Corporate Ownership
Who owns Macmillan Publishers?
Based on verified corporate hierarchy telemetry for 2026, Macmillan Publishers operates as a subsidiary of Holtzbrinck.
Parent Company & Controlling Organization
Corporate entities holding a majority stake, operating ownership, or direct subsidiary control.
HO
Holtzbrinck
Parent Company
Diversified publishing group spanning research, education, books, and news media.
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