Sofie Kirk Kristiansen is a fourth-generation owner of the LEGO fortune whose wealth comes from the family's controlling ownership of the LEGO Group through KIRKBI rather than from an operating role of her own. [1][3]
Her wealth comes from fourth-generation LEGO ownership
Forbes describes Sofie Kirk Kristiansen as a fourth-generation LEGO owner who shares the family's controlling economic interest in the company with her father and siblings. [1]
The family business predates her by decades: KIRKBI traces the LEGO enterprise to Ole Kirk Kristiansen, who began making toys in Billund in 1932 before ownership passed through successive generations. [2]
KIRKBI's 2023 handover materials said Sofie received roughly a quarter ownership interest in KIRKBI and 12.7% of its voting rights as the fourth generation assumed control from Kjeld Kirk Kristiansen. [3]
The public record does not establish an operating role
Forbes explicitly says Sofie is not involved in the LEGO business, in contrast with her brother Thomas, who has taken the family's most active governance role. [1]
Her billionaire wealth is therefore best understood as inherited family ownership with little demonstrated operating stewardship. The reviewed record supports ownership rights, but not material value creation attributable to Sofie herself. [1][3]
Sources for background
Sources reviewed Sep 26, 2026.
- Sofie Kirk Kristiansen · Forbes · Mar 10, 2026
- Family Ownership · KIRKBI
- The Kirk Kristiansen family completes generational handover · KIRKBI · May 1, 2023
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