Platinum Equity reports 86.5% stake in McGraw Hill common (MH)

Platinum Equity and affiliates filed a Schedule 13G reporting a controlling stake in McGraw Hill, Inc. (MH).

Rhea-AI Filing Summary

Platinum Equity and affiliates filed a Schedule 13G reporting a controlling stake in McGraw Hill, Inc. (MH). The group beneficially owns 165,160,216 shares of common stock, representing 86.5% of the class. The percentage is calculated using 191,001,519 shares outstanding as of August 11, 2025, as disclosed by the company.

PE Mav Holdings, LLC is the record holder of the reported shares. The reporting persons have shared voting power over 165,160,216 shares and shared dispositive power over 165,160,216 shares, with no sole voting or dispositive power. The date of event triggering the filing is September 30, 2025. Reporting persons include Platinum Equity entities and Tom Gores.

Insights

Securities disclosure analyst

Large passive stake disclosed; governance influence likely high.

Platinum Equity and related entities report beneficial ownership of 165,160,216 McGraw Hill common shares, equal to 86.5%. The filing lists shared voting and dispositive power over the full amount and zero sole power, indicating coordinated control among the reporting persons. PE Mav Holdings, LLC is the record holder.

The percentage is based on 191,001,519 shares outstanding as of August 11, 2025. The event date is September 30, 2025. As a Schedule 13G, this is a beneficial ownership disclosure; cash-flow treatment is not part of this filing. Actual influence depends on governance terms and future actions by the holders.

FAQ

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

What stake in McGraw Hill (MH) did Platinum Equity report?

They reported beneficial ownership of 165,160,216 shares of common stock.

What percentage of McGraw Hill’s class does this represent?

It represents 86.5% of the common stock class.

What share count was used to calculate the 86.5% figure for MH?

The calculation uses 191,001,519 shares outstanding as of August 11, 2025.

Who is the record holder of the reported MH shares?

PE Mav Holdings, LLC is the record holder.

What voting and dispositive powers were disclosed?

The reporting persons have shared voting power: 165,160,216 and shared dispositive power: 165,160,216; sole power: 0.

When is the date of the event requiring the 13G filing?

The event date is September 30, 2025.

Which entities and individuals are reporting persons for MH?

Platinum Equity entities and Tom Gores are listed as reporting persons.

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

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Accepted by SEC EDGAR 11/13/2025 - 04:30 PM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

McGraw Hill, Inc.

(Name of Issuer)

Common stock, par value $0.01

(Title of Class of Securities)

580907103

(CUSIP Number)

09/30/2025

(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. 580907103

1

Names of Reporting Persons

PLATINUM EQUITY, 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 0.00
6	Shared Voting Power 165,160,216.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 165,160,216.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

165,160,216.00

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)

86.5 %

12

Type of Reporting Person (See Instructions)

OO

Comment for Type of Reporting Person: Limited Liability Company

SCHEDULE 13G

CUSIP No. 580907103

1

Names of Reporting Persons

Platinum Equity Investment 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 0.00
6	Shared Voting Power 165,160,216.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 165,160,216.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

165,160,216.00

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)

86.5 %

12

Type of Reporting Person (See Instructions)

OO

Comment for Type of Reporting Person: Limited Liability Company

SCHEDULE 13G

CUSIP No. 580907103

1

Names of Reporting Persons

Platinum Equity Investment Holdings IC (Cayman), 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 0.00
6	Shared Voting Power 165,160,216.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 165,160,216.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

165,160,216.00

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)

86.5 %

12

Type of Reporting Person (See Instructions)

OO

Comment for Type of Reporting Person: Limited Liability Company

SCHEDULE 13G

CUSIP No. 580907103

1

Names of Reporting Persons

Platinum Equity InvestCo, L.P.

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

CAYMAN ISLANDS

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 165,160,216.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 165,160,216.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

165,160,216.00

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)

86.5 %

12

Type of Reporting Person (See Instructions)

PN

SCHEDULE 13G

CUSIP No. 580907103

1

Names of Reporting Persons

Platinum Equity Investment Holdings V, 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 0.00
6	Shared Voting Power 165,160,216.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 165,160,216.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

165,160,216.00

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)

86.5 %

12

Type of Reporting Person (See Instructions)

OO

Comment for Type of Reporting Person: Limited Liability Company

SCHEDULE 13G

CUSIP No. 580907103

1

Names of Reporting Persons

PE Mav 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 0.00
6	Shared Voting Power 165,160,216.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 165,160,216.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

165,160,216.00

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)

86.5 %

12

Type of Reporting Person (See Instructions)

OO

Comment for Type of Reporting Person: Limited Liability Company

SCHEDULE 13G

CUSIP No. 580907103

1

Names of Reporting Persons

Tom Gores

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

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 165,160,216.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 165,160,216.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

165,160,216.00

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)

86.5 %

12

Type of Reporting Person (See Instructions)

IN

SCHEDULE 13G

Item 1.
(a)	Name of issuer: McGraw Hill, Inc.
(b)	Address of issuer's principal executive offices: 8787 Orion Place, Columbus, OH, 43240
Item 2.
(a)	Name of person filing: Each of the following is hereinafter individually referred to as a "Reporting Person" and collectively as the "Reporting Persons." This statement is filed on behalf of: Platinum Equity, LLC Platinum Equity Investment Holdings, LLC Platinum Equity Investment Holdings IC (Cayman), LLC Platinum Equity InvestCo, L.P. Platinum Equity Investment Holdings V, LLC PE Mav Holdings, LLC Tom Gores
(b)	Address or principal business office or, if none, residence: The principal business office address for each of the Reporting Persons is c/o Platinum Equity Advisors, LLC, 360 North Crescent Drive, South Building, Beverly Hills, CA 90210.
(c)	Citizenship: Mr. Gores is a citizen of the United States. Platinum Equity InvestCo, L.P. is organized under the laws of the Cayman Islands. Each of the remaining Reporting Persons is organized under the laws of the State of Delaware.
(d)	Title of class of securities: Common stock, par value $0.01
(e)	CUSIP No.: 580907103
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: The information contained on the cover pages to this Schedule 13G is incorporated by reference into this Item 4. The ownership information presented herein represents beneficial ownership of Common Stock as of the date of this filing, based upon 191,001,519 shares of Common Stock outstanding as of August 11, 2025, as disclosed in the Issuer's Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on August 14, 2025. PE Mav Holdings, LLC is the record holder of the shares of Common Stock reported herein. Tom Gores is the manager of Platinum Equity, LLC, which is the sole member of Platinum Equity Investment Holdings, LLC, which is the sole member of Platinum Equity Investment Holdings IC (Cayman), LLC, which is the general partner of Platinum Equity InvestCo, L.P., which is the sole member of Platinum Equity Investment Holdings V, LLC, which is the manager of PE Mav Holdings, LLC. By virtue of these relationships, each of these entities and Mr. Gores may be deemed to share beneficial ownership of the securities reported herein.
(b)	Percent of class: 86.5%
(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: 165,160,216
	(iii) Sole power to dispose or to direct the disposition of: 0
	(iv) Shared power to dispose or to direct the disposition of: 165,160,216
Item 5.	Ownership of 5 Percent or Less of a Class.
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:
	Not Applicable

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.

PLATINUM EQUITY, LLC

Signature:	/s/ Mary Ann Sigler
Name/Title:	Mary Ann Sigler, Executive Vice President, Chief Financial Officer and Treasurer
Date:	11/13/2025

Platinum Equity Investment Holdings, LLC

Signature:	/s/ Mary Ann Sigler
Name/Title:	Mary Ann Sigler, Vice President, Secretary and Treasurer
Date:	11/13/2025

Platinum Equity Investment Holdings IC (Cayman), LLC

Signature:	/s/ Mary Ann Sigler
Name/Title:	Mary Ann Sigler, President
Date:	11/13/2025

Platinum Equity InvestCo, L.P.

Signature:	By: Platinum Equity Investment Holdings IC (Cayman), LLC, its general partner, By: /s/ Mary Ann Sigler
Name/Title:	Mary Ann Sigler, President
Date:	11/13/2025

Platinum Equity Investment Holdings V, LLC

Signature:	/s/ Barbara Velasco
Name/Title:	Barbara Velasco, Assistant Secretary
Date:	11/13/2025

PE Mav Holdings, LLC

Signature:	/s/ Barbara Velasco
Name/Title:	Barbara Velasco, Assistant Secretary
Date:	11/13/2025

Tom Gores

Signature:	/s/ Mary Ann Sigler
Name/Title:	Mary Ann Sigler, Attorney-in-Fact
Date:	11/13/2025

Exhibit Information

Exhibit 24: Power of Attorney. Exhibit 99: Joint Filing Agreement.