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Proventus AB

proventus.se Direct investor

Proventus AB is a family-owned investment company founded in 1969 and owned by Robert Weil and family, organised since 2017 as a family office. It manages the assets of the Weil family and the Robert Weil Family Foundation, investing directly across private equity, public equity, fixed income, property and alternatives.

Proventus AB is a family office headquartered in Stockholm, Sweden, founded in 1969. It invests directly in companies, in private equity, public equity, fixed income and property.

“Proventus has a diversified investment strategy spanning over the full range of asset classes globally.”

— Proventus AB, own website
Layer
Direct investor
Type
Family office
Stage
Not stated
Headquarters
Stockholm, Sweden
Invests in
global, Europe
Sectors
private equity, public equity, fixed income, property, alternative investments
Founded
1969

Team, as Proventus AB publishes it

  • Robert Weil Chairman and Founder
  • Caj Tigerstedt CIO and deputy CEO
  • Anna Karin Mårtensson CFO
  • Daniel Axmér Portfolio Manager
  • Joakim Walldoff Assistant Portfolio Manager
  • Carina Sjögren PA to Chairman and Founder
  • Lina Sjöquist Secretary General Robert Weil Family Foundation
  • Fatma Karatay Chief Accountant
  • Mathias Brogie Chef de cuisine
  • Peter Cederblad Security and Maintenance
  • Nina Altmejd Communications Officer

Names and roles exactly as listed on proventus.se. Nothing else about these people is recorded.

Where this comes from

Every fact above was read from a page Proventus AB publishes itself. Nothing is taken from third-party databases. Investment activity (deals, co-investors) is not yet recorded.

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Record 16861 · added 2026-10-26 · link last verified 2026-10-26 · confidence high

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