Portage Partners
Portage Partners is a multi-family office headquartered in New York. Founded in 2010 as the investment vehicle of Michael Leffell, the retired deputy executive managing member of event-driven hedge fund Davidson Kempner Capital Management, the firm now...
Portage Partners
Portage Partners is a multi-family office headquartered in New York. Founded in 2010 as the investment vehicle of Michael Leffell, the retired deputy executive managing member of event-driven hedge fund Davidson Kempner Capital Management, the firm now stewards capital for several families, applying institutional due diligence to source, evaluate and monitor alternative funds, real estate and direct private-market opportunities—generating research-driven portfolios.
General information
Firm type
Multi Family Office
Year founded
2010
AUM
—
Location
Region
North America
Country
—
City
New York
Corporate office
—
Frequently asked questions
What is Portage Partners?
Portage Partners is a multi family office headquartered in New York.
When was Portage Partners founded?
Portage Partners was founded in 2010.
Where is Portage Partners headquartered?
Portage Partners is headquartered in New York, in the North America region.
What does Altss track for Portage Partners?
Altss maintains an OSINT-verified profile of Portage Partners 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 Portage Partners's website?
Portage Partners's public website is www.portagepartners.com. Verified contact details for principals and decision-makers are available to Altss subscribers.
What type of firm is Portage Partners?
Portage Partners is classified by Altss as a Multi Family Office within the North America region.
How does Altss source intelligence on Portage Partners?
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 Portage Partners?
Portage Partners'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
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Get accessInvestment stages
Confirmed
Pipeline
Indicated
Negative
Emerging interests
Hard exclusions
ESG policy
Direct deal program
Emerging manager LP program
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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
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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 |
|---|---|---|---|---|---|---|---|---|---|
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Get accessFund Commitments
| Date | Fund | Strategy | Geography | Role | Fund size | Vintage |
|---|---|---|---|---|---|---|
Club Memberships and Associations & Advisors
| Organization | Role | Since | Notes |
|---|---|---|---|
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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.
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