Halstatt
Family officeNaples · Seed–Series C · 27 people tracked
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Investment thesis
Halstatt is a female-led alternative investment firm descended from the Collier family, an influential force in the development of Florida. Founded by Juliet 'Judy' Collier Sproul, it began with real estate projects including the Grey Oaks Country Club and the LaPlaya Beach and Golf Resort. Today the firm operates as a diversified alternative investment platform spanning real estate, private equity, sponsored buyouts, venture capital, and specialty lending, deploying capital on behalf of the Sproul family and third-party institutional investors. It also maintains philanthropic activity through the Halstatt Charitable Foundation.
Source: firm website, verified Aug 16, 2026.
Team · 27 people
from the firm's website & public directoriesFrequently asked questions
- What stage does Halstatt invest at?
- Halstatt invests at the Seed, Series A, Series B, Series C stages.
- What sectors does Halstatt focus on?
- Halstatt focuses on Consumer, Enterprise Software, PropTech, SaaS, Sector Agnostic.
- Where is Halstatt located?
- Halstatt is headquartered in Naples, US.
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