Single Family OfficePuts its own capital into companiesLAST VERIFIED Aug 2026 · 1 SOURCES
Halstatt
Single family office in Naples, United States, founded 1992; focus on real estate.
USEFUL FOR Co-investors
Family & background
- FAMILY
- Sproul
- HEADQUARTERS
- Naples, United States
- FOUNDED
- 1992
Investment approach
- SECTORS
- Real Estate & PropTech
- ROUTES
- Companies (own capital)
Overview
This single family office is based in Naples, United States; it was founded in 1992. Listed sector interests include real estate. It invests directly in companies; 4 people are named on its team.
People
- Katie SproulCEO · source
- Juliet Collier SproulFounder · source
- Julie SproulFamily Board · source
- Jennifer SullivanPhilanthropy Lead · source
Frequently asked questions
Halstatt is a single family office based in Naples, the United States, founded in 1992.
Halstatt invests on behalf of the Sproul family.
Halstatt invests its own capital into companies.
Halstatt invests in Real Estate & PropTech.
Key people at Halstatt include Katie Sproul (CEO), Juliet Collier Sproul (Founder), Julie Sproul (Family Board) and Jennifer Sullivan (Philanthropy Lead).