Io

Profile Preview — Altss

Ion-Ion (Jon Riberas Family Office) Overview

Type

Single Family Office

General Information

Ion-Ion (Jon Riberas Family Office) is a single-family office headquartered in Madrid, Spain. Founded in 1994, it oversees the investment and wealth management needs of Jon María Riberas Mera and his family, whose fortune originates from controlling stakes in automotive components manufacturer Gestamp and steel processor Gonvarri. The office allocates capital across private equity, real assets and diversified holdings.

Contact Information

Year Founded:

Investment Focus & Strategy


Open To First Time Funds:

Institution Type:
Single Family Office

Leadership & Principals


Corporate Office:
Madrid, Spain

Portfolio & Notable Allocations


Altss Insights


Need institutional-grade insight on family offices?

Altss delivers:

  • • Live OSINT deal alerts
  • • Allocation history by asset class
  • • Principals with verified direct contacts

Prefer a guided tour?

We’ll walk you through:

  • • Interactive funding timelines
  • • Custom mandate & allocation filters
Ion Ion Jon Riberas Family Office | Madrid Single Family Office | Altss