Latest Period
Q1 2026
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 Q1 2026
Institutions Reporting
105
Shares (Excl. Options)
197,838,787
Price
$13.70
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- Security type / class
- Equity / Common stock, par value $0.01
- Symbol
- MH on NYSE
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 197,838,787
- Total 13F value
- $2,709,344,703
- Portfolio coverage rank
- 0%
- Share change
- +476,497
- Value change
- -$981,876
- Number of holders
- 105
- Shares outstanding
- 190,936,666
- SEC-reported price per share
- $11.42
- Insider filing price
- $11.42
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- MH - McGraw Hill, Inc. - Common stock, par value $0.01 is tracked under CUSIP 580907103.
- 105 institutions reported positions in Q1 2026.
- 1 significant owner is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 96 to 105 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $3,248,101,333 to $2,709,344,703.
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
Open SEC evidence
Latest holder context comes from 105 institutions filings for Q1 2026.
Security key
580907103
Latest holder period
Q1 2026
13F holders
105
13D/G owners
1
CIK / CUSIP context first
Open Q1 2026 holders
MH full holder history
McGraw Hill, Inc. SEC filings
McGraw Hill, Inc. company facts
McGraw Hill, Inc. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 580907103:
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 31 Mar 2026, 105 institutional investors reported holding 197,838,787 shares of McGraw Hill, Inc. - Common stock, par value $0.01 (MH). This represents 104% of the company’s total 190,936,666 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
102%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| Platinum Equity Advisors, LLC/DE | 86% | 165,160,216 | 0% | 25% | $2,262,694,959 |
| T. Rowe Price Investment Management, Inc. | 3.8% | 7,192,740 | -0.67% | 0.07% | $98,541,000 |
| AMERICAN CENTURY COMPANIES INC | 2.2% | 4,177,714 | +24% | 0.03% | $57,234,682 |
| BlackBarn Capital Partners LP | 1.1% | 2,088,492 | +49% | 8.6% | $28,612,340 |
| BlackRock, Inc. | 0.96% | 1,839,539 | -1.3% | 0% | $25,201,684 |
| Alyeska Investment Group, L.P. | 0.91% | 1,738,384 | -0.21% | 0.07% | $23,815,861 |
| JPMORGAN CHASE & CO | 0.78% | 1,497,656 | +29% | 0% | $19,858,918 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 0.69% | 1,319,814 | 0% | 0% | $18,081,452 |
| VANGUARD CAPITAL MANAGEMENT LLC | 0.64% | 1,213,483 | 0% | 0% | $16,624,717 |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 0.5% | 950,000 | 0% | 0.02% | $13,015,000 |
| SCHRODER INVESTMENT MANAGEMENT GROUP | 0.47% | 887,911 | -1.4% | 0.01% | $11,773,700 |
| UBS Group AG | 0.39% | 739,188 | +284% | 0% | $10,126,876 |
| GEODE CAPITAL MANAGEMENT, LLC | 0.33% | 625,619 | +3.1% | 0% | $8,573,000 |
| STATE STREET CORP | 0.28% | 537,993 | +17% | 0% | $7,370,504 |
| Alberta Investment Management Corp | 0.25% | 476,047 | -44% | 0.04% | $6,521,844 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 0.25% | 469,499 | +110% | 0% | $6,432,136 |
| BNP PARIBAS FINANCIAL MARKETS | 0.23% | 443,555 | 0% | 0% | $6,076,704 |
| TD Asset Management Inc | 0.22% | 424,882 | 0% | 0% | $5,820,883 |
| BANK OF AMERICA CORP /DE/ | 0.2% | 388,255 | +178% | 0% | $5,319,093 |
| BARCLAYS PLC | 0.17% | 326,713 | +2.9% | 0% | $4,475,969 |
| Squarepoint Ops LLC | 0.16% | 301,624 | +87% | 0.01% | $4,132,249 |
| SEVEN GRAND MANAGERS, LLC | 0.16% | 300,000 | 0% | 0.27% | $4,110,000 |
| PEREGRINE CAPITAL MANAGEMENT LLC | 0.16% | 299,140 | +14% | 0.15% | $4,098,218 |
| Ghisallo Capital Management LLC | 0.13% | 250,000 | 0% | 0.09% | $3,425,000 |
| MORGAN STANLEY | 0.13% | 248,369 | -19% | 0% | $3,402,655 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
3
Latest
Q1 2026
Rows shown
1-3 of 3