Security Snapshot

McGraw Hill, Inc. - Common stock, par value $0.01 (MH) Institutional Ownership

CUSIP: 580907103

13F Institutional Holders and Ownership History from Q3 2025 to Q3 2026

13F reference period

Q2 2026

Institutions Reporting

109

Shares (Excl. Options)

193.21MFull value: 193,213,041 · shares · 30 Jun 2026

Price

$9.47

The headline uses the Q2 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended. Newer periods in the history table contain incoming reports and may be incomplete.

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Security type / class
Equity / Common stock, par value $0.01
Symbol
MH on NYSE
All holders as of 30 Jun 2026
Q2 2026
Total 13F shares
193,213,041
Latest holder snapshot 5 signals
Total 13F value
$1,570,022,599
Portfolio coverage rank
0%
Share change
-4,792,163
Value change
-$51,836,225
Number of holders
109
Issuer context Names, identifiers, and filing context for this profile. 3 identity fields
Shares outstanding
190,936,666
SEC-reported price per share
$13.11
Insider filing price
$13.11
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Filing notes and source

Key facts

  • MH - McGraw Hill, Inc. - Common stock, par value $0.01 is tracked under CUSIP 580907103.
  • 109 institutions reported positions in Q2 2026.
  • 1 significant owner is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 106 to 109 between Q1 2026 and Q2 2026.
  • SEC-reported value moved from
    $2.71BFull value: $2,712,041,679 · USD · 31 Mar 2026
    to
    $1.57BFull value: $1,570,022,599 · USD · 30 Jun 2026
    .

Research use

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 109 institutions filings for Q2 2026.

Open SEC evidence

Security key

580907103

13F reference period

Q2 2026

13F holders

109

13D/G owners

1

CIK / CUSIP context first

Open Q2 2026 holders MH full holder history McGraw Hill, Inc. SEC filings McGraw Hill, Inc. company facts McGraw Hill, Inc. insider transactions

Broader feeds

Latest 13F filings Latest 13D/G filings All securities

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
1
Security
MH
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
PLATINUM EQUITY, LLC 86% $2,072,760,711 165,160,216 PLATINUM EQUITY, LLC 30 Sep 2025
As of 30 Jun 2026, 109 institutional investors reported holding
193.21MFull value: 193,213,041 · shares · 30 Jun 2026
shares of McGraw Hill, Inc. - Common stock, par value $0.01 (MH). This represents 101% of the company’s total
190.94MFull value: 190,936,666 · shares · Stored outstanding share count
outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
99%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
Platinum Equity Advisors, LLC/DE 86% 165,160,216 0% 15% $1,304,765,706
AMERICAN CENTURY COMPANIES INC 2.3% 4,477,614 +7.2% 0.02% $42,403,005
BlackBarn Capital Partners LP 1.3% 2,450,000 +17% 5.8% $23,201,500
BlackRock, Inc. 0.91% 1,741,124 -5.3% 0% $16,488,444
JPMORGAN CHASE & CO 0.87% 1,668,132 +11% 0% $15,496,947
T. Rowe Price Investment Management, Inc. 0.84% 1,598,786 -78% 0.01% $15,141,000
Alyeska Investment Group, L.P. 0.79% 1,508,691 -13% 0.04% $14,287,304
SCHRODER INVESTMENT MANAGEMENT GROUP 0.7% 1,334,848 +50% 0.01% $12,400,738
VANGUARD PORTFOLIO MANAGEMENT LLC 0.65% 1,244,483 -5.7% 0% $11,785,254
VANGUARD CAPITAL MANAGEMENT LLC 0.64% 1,221,450 +0.66% 0% $11,567,132
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.59% 1,125,151 +140% 0% $10,655,180
GEODE CAPITAL MANAGEMENT, LLC 0.31% 599,608 -4.2% 0% $5,679,780
STATE STREET CORP 0.29% 552,369 +2.7% 0% $5,230,934
CITADEL ADVISORS LLC 0.29% 544,595 +159% 0% $5,157,314
BARCLAYS PLC 0.26% 502,081 +54% 0% $4,754,707
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 0.25% 475,000 -50% 0.01% $4,498,250
JANE STREET GROUP, LLC 0.24% 462,142 0% $4,376,485
BNP PARIBAS FINANCIAL MARKETS 0.22% 422,974 0% 0% $4,005,564
Point72 Asset Management, L.P. 0.19% 364,982 +131% 0.01% $3,456,380
GOLDMAN SACHS GROUP INC 0.19% 357,044 +70% 0% $3,381,207
BANK OF AMERICA CORP /DE/ 0.19% 353,541 -8.9% 0% $3,348,033
PEREGRINE CAPITAL MANAGEMENT LLC 0.18% 351,658 +18% 0.11% $3,330,201
MILLENNIUM MANAGEMENT LLC 0.17% 315,499 +47% 0% $2,987,776
FRANKLIN RESOURCES INC 0.16% 306,908 +132% 0% $2,906,419
NORTHERN TRUST CORP 0.14% 262,615 +24% 0% $2,486,964

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
5
Headline period
Q2 2026
Rows shown
1-5 of 5
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q3 25,534 $333,230 -$439,537 $13.11 13
2026 Q2 193,213,041 $1,570,022,599 -$51,836,225 $9.47 109
2026 Q1 198,035,652 $2,712,041,679 +$2,355,079 $13.70 106
2025 Q4 196,890,047 $3,248,101,333 +$33,892,899 $16.50 96
2025 Q3 194,954,402 $2,446,681,132 +$2,446,598,051 $12.55 82
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