Ken Griffin
MH

Ken Griffin’s McGraw Hill MH Stock Holding History

Ken Griffin’s Portfolio MH Stock Details MH Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$2.88M Buy
210,479
+79,427
+61% +$1.12M ﹤0.01% 5346
2025
Q4 		$2.16M Sell
131,052
-499,329
-79% -$7.25M ﹤0.01% 5754
2025
Q3 		$7.91M Buy
+630,381
New +$9.15M ﹤0.01% 3599

Other funds holding MH

PEA
Platinum Equity Advisors Beverly Hills, California $8.88B AUM 27.09% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
BCP
BlackBarn Capital Partners New York $1.24B AUM 55.98% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Alyeska Investment Group
Alyeska Investment Group Chicago, Illinois $35.4B AUM 33.54% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund Toronto, Ontario, Canada $71.2B AUM 48.86% 1-Year Est. Return

Ken Griffin's MH Position: Q1 2026 in Review

Ken Griffin increased its McGraw Hill (MH) stake by 61% in Q1 2026, buying an estimated $1.12M and bringing the position to 210,479 shares worth $2.88M. The position accounts for ﹤0.01% of the portfolio, ranked #5346.

Ken Griffin first reported a position in MH in Q3 2025 and has held it in 3 quarters since. The position peaked at $7.91M in Q3 2025. 107 funds tracked by Wall St. Rank hold MH as of Q1 2026.

  • Ken Griffin held 210,479 shares of McGraw Hill worth $2.88M as of Q1 2026.
  • Ken Griffin bought 79,427 McGraw Hill shares in Q1 2026, an estimated $1.12M.
  • McGraw Hill made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #5346 holding.
  • Ken Griffin first reported a position in McGraw Hill in Q3 2025 and has held it in 3 quarters since.
  • Ken Griffin's McGraw Hill position peaked at $7.91M in Q3 2025.
  • 107 funds tracked by Wall St. Rank held McGraw Hill as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.