AUM
Not disclosed
Principals
3
Principal Net Worth
$14.0B
Data Flags
Heiress to Swedish industrial family, wealth through Lundbergforetagen stake
Martinson Family Office (Lundberg)
SFOHigh ConfidenceStockholm, Sweden
Last verified: Jan 17, 2026
Details
- Source of Wealth
- Diversified investments (industrial holdings via Lundbergforetagen)
- Assets Under Management
- Not disclosed
- Source File
- research/organizations/martinson-family-office.md
- UID
- fo-martinson-family-office
Also Known As
Katarina Martinson Family OfficeMartinson CapitalLundberg Family Office
Principals (3)
Team Members (3)
Related Entities (3)
Relationship Strength
Loading relationships...
Sources (5)
- https://en.wikipedia.org/wiki/Katarina_Martinson
- https://www.forbes.com/profile/katarina-martinson/
- https://www.mansionglobal.com/articles/swedish-heiress-breaks-price-records-for-stockholm-townhouse-80448
- https://www.goodreturns.in/katarina-martinson-net-worth-and-biography-blnr1704.html
- https://www.irishtimes.com/business/personal-finance/meet-the-swedish-sisters-who-became-billionaires-this-week-1.2754025
Changelog
- 2026-01-17Upgraded to High confidence. Net worth verified: Forbes Real-Time $2.6B, CEOWORLD Female Billionaires 2025 $2.4B, Wikipedia Swedish Billionaires $2.3B. Multiple independent sources confirm billionaire status.
- 2026-01-16Enriched with biography, Lundberg family connection, entities
- 2026-01-15Auto-generated from principal Katarina Martinson