Spring Bay Companies (Sontag Family Office)
Spring Bay Companies (Sontag Family Office) is a single-family office headquartered in Ponte Vedra Beach.

Spring Bay Companies (Sontag Family Office)
Spring Bay Companies (Sontag Family Office) is a single-family office headquartered in Ponte Vedra Beach. Founded in 2002 with capital from Frederick “Rick” Sontag’s sale of aviation-parts maker Unison Industries to GE, the office allocates family capital into venture growth opportunities, private equity, hedge funds and real estate while providing management services to The Sontag Foundation and Brain Tumor Network—deploying disciplined, patient capital.
General information
Firm type
Single Family Office
Year founded
2002
AUM
—
Location
Region
North America
Country
—
City
Ponte Vedra Beach
Corporate office
816 A1A North, Suite 201 Ponte Vedra Beach
Frequently asked questions
What is Spring Bay Companies (Sontag Family Office)?
Spring Bay Companies (Sontag Family Office) is a single family office headquartered in Ponte Vedra Beach.
When was Spring Bay Companies (Sontag Family Office) founded?
Spring Bay Companies (Sontag Family Office) was founded in 2002.
Where is Spring Bay Companies (Sontag Family Office) headquartered?
Spring Bay Companies (Sontag Family Office) is headquartered in Ponte Vedra Beach, in the North America region.
What does Altss track for Spring Bay Companies (Sontag Family Office)?
Altss maintains an OSINT-verified profile of Spring Bay Companies (Sontag Family Office) covering investment focus (ESG policy, ticket size, target IRR, currency preference, regional focuses, industry focuses, technological focuses), team (service providers and advisors), deals (company deals and fund commitments), assets (real estate, public market positions, private companies, art and cultural holdings, philanthropy and foundations), and network (club memberships, associations, and event participation). Detailed values are available to Altss subscribers.
What is Spring Bay Companies (Sontag Family Office)'s website?
Spring Bay Companies (Sontag Family Office)'s public website is www.spring-bay.com. Verified contact details for principals and decision-makers are available to Altss subscribers.
What type of firm is Spring Bay Companies (Sontag Family Office)?
Spring Bay Companies (Sontag Family Office) is classified by Altss as a Single Family Office within the North America region.
How does Altss source intelligence on Spring Bay Companies (Sontag Family Office)?
Altss combines OSINT (open-source intelligence) with regulatory filings, public disclosures, and licensed data partners. Source provenance is tracked to support compliance-ready research workflows.
How fresh is the Altss profile for Spring Bay Companies (Sontag Family Office)?
Spring Bay Companies (Sontag Family Office)'s profile is part of Altss's continuous-refresh dataset, with a full update cycle at least every 30 days and priority changes applied as new information is verified.
Company types
Confirmed
Pipeline
Indicated
Negative
Industry focuses
Confirmed
Pipeline
Indicated
Negative
Regional focuses
Confirmed
Pipeline
Indicated
Negative
Technological focuses
Confirmed
Pipeline
Indicated
Negative
Get access to Altss to unlock details
Get accessInvestment stages
Confirmed
Pipeline
Indicated
Negative
Emerging interests
Hard exclusions
ESG policy
Direct deal program
Emerging manager LP program
Get access to Altss to unlock details
Get accessManager maturity preference
Confirmed
Indicated
Ticket size (USD M, min/max)
Preferred fund size (USD M, min/max)
Investment horizon (years, min/max)
Target IRR (%)
Max leverage
Liquidity terms
Currency preference
Get access to Altss to unlock details
Get accessPhilanthropy-only themes
Political donations
Service Providers & Advisors
| Category | Firm | Years Active | Primary Contact |
|---|---|---|---|
Company Deals
| Date | Company | Type | Sector | Geography | Role | Amount | Deal Lead | Co-investors | Insight |
|---|---|---|---|---|---|---|---|---|---|
Get access to Altss to unlock details
Get accessFund Commitments
| Date | Fund | Strategy | Geography | Role | Fund size | Vintage |
|---|---|---|---|---|---|---|
Club Memberships and Associations & Advisors
| Organization | Role | Since | Notes |
|---|---|---|---|
Get access to Altss to unlock details
Get accessEvent & Conference Participation
| Event | Role | Date | Location |
|---|---|---|---|
Profile maintained by Altss using OSINT (open-source intelligence), regulatory filings, licensed data partners, and verified direct submissions. Continuous refresh with full update cycles at least every 30 days.
Need institutional-grade insight on family offices?
Altss delivers:
Prefer a guided tour?
We’ll walk you through: