$MH

$14.44 -$0.18 (1.23%) Close

$MH Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 191.3M shares outstanding

Who owns MH?

By type of holder

Institutions 100.0% Insiders 0.0% Everyone else 0.0%

Concentration Top 10 holders own 95.4%

Platinum Equity Advisors, LLC/DE 86.3% · T. Rowe Price Investment Management, Inc. 0.8%

Institutional ownership

100.0%

0 pts vs last qtr

Institutional holders

109

+2 vs last qtr

Net shares bought

−4.8M

by institutions in Q2 2026

New / sold out

22 / 20

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Arrowstreet Capital, Limited Partnership +655.7K
Jane Street Group, LLC NEW +462.1K

Biggest sellers in Q2 2026

T. Rowe Price Investment Management, Inc. −5.6M
UBS Group AG −526.0K

Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for McGraw Hill Inc in the last 12 months.

Is your stake being diluted?

Diluted share count, FY2024–FY2026

+10.2%

+4.99% a year

Each share's claim on the business

−9.3%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

— vs $33.7M

over 3 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years0% 3–5 years0% 1–3 years0% Under 1 year100%

Quarterly turnover

3.8%

of institutional shares changed hands

Top 10 managers, median time held

3 quarters

Super Investors

Investment managers reporting MH on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
PE Platinum Equity Advisors, LLC/DE	165.2M	86.33%	Unchanged	Q3 '25	14.6%
Shares held by quarter Peak holding165.2M (Q3'25) Change over 8 quarters+165.2M Share of the company86.330% Platinum Equity Advisors, LLC/DE's full portfolio →
TR T. Rowe Price Investment Management, Inc.	1.6M	0.84%	−5.6M (−77.8%)	Q3 '25	0.0%
Shares held by quarter Peak holding11.8M (Q4'25) Change over 8 quarters+1.6M Share of the company0.840% T. Rowe Price Investment Management, Inc.'s full portfolio →

Platinum Equity Advisors, LLC/DE

165.2M

% of company

86.33%

Change vs last qtr

Unchanged

Held since

Q3 '25

T. Rowe Price Investment Management, Inc.

1.6M

% of company

0.84%

Change vs last qtr

−5.6M (−77.8%)

Held since

Q3 '25

28 more super investors behind a free account

See every manager holding McGraw Hill Inc, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting MH on Form N-PORT; together they hold 6.0% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
SC Small Cap Value Fund American Century Capital Portfolios, Inc.	$22.9M	2.4M	1.26%	0.75%	June 30, 2026
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$8.5M	897.5K	0.47%	0.00%	June 30, 2026

Small Cap Value Fund

American Century Capital Portfolios, Inc.

Position value

$22.9M

% of company

1.26%

% of the fund

0.75%

As of

June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$8.5M

% of company

0.47%

% of the fund

0.00%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding McGraw Hill Inc and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
AS Allen Simon Jonathan Insider	940.8K	0.49%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.490% Allen Simon Jonathan's insider activity →
MP Moyer Philip D Insider	516.8K	0.27%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.270% Moyer Philip D's insider activity →

Allen Simon Jonathan

Insider

940.8K

% of company

0.49%

Change vs last qtr

—

Held since

—

Moyer Philip D

Insider

516.8K

% of company

0.27%

Change vs last qtr

—

Held since

—

9 more holders behind a free account

See every insider and 5%+ holder of McGraw Hill Inc.

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