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About 86.35% of MH shares are held by financial institutions. AMALGAMATED BANK is the top corporate investor, holding 911 shares valued at $15.00K. A 0% stake in McGraw Hill, Inc. is owned by the company. COHEN & STEERS, INC. owns 18K shares valued at $297.00K, which translates its holding of 0.01% of the stake in the company.
| Date | Holder | % Stake | Shares Held | Total Value ($) | Shares | % Change in Portfolio |
|---|---|---|---|---|---|---|
| Dec 31, 2025 | AMALGAMATED BANK | 0% | 911 | 15K | 151 | +19.87% |
| Dec 31, 2025 | COHEN & STEERS, INC. | 0.01% | 18K | 297K | -12K | -40.00% |
| Dec 31, 2025 | WALLEYE CAPITAL LLC | 0.01% | 16.59K | 273.72K | -2.41K | -12.69% |
| Dec 31, 2025 | QUANTBOT TECHNOLOGIES LP | 0.01% | 15.8K | 260.73K | 15.8K | +100.00% |
| Dec 31, 2025 | CERITY PARTNERS LLC | 0.01% | 15.51K | 255.85K | 15.51K | +100.00% |
| Dec 31, 2025 | METLIFE INVESTMENT MANAGEMENT, LLC | 0.01% | 15.4K | 254.17K | 1.01K | +7.00% |
| Dec 31, 2025 | CWM, LLC | 0.01% | 13.28K | 219K | 12.9K | +3,422.28% |
| Dec 31, 2025 | STATE OF ALASKA, DEPARTMENT OF REVENUE | 0.01% | 12.28K | 202K | 12.28K | +100.00% |
| Dec 31, 2025 | XTX TOPCO LTD | 0.01% | 11.18K | 184.52M | 11.18K | +100.00% |
| Dec 31, 2025 | MANUFACTURERS LIFE INSURANCE COMPANY, THE | 0.01% | 11.57K | 190.84K | 1.4K | +13.75% |
| Dec 31, 2025 | SG AMERICAS SECURITIES, LLC | 0.01% | 9.9K | 163K | 9.9K | +100.00% |
| Dec 31, 2025 | NEW YORK STATE COMMON RETIREMENT FUND | 0% | 8.2K | 135.3K | 8.2K | +100.00% |
| Dec 31, 2025 | POLICE & FIREMEN'S RETIREMENT SYSTEM OF NEW JERSEY | 0% | 7.36K | 121.44K | 2.4K | +48.51% |
| Dec 31, 2025 | STRS OHIO | 0% | 4.3K | 70.95K | 0 | 0 |
| Dec 31, 2025 | ALYESKA INVESTMENT GROUP, L.P. | 0.95% | 1.74M | 28.74M | -150K | -7.93% |
| Dec 31, 2025 | PACER ADVISORS, INC. | 0.12% | 228.93K | 3.78M | 228.93K | +100.00% |
| Dec 31, 2025 | NUVEEN, LLC | 0.02% | 34.06K | 561.97K | 5.89K | +20.89% |
| Dec 31, 2025 | VANGUARD GROUP INC | 1.46% | 2.69M | 44.36M | 65.41K | +2.49% |
| Dec 31, 2025 | BLACKROCK, INC. | 1.01% | 1.86M | 30.74M | 401.4K | +27.47% |
| Dec 31, 2025 | JPMORGAN CHASE & CO | 0.61% | 1.16M | 19.19M | -483 | -0.04% |
| Dec 31, 2025 | NORGES BANK | 0.59% | 1.12M | 18.49M | 1.12M | +100.00% |
| Dec 31, 2025 | GEODE CAPITAL MANAGEMENT, LLC | 0.33% | 606.88K | 10.02M | 68.25K | +12.67% |
| Dec 31, 2025 | TEACHER RETIREMENT SYSTEM OF TEXAS | 0.31% | 600K | 9.9M | 0 | 0 |
| Dec 31, 2025 | STATE STREET CORP | 0.25% | 461.5K | 7.61M | 67.44K | +17.12% |
| Dec 31, 2025 | TD ASSET MANAGEMENT INC | 0.22% | 424.88K | 7.01M | 0 | 0 |
| Dec 31, 2025 | BARCLAYS PLC | 0.17% | 317.55K | 5.24M | 256.59K | +420.97% |
| Dec 31, 2025 | MORGAN STANLEY | 0.17% | 308.49K | 5.09M | 233.33K | +310.46% |
| Dec 31, 2025 | SEVEN GRAND MANAGERS, LLC | 0.16% | 300K | 4.95M | 100.25K | +50.19% |
| Dec 31, 2025 | PEREGRINE CAPITAL MANAGEMENT LLC | 0.14% | 261.41K | 4.31M | -12.92K | -4.71% |
| Dec 31, 2025 | GOLDMAN SACHS GROUP INC | 0.14% | 258.74K | 4.27M | -296.04K | -53.36% |
| Dec 31, 2025 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.11% | 216.32K | 3.57M | 12.99K | +6.39% |
| Dec 31, 2025 | UBS GROUP AG | 0.1% | 192.66K | 3.18M | -303.8K | -61.19% |
| Dec 31, 2025 | SQUAREPOINT OPS LLC | 0.08% | 161.53K | 2.67M | -5.36K | -3.21% |
| Dec 31, 2025 | STERLING CAPITAL MANAGEMENT LLC | 0% | 601 | 9.92K | 94 | +18.54% |
| Dec 31, 2025 | PLATINUM EQUITY ADVISORS, LLC/DE | 86.47% | 165.16M | 2.73B | 0 | 0 |
| Dec 31, 2025 | T. ROWE PRICE INVESTMENT MANAGEMENT, INC. | 3.94% | 7.24M | 119.48M | -67.16K | -0.92% |
| Dec 31, 2025 | BLACKBARN CAPITAL PARTNERS LP | 0.76% | 1.4M | 23.1M | 549.24K | +64.56% |
| Dec 31, 2025 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 0.12% | 223.27K | 3.68M | 191.76K | +608.67% |
| Dec 31, 2025 | MILLENNIUM MANAGEMENT LLC | 0.24% | 442.75K | 7.31M | 442.75K | +100.00% |
| Dec 31, 2025 | VOLEON CAPITAL MANAGEMENT LP | 0.1% | 180.04K | 2.97M | 180.04K | +100.00% |
| Dec 31, 2025 | AQR CAPITAL MANAGEMENT LLC | 0.08% | 155.52K | 2.57M | 155.52K | +100.00% |
| Dec 31, 2025 | BANK OF AMERICA CORP /DE/ | 0.08% | 139.48K | 2.3M | 128.94K | +1,222.86% |
| Dec 31, 2025 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 0.52% | 950K | 15.68M | -250K | -20.83% |
| Dec 31, 2025 | SCHRODER INVESTMENT MANAGEMENT GROUP | 0.49% | 900.91K | 14.86M | 900.91K | +100.00% |
| Dec 31, 2025 | ALBERTA INVESTMENT MANAGEMENT CORP | 0.46% | 850K | 14.03M | -150K | -15.00% |
| Dec 31, 2025 | FREESTONE GROVE PARTNERS LP | 0.28% | 520K | 8.58M | -130.36K | -20.04% |
| Dec 31, 2025 | LONGAEVA PARTNERS L.P. | 0.14% | 250.25K | 4.13M | 250.25K | +100.00% |
| Dec 31, 2025 | GHISALLO CAPITAL MANAGEMENT LLC | 0.14% | 250K | 4.13M | 0 | 0 |
| Dec 31, 2025 | BNP PARIBAS ARBITRAGE, SNC | 0.08% | 146.89K | 2.42M | 140.27K | +2,118.88% |
| Dec 31, 2025 | TWO SIGMA INVESTMENTS, LP | 0.07% | 132.22K | 2.18M | 21.75K | +19.69% |
| Dec 31, 2025 | NORTHERN TRUST CORP | 0.07% | 131.47K | 2.17M | -54.4K | -29.27% |
| Dec 31, 2025 | BURKEHILL GLOBAL MANAGEMENT, LP | 0.05% | 100K | 1.65M | 0 | 0 |
| Dec 31, 2025 | BALYASNY ASSET MANAGEMENT L.P. | 0.05% | 99.24K | 1.64M | 99.24K | +100.00% |
| Dec 31, 2025 | 0.03% | 50.86K | 839.17M | 50.86K | +100.00% | |
| Dec 31, 2025 | FEDERATED HERMES, INC. | 0.06% | 117.9K | 1.95M | 117.9K | +100.00% |
| Dec 31, 2025 | LOS ANGELES CAPITAL MANAGEMENT LLC | 0.05% | 102.49K | 1.11M | 102.49K | +100.00% |
| Dec 31, 2025 | LEGAL & GENERAL GROUP PLC | 0% | 2.91K | 48.06K | 495 | +20.49% |
| Dec 31, 2025 | AMERITAS INVESTMENT PARTNERS, INC. | 0% | 1.96K | 32.36K | 0 | 0 |
| Dec 31, 2025 | CITIGROUP INC | 0% | 1.92K | 31.63K | 1.13K | +143.58% |
| Dec 31, 2025 | CAITONG INTERNATIONAL ASSET MANAGEMENT CO., LTD | 0% | 1.83K | 30.21K | -115 | -5.91% |
| Dec 31, 2025 | ROYAL BANK OF CANADA | 0% | 1.42K | 23K | -1.2M | -99.88% |
| Dec 31, 2025 | AMERICAN CENTURY COMPANIES INC | 1.84% | 3.37M | 55.67M | 362.85K | +12.05% |
| Dec 31, 2025 | SEI INVESTMENTS CO | 0.08% | 156.8K | 2.59M | 6.01K | +3.99% |
| Dec 31, 2025 | FRANKLIN RESOURCES INC | 0.08% | 147.89K | 2.44M | -33.96K | -18.67% |
| Dec 31, 2025 | CITADEL ADVISORS LLC | 0.07% | 131.05K | 2.16M | -499.33K | -79.21% |
| Dec 31, 2025 | BANK OF NEW YORK MELLON CORP | 0.04% | 67.08K | 1.11M | 13.03K | +24.11% |
| Dec 31, 2025 | JANE STREET GROUP, LLC | 0.03% | 63.08K | 1.04M | 63.08K | +100.00% |
| Dec 31, 2025 | RENAISSANCE TECHNOLOGIES LLC | 0.03% | 57.29K | 945.25K | 57.29K | +100.00% |
| Dec 31, 2025 | WELLS FARGO & COMPANY/MN | 0.02% | 31.96K | 527.36K | -73.14K | -69.59% |
| Dec 31, 2025 | COUNTERPOINT MUTUAL FUNDS LLC | 0.02% | 30.77K | 507.72K | -5.65K | -15.52% |
| Dec 31, 2025 | RHUMBLINE ADVISERS | 0.02% | 27.86K | 459.67K | 5.6K | +25.16% |
| Dec 31, 2025 | IEQ CAPITAL, LLC | 0.01% | 23.55K | 388.61K | 23.55K | +100.00% |
| Dec 31, 2025 | AXQ CAPITAL, LP | 0.01% | 22.47K | 370.69K | 22.47K | +100.00% |
| Dec 31, 2025 | STATE OF WYOMING | 0.01% | 21.62K | 356.78K | 5.51K | +34.20% |
| Dec 31, 2025 | DEUTSCHE BANK AG\ | 0.01% | 18.8K | 310.18K | 226 | +1.22% |
| Sep 30, 2025 | CENTIVA CAPITAL, LP | 0.01% | 19.28K | 241.94K | 19.28K | +100.00% |
| Sep 30, 2025 | PEREGRINE CAPITAL MANAGEMENT LLC | 0.14% | 274.33K | 3.44M | 274.33K | +100.00% |
| Sep 30, 2025 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.11% | 203.33K | 2.55M | 203.33K | +100.00% |
| Sep 30, 2025 | MORGAN STANLEY | 0.04% | 75.16K | 943.23K | 75.16K | +100.00% |
| Sep 30, 2025 | TWO SIGMA ADVISERS, LP | 0.01% | 11.4K | 143.07K | 11.4K | +100.00% |
| Sep 30, 2025 | BARCLAYS PLC | 0.03% | 60.95K | 764.96K | 60.95K | +100.00% |
| Sep 30, 2025 | JANUS HENDERSON GROUP PLC | 0.11% | 203.43K | 2.55M | 203.43K | +100.00% |
| Sep 30, 2025 | D. E. SHAW & CO., INC. | 0.08% | 150K | 1.88M | 150K | +100.00% |
| Sep 30, 2025 | BANK OF NEW YORK MELLON CORP | 0.03% | 54.05K | 678.3K | 54.05K | +100.00% |
| Sep 30, 2025 | MANUFACTURERS LIFE INSURANCE COMPANY, THE | 0.01% | 10.17K | 127.61K | 10.17K | +100.00% |
| Sep 30, 2025 | MONASHEE INVESTMENT MANAGEMENT LLC | 0.03% | 60K | 753K | 60K | +100.00% |
| Sep 30, 2025 | PRICE T ROWE ASSOCIATES INC /MD/ | 0.01% | 12.56K | 158K | 12.56K | +100.00% |
| Sep 30, 2025 | VANGUARD GROUP INC | 1.37% | 2.62M | 32.92M | 2.62M | +100.00% |
| Sep 30, 2025 | BLACKROCK, INC. | 0.77% | 1.46M | 18.34M | 1.46M | +100.00% |
| Sep 30, 2025 | ROYAL BANK OF CANADA | 0.63% | 1.2M | 15.06M | 1.2M | +100.00% |
| Sep 30, 2025 | BURKEHILL GLOBAL MANAGEMENT, LP | 0.05% | 100K | 1.26M | 100K | +100.00% |
| Sep 30, 2025 | MIRAE ASSET GLOBAL ETFS HOLDINGS LTD. | 0.01% | 10.9K | 136.85K | 10.9K | +100.00% |
| Sep 30, 2025 | PLATINUM EQUITY ADVISORS, LLC/DE | 86.47% | 165.16M | 2.07B | 165.16M | +100.00% |
| Sep 30, 2025 | T. ROWE PRICE INVESTMENT MANAGEMENT, INC. | 3.83% | 7.31M | 91.72M | 7.31M | +100.00% |
| Sep 30, 2025 | AMERICAN CENTURY COMPANIES INC | 1.58% | 3.01M | 37.79M | 3.01M | +100.00% |
| Sep 30, 2025 | JPMORGAN CHASE & CO | 0.61% | 1.16M | 14.6M | 1.16M | +100.00% |
| Sep 30, 2025 | ALBERTA INVESTMENT MANAGEMENT CORP | 0.52% | 1M | 12.55M | 1M | +100.00% |
| Sep 30, 2025 | BLACKBARN CAPITAL PARTNERS LP | 0.45% | 850.76K | 10.68M | 850.76K | +100.00% |
| Sep 30, 2025 | GEODE CAPITAL MANAGEMENT, LLC | 0.28% | 538.63K | 6.76M | 538.63K | +100.00% |
| Sep 30, 2025 | TD ASSET MANAGEMENT INC | 0.22% | 424.88K | 5.33M | 424.88K | +100.00% |
| Sep 30, 2025 | SEVEN GRAND MANAGERS, LLC | 0.1% | 199.75K | 2.51M | 199.75K | +100.00% |
| Sep 30, 2025 | NORTHERN TRUST CORP | 0.1% | 185.87K | 2.33M | 185.87K | +100.00% |
| Sep 30, 2025 | SQUAREPOINT OPS LLC | 0.09% | 166.9K | 2.09M | 166.9K | +100.00% |
| Sep 30, 2025 | VERITION FUND MANAGEMENT LLC | 0.07% | 143.14K | 1.8M | 143.14K | +100.00% |
| Sep 30, 2025 | SOROS FUND MANAGEMENT LLC | 0.07% | 125K | 1.57M | 125K | +100.00% |
| Sep 30, 2025 | SCHONFELD STRATEGIC ADVISORS LLC | 0.06% | 110.81K | 1.39M | 110.81K | +100.00% |
| Sep 30, 2025 | TWO SIGMA INVESTMENTS, LP | 0.06% | 110.47K | 1.39M | 110.47K | +100.00% |
| Sep 30, 2025 | COUNTERPOINT MUTUAL FUNDS LLC | 0.02% | 36.43K | 457.13K | 36.43K | +100.00% |
| Sep 30, 2025 | MAN GROUP PLC | 0.02% | 33.4K | 419.11K | 33.4K | +100.00% |
| Sep 30, 2025 | COHEN & STEERS, INC. | 0.02% | 30K | 377K | 30K | +100.00% |
| Sep 30, 2025 | NUVEEN, LLC | 0.01% | 28.17K | 353.57K | 28.17K | +100.00% |
| Sep 30, 2025 | RHUMBLINE ADVISERS | 0.01% | 22.26K | 279.33K | 22.26K | +100.00% |
| Sep 30, 2025 | WALLEYE CAPITAL LLC | 0.01% | 19K | 238.45K | 19K | +100.00% |
| Sep 30, 2025 | STATE OF WYOMING | 0.01% | 16.11K | 202.21K | 16.11K | +100.00% |
| Sep 30, 2025 | SANDIA INVESTMENT MANAGEMENT LP | 0.01% | 15K | 188.25K | 15K | +100.00% |
| Sep 30, 2025 | GSA CAPITAL PARTNERS LLP | 0.01% | 11.73K | 147K | 11.73K | +100.00% |
| Sep 30, 2025 | BANK OF AMERICA CORP /DE/ | 0.01% | 10.54K | 132.33K | 10.54K | +100.00% |
| Sep 30, 2025 | GREENLAND CAPITAL MANAGEMENT LP | 0.01% | 10.45K | 131.2K | 10.45K | +100.00% |
| Sep 30, 2025 | POLICE & FIREMEN'S RETIREMENT SYSTEM OF NEW JERSEY | 0% | 4.96K | 62.2K | 4.96K | +100.00% |
| Sep 30, 2025 | PARALLEL ADVISORS, LLC | 0% | 1.45K | 18.2K | 1.45K | +100.00% |
| Sep 30, 2025 | TOWER RESEARCH CAPITAL LLC (TRC) | 0% | 1.29K | 16.23K | 1.29K | +100.00% |
| Sep 30, 2025 | STERLING CAPITAL MANAGEMENT LLC | 0% | 507 | 6.36K | 507 | +100.00% |
| Sep 30, 2025 | SBI SECURITIES CO., LTD. | 0% | 130 | 1.63K | 130 | +100.00% |
| Sep 30, 2025 | HARBOUR INVESTMENTS, INC. | 0% | 100 | 1.26K | 100 | +100.00% |
| Sep 30, 2025 | QUARRY LP | 0% | 27 | 339 | 27 | +100.00% |
| Sep 30, 2025 | COMERICA BANK | 0% | 22 | 276 | 22 | +100.00% |
| Sep 30, 2025 | STATE STREET CORP | 0.21% | 394.06K | 4.95M | 394.06K | +100.00% |
| Sep 30, 2025 | ALYESKA INVESTMENT GROUP, L.P. | 0.99% | 1.89M | 23.74M | 1.89M | +100.00% |
| Sep 30, 2025 | FREESTONE GROVE PARTNERS LP | 0.34% | 650.36K | 8.16M | 650.36K | +100.00% |
| Sep 30, 2025 | CITADEL ADVISORS LLC | 0.33% | 630.38K | 7.91M | 630.38K | +100.00% |
| Sep 30, 2025 | TEACHER RETIREMENT SYSTEM OF TEXAS | 0.31% | 600K | 7.53M | 600K | +100.00% |
| Sep 30, 2025 | GOLDMAN SACHS GROUP INC | 0.29% | 554.78K | 6.96M | 554.78K | +100.00% |
| Sep 30, 2025 | RMG WEALTH MANAGEMENT LLC | 0% | 12 | 155 | 12 | +100.00% |
| Sep 30, 2025 | WEISS ASSET MANAGEMENT LP | 0.03% | 65K | 815.75K | 65K | +100.00% |
| Sep 30, 2025 | GHISALLO CAPITAL MANAGEMENT LLC | 0.13% | 250K | 3.14M | 250K | +100.00% |
Among the MH insiders holding of 0.45% of the stake in company, REINEMUND STEVEN, director, holds the largest shares of 73.71K. SIGLER MARY ANN, director, is the second largest MH insider with ownership of 7.5K shares. TISKA TRACEY, EVP & CHRO, stands third with possession of 4K shares of that stake.
| Insiders | Designation | Shares Held |
|---|---|---|
| REINEMUND STEVEN | director | 73.71K |
| SIGLER MARY ANN | director | 7.5K |
| TISKA TRACEY | EVP & CHRO | 4K |
| SALLMANN ROBERT | EVP & CFO | 3K |
| CORTESE DAVID | EVP & CDIO | 2.5K |
| Date | Insider | Type | Cost | Shares | Value ($) | Shares Total |
|---|---|---|---|---|---|---|
| Feb 17, 2026 | REINEMUND STEVEN | PURCHASE | 13.70 | 58K | 794.6K | 73.71K |
| Nov 14, 2025 | REINEMUND STEVEN | PURCHASE | 15.03 | 15.71K | 236.12K | 15.71K |
| Jul 25, 2025 | SIGLER MARY ANN | PURCHASE | 17.00 | 7.5K | 127.5K | 7.5K |
| Jul 25, 2025 | CORTESE DAVID | PURCHASE | 17.00 | 2.5K | 42.5K | 2.5K |
| Jul 25, 2025 | TISKA TRACEY | PURCHASE | 17.00 | 4K | 68K | 4K |
| Jul 25, 2025 | SALLMANN ROBERT | PURCHASE | 17.00 | 3K | 51K | 3K |