McGraw Hill, Inc. (MH) ownership: Top institutional holder: Platinum Equity Advisors, LLC/DE ($2.26B). Insider activity: Net Seller (2 buys, 18 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| Platinum Equity Advisors, LLC/DE | 165160216.00 | $2.26B | 2026-03-31 |
| T. Rowe Price Investment Management, Inc. | 7192740.00 | $98.54M | 2026-03-31 |
| AMERICAN CENTURY COMPANIES INC | 4177714.00 | $57.23M | 2026-03-31 |
| VANGUARD GROUP INC | 2688739.00 | $44.36M | 2025-12-31 |
| BlackBarn Capital Partners LP | 2088492.00 | $28.61M | 2026-03-31 |
| BlackRock, Inc. | 1839539.00 | $25.20M | 2026-03-31 |
| Alyeska Investment Group, L.P. | 1738384.00 | $23.82M | 2026-03-31 |
| JPMORGAN CHASE & CO | 1497656.00 | $19.86M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-08-11 | |
| Sell | null | 2026-08-11 | |
| Sell | null | 2026-08-11 | |
| Sell | null | 2026-08-11 | |
| Buy | null | 2026-06-15 | |
| Sell | null | 2026-04-01 | |
| Sell | null | 2026-04-01 | |
| Sell | null | 2026-04-01 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.