. ("AFI")
(b)	Address or principal business office or, if none, residence: 145 Ameriprise Financial Center, Minneapolis, MN 55474
(c)	Citizenship: Delaware
(d)	Title of class of securities: Common Stock
(e)	CUSIP No.: 747619104
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: Incorporated by reference to Items (5)-(9) and (11) of the cover page pertaining to the reporting person. AFI disclaims beneficial ownership of any shares reported on this Schedule.
(b)	Percent of class: The information required by Item 4(b) is set forth in Rows (5)-(9) and (11) of the cover page for the Reporting Person hereto and is incorporated herein by reference for the Reporting Person.
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: The information required by Item 4(c) is set forth in Rows (5)-(9) and (11) of the cover page for the Reporting Person hereto and is incorporated herein by reference for the Reporting Person.
	(ii) Shared power to vote or to direct the vote: The information required by Item 4(c) is set forth in Rows (5)-(9) and (11) of the cover page for the Reporting Person hereto and is incorporated herein by reference for the Reporting Person.
	(iii) Sole power to dispose or to direct the disposition of: The information required by Item 4(c) is set forth in Rows (5)-(9) and (11) of the cover page for the Reporting Person hereto and is incorporated herein by reference for the Reporting Person.
	(iv) Shared power to dispose or to direct the disposition of: The information required by Item 4(c) is set forth in Rows (5)-(9) and (11) of the cover page for the Reporting Person hereto and is incorporated herein by reference for the Reporting Person.
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.
	Not Applicable
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.

Ameriprise Financial, Inc.

Signature:	/s/ Michael G. Clarke
Name/Title:	Michael G. Clarke, Senior Vice President, North America Head of Operations & Investor Services
Date:	02/17/2026

Comments accompanying signature: Contact Information Charles Chiesa VP Fund Treasurer Global Operations and Investor Services Telephone: 617-385-9593

FAQ

How much of Quanex (NX) does Ameriprise Financial beneficially own?

Ameriprise Financial beneficially owns 2,453,837 shares of Quanex common stock, equal to 5.4% of the outstanding class as of December 31, 2025. This ownership is reported with shared voting and dispositive power rather than sole control over the shares.

What voting power does Ameriprise have over Quanex (NX) shares?

Ameriprise reports zero sole voting power and shared voting power over 2,447,897 Quanex shares. It also reports shared dispositive power over 2,453,837 shares. This means any decisions to vote or dispose are shared with other parties, not made unilaterally by Ameriprise.

Why did Ameriprise file a Schedule 13G for Quanex (NX)?

Ameriprise filed because its beneficial ownership reached more than 5% of Quanex’s common stock, triggering disclosure. It certifies the shares were acquired and are held in the ordinary course of business, not to change or influence control of the company’s management or policies.

Does Ameriprise seek control of Quanex Building Products Corporation (NX)?

Ameriprise states the Quanex securities were acquired and are held in the ordinary course of business and not for changing or influencing control of the issuer. The certification also notes the holdings are not in connection with any control-related transaction, except certain nomination activities referenced by rule.

Does Ameriprise claim full beneficial ownership of its Quanex (NX) position?

Ameriprise expressly disclaims beneficial ownership of any shares reported on this Schedule. That means, although it must report these holdings for regulatory purposes, it does not concede full economic or control benefits typically associated with beneficial ownership under securities regulations.

Who signed the Ameriprise ownership report for Quanex (NX)?

The report was signed by Michael G. Clarke, Senior Vice President and North America Head of Operations & Investor Services at Ameriprise. The signature certifies, after reasonable inquiry, that the information provided about Quanex share ownership is true, complete, and correct to the signer’s knowledge.