[SCHEDULE 13G/A] Atkore Inc. SEC Filing

Rhea-AI Filing Summary

The Vanguard Group filed Amendment No. 16 to Schedule 13G for Alaska Air Group (ALK) on 08 Aug 2025, reporting share ownership as of 31 Jul 2025.

• Beneficial ownership: 11,744,392 common shares, equal to 10.18 % of the outstanding class.
• Voting rights: Sole voting power 0; shared voting power 739,407.
• Dispositive rights: Sole dispositive power 10,931,711; shared dispositive power 812,681.
• Filing made under Rule 13d-1(b) as an investment adviser (IA); Vanguard states the shares are held in the ordinary course of business with no intent to influence control.

The disclosure confirms Vanguard’s passive, but >10 % stake, highlighting significant institutional sponsorship of ALK without an activist agenda.

Positive

• Vanguard’s 10.18 % stake signals substantial passive institutional confidence and may enhance trading liquidity for ALK.

Negative

• None.

Insights

Equity Portfolio Manager

TL;DR – Vanguard now owns 10.18 % of ALK, signalling strong passive institutional support.

Crossing the 10 % threshold elevates Vanguard to a major holder of Alaska Air. While the firm retains no sole voting power and characterises the stake as passive, a double-digit position usually boosts liquidity and may underpin valuation through index and ETF demand. Investors should watch for any future shifts in voting intent, but at present the filing is supportive yet non-activist.

Corporate Governance Analyst

TL;DR – Passive stake; governance impact limited due to minimal voting power.

Despite owning over 10 %, Vanguard reports zero sole voting power and only ~0.6 % of shares under shared vote. This curtails its direct influence on board matters, meaning management control remains unchanged. The filing is mainly a compliance event triggered by ownership level, with low immediate governance impact but noteworthy for monitoring cumulative passive ownership trends.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 8)

Atkore Inc

(Name of Issuer)

Common Stock

(Title of Class of Securities)

047649108

(CUSIP Number)

07/31/2025

(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. 047649108

1

Names of Reporting Persons

The Vanguard Group

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

PENNSYLVANIA

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 225,858.00
7	Sole Dispositive Power 3,211,553.00
8	Shared Dispositive Power 266,695.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

3,478,248.00

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)

10.33 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Atkore Inc
(b)	Address of issuer's principal executive offices: 16100 South Lathrop Avenue, Harvey, IL, 60426
Item 2.
(a)	Name of person filing: The Vanguard Group
(b)	Address or principal business office or, if none, residence: 100 Vanguard Blvd., Malvern, PA 19355
(c)	Citizenship: PA
(d)	Title of class of securities: Common Stock
(e)	CUSIP No.: 047649108
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: 3478248
(b)	Percent of class: 10.33 %
(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: 225858
	(iii) Sole power to dispose or to direct the disposition of: 3211553
	(iv) Shared power to dispose or to direct the disposition of: 266695
Item 5.	Ownership of 5 Percent or Less of a Class.
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 Vanguard Group, Inc.'s clients, including investment companies registered under the Investment Company Act of 1940 and other managed accounts, have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the securities reported herein. No one other person's interest in the securities reported herein is more than 5%.
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.

The Vanguard Group

Signature:	Ashley Grim
Name/Title:	Head of Global Fund Administration
Date:	08/07/2025

FAQ

How many Alaska Air (ALK) shares does Vanguard own?

Vanguard reports 11,744,392 common shares.

What percentage of ALK’s outstanding shares does this represent?

The filing states ownership of 10.18 % of the class.

Does Vanguard have voting control over Alaska Air?

It reports 0 sole and 739,407 shared voting shares, limiting direct influence.

Is Vanguard’s position activist or passive?

Certified as passive; shares are held in the ordinary course without intent to influence control.

Why was this Schedule 13G/A filed?

Crossing the 10 % threshold on 31 Jul 2025 required amendment under SEC Rule 13d-1(b).