AUM
Estimated $2-4B
Principals
2
Principal Net Worth
$89.0B
Data Flags
Extremely private; minimal public information; "reclusive" founder; resigned as president 2024
Leonard Family Office
SFOMedium ConfidenceToronto, Ontario, Canada
Last verified: Jan 16, 2026
Details
- Website
- Unknown
- Source of Wealth
- Technology (Software - Constellation Software)
- Assets Under Management
- Estimated $2-4B
- Source File
- research/organizations/leonard-family-office.md
- UID
- fo-leonard-family-office
Also Known As
Mark Leonard Family OfficeLeonard CapitalConstellation Software Founder
Principals (2)
Team Members (1)
Related Entities (2)
Relationship Strength
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Sources (4)
- https://www.forbes.com/profile/mark-leonard/
- https://quartr.com/insights/business-philosophy/mark-leonard-the-mysterious-brain-behind-constellation-software
- https://ca.finance.yahoo.com/news/mark-leonard-reclusive-founder-constellation-210730700.html
- https://etedge-insights.com/featured-insights/the-monk-of-the-market-meet-mark-leonard-the-quiet-mogul-who-built-a-mega-billion-software-empire/
Changelog
- 2026-01-16Enriched with biography, founding story, $25M to $89B growth, extremely private nature, 2024 resignation as president, updated net worth ($2.6-3.7B). Confidence updated to Medium.
- 2026-01-15Auto-generated from principal Mark Leonard & family