Vanguard Portfolio Management boosts stake in Graham Holdings (GHC) to 5.18%

Rhea-AI Filing Summary

Graham Holdings Co reports an institutional ownership disclosure by Vanguard Portfolio Management holding 175,514 shares of Common Stock. The filing states this position represents 5.18% of the class, with 1,577 shares of sole voting power and 175,514 shares of sole dispositive power. The filing is signed by Vanguard's Head of Global Fund Administration on 04/29/2026.

Insights

Institutional Ownership Specialist

Vanguard reports a 5.18% passive stake in Graham Holdings with full dispositive authority.

Vanguard Portfolio Management discloses beneficial ownership of 175,514 shares, representing 5.18% of the class and confirms sole dispositive power. The filing follows Schedule 13G conventions for institutional investors and attributes voting/dispositive counts explicitly.

Implications are limited to ownership transparency: subsequent filings could show changes, but this Schedule 13G itself is a routine beneficial-ownership disclosure and does not indicate transactions or intent to change control.

Key Figures

Beneficial ownership: 175,514 shares Percent of class: 5.18% Sole voting power: 1,577 shares +2 more

5 metrics

Beneficial ownership 175,514 shares Amount beneficially owned reported on Schedule 13G

Percent of class 5.18% Percent of common stock class reported

Sole voting power 1,577 shares Shares with sole power to vote reported by Vanguard

Sole dispositive power 175,514 shares Shares with sole power to dispose reported by Vanguard

Filing signature date 04/29/2026 Date signed by Head of Global Fund Administration

Key Terms

Schedule 13G, Beneficial ownership, Dispositive power, Investment Company Act

4 terms

Schedule 13G regulatory

"Graham Holdings Co Common Stock ... SCHEDULE 13G"

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.

Beneficial ownership financial

"Amount beneficially owned: 175514 (b) Percent of class: 5.18 %"

Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

Dispositive power financial

"Sole power to dispose or to direct the disposition of: 175514"

Dispositive power is the authority to decide the final outcome of an asset, legal claim, contract, or corporate action — in effect the power to dispose of or resolve something. For investors it matters because whoever holds that authority can determine who gets paid, who controls an asset or vote, and how risks and returns are allocated; think of it like holding the key that lets you lock in the winner or loser in a deal.

Investment Company Act regulatory

"investment companies registered under the Investment Company Act of 1940"

The Investment Company Act is a law that sets rules for businesses whose main activity is managing and selling pooled money, such as mutual funds and other investment funds. It matters to investors because it requires clear reporting, limits managers from putting their own interests ahead of clients, and mandates safekeeping and oversight of assets—similar to safety inspections and traffic rules that help keep shared vehicles reliable and trustworthy.

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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

Graham Holdings Co

(Name of Issuer)

Common Stock

(Title of Class of Securities)

384637104

(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): 384637104

1

Names of Reporting Persons

Vanguard Portfolio Management

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 1,577.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 175,514.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

175,514.00

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)

5.18 %

12

Type of Reporting Person (See Instructions)

IA

Comment for Type of Reporting Person: In accordance with SEC Release No. 34-39538 (January 12, 1998), this Schedule 13G reflects the securities beneficially owned, or deemed to be beneficially owned, by Vanguard Portfolio Management LLC and the following affiliates of Vanguard Portfolio Management LLC or business divisions of such affiliates: Vanguard Fiduciary Trust Company and Vanguard Global Advisers, LLC. This Schedule 13G includes securities held by Vanguard funds, or sleeves thereof, over which Vanguard Portfolio Management LLC exercises dispositive power, in addition to securities held by clients over which the affiliates or business divisions of such affiliates indicated above exercise dispositive and/or voting power. This Schedule 13G does not include securities, if any, beneficially owned by other subsidiaries or affiliates of Vanguard Portfolio Management LLC, or business divisions of such subsidiaries whose ownership of securities is disaggregated from that of the reporting business unit in accordance with such release.

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Graham Holdings Co
(b)	Address of issuer's principal executive offices: 1300 North 17th Street, 17th Floor, Arlington, VA, 22209
Item 2.
(a)	Name of person filing: Vanguard Portfolio Management
(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 Number(s): 384637104
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: 175514
(b)	Percent of class: 5.18 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 1577
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 175514
	(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. Vanguard Portfolio Management, 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.

Vanguard Portfolio Management

Signature:	Ashley Grim
Name/Title:	Head of Global Fund Administration
Date:	04/29/2026

FAQ

What stake does Vanguard Portfolio Management report in Graham Holdings (GHC)?

Vanguard Portfolio Management reports beneficial ownership of 175,514 shares, equal to 5.18% of Graham Holdings common stock. The filing shows sole dispositive power over all 175,514 shares and sole voting power over 1,577 shares.

Does the Schedule 13G filing indicate Vanguard controls Graham Holdings?

No. The filing discloses beneficial ownership of 5.18% and sole dispositive power over those shares, but Schedule 13G is an ownership disclosure and does not by itself indicate control or intent to change company management.

Who signed the Schedule 13G for Vanguard and when was it signed?

The filing is signed by Ashley Grim, Head of Global Fund Administration at Vanguard, and is dated 04/29/2026. That signature certifies the accuracy of the ownership figures reported on the form.

What voting and dispositive powers does Vanguard report for GHC shares?

Vanguard reports 1,577 shares as sole voting power and 175,514 shares as sole dispositive power. The filing shows no shared voting or shared dispositive power for the reported position.