[SCHEDULE 13G/A] POST HOLDINGS, INC. SEC Filing

Rhea-AI Filing Summary

The Vanguard Group filed an amendment to Schedule 13G reporting ownership of Post Holdings Inc. common stock. Vanguard states it beneficially owns 5,597,831 shares, representing 10.3% of the class, with 5,249,853 shares of sole dispositive power and 290,339 shares of shared voting power. The filing notes shares are held in the ordinary course of business and not to influence control. The document provides issuer and filer addresses and confirms the filing date and signature by Vanguard's Head of Global Fund Administration.

Positive

• Beneficial ownership disclosed at 5,597,831 shares (10.3% of class)
• Majority of dispositive power held solely: 5,249,853 shares
• Filing explicitly classifies the position as passive and held in the ordinary course of business
• Filed by a registered investment adviser (Type IA) with signature and date (09/08/2025)

Negative

• None.

Insights

Financial Analyst

TL;DR: Vanguard reports a significant 10.3% beneficial stake in POST, disclosed as held in the ordinary course of business.

The filing documents that The Vanguard Group beneficially owns 5,597,831 shares of Post Holdings Inc. (CUSIP 737446104), equal to 10.3% of outstanding common stock. Dispositive power is mainly sole (5,249,853 shares) while voting power is largely shared (290,339 shares). This is a routine Schedule 13G amendment by an investment adviser reporting passive ownership; the filer explicitly certifies the holdings are not intended to change or influence control. For investors, the filing is informational rather than a strategic change in governance.

Corporate Governance Expert

TL;DR: Ownership disclosure is material for transparency but indicates passive, non-control intent.

The report identifies Vanguard as an investment adviser (Type IA) organized in Pennsylvania and confirms clients of Vanguard have rights to dividends or sale proceeds. The certification language states the securities are held in the ordinary course and not for control purposes. The structure of voting versus dispositive power is detailed, which is relevant for governance tracking but does not indicate an active proxy or control campaign in this filing.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 13)

Post Holdings Inc

(Name of Issuer)

Common Stock

(Title of Class of Securities)

737446104

(CUSIP Number)

08/29/2025

(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. 737446104

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 290,339.00
7	Sole Dispositive Power 5,249,853.00
8	Shared Dispositive Power 347,978.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

5,597,831.00

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)

10.30 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Post Holdings Inc
(b)	Address of issuer's principal executive offices: 2503 South Hanley Road, Saint Louis, MO, 63144
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.: 737446104
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: 5597831
(b)	Percent of class: 10.3 %
(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: 290339
	(iii) Sole power to dispose or to direct the disposition of: 5249853
	(iv) Shared power to dispose or to direct the disposition of: 347978
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:	09/08/2025

FAQ

How many Post Holdings (POST) shares does The Vanguard Group report owning?

5,597,831 shares beneficially owned, representing 10.3% of the class.

What voting and dispositive powers does Vanguard report for POST?

Sole voting power: 0; Shared voting power: 290,339; Sole dispositive power: 5,249,853; Shared dispositive power: 347,978.

Does the filing indicate Vanguard intends to influence control of Post Holdings?

No. The certification states the securities are held in the ordinary course of business and not for the purpose of changing or influencing control.

What is the filing date and who signed the Schedule 13G/A for Vanguard?

Signed on 09/08/2025 by Ashley Grim, Head of Global Fund Administration for The Vanguard Group.

What type of reporting person is The Vanguard Group listed as?

IA (investment adviser) organized in Pennsylvania.