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Twenty First Investors
Twenty First Investors is an SEC-registered investment adviser. The firm manages approximately $17 million in regulatory assets. It has 2 employees and 1...
Twenty First Investors
Twenty First Investors is an SEC-registered investment adviser. The firm manages approximately $17 million in regulatory assets. It has 2 employees and 1 investment adviser.
General information
Firm type
Single Family Office
Location
Region
North America
Country
United States
City
New York
Corporate office
New York, NY, United States
Principals
William Von Mueffling
President and Managing Director
Sector focus
Frequently asked questions
What is Twenty First Investors?
Twenty First Investors is a single family office headquartered in New York, United States.
Where is Twenty First Investors headquartered?
Twenty First Investors is headquartered in New York, United States, in the North America region.
What does Altss track for Twenty First Investors?
Altss maintains an OSINT-verified profile of Twenty First Investors 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 Twenty First Investors's website?
Twenty First Investors's public website is twentyfirstinvestors.com. Verified contact details for principals and decision-makers are available to Altss subscribers.
What type of firm is Twenty First Investors?
Twenty First Investors is classified by Altss as a Single Family Office, operating from United States within the North America region.
How does Altss source intelligence on Twenty First Investors?
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.
When was Twenty First Investors's Altss profile last updated?
Twenty First Investors's profile on Altss was last refreshed on July 6, 2026. Continuous updates are applied as new public information is verified.
Profile maintained by Altss using OSINT (open-source intelligence), regulatory filings, licensed data partners, and verified direct submissions. Read the methodology. Last updated: . Continuous refresh with full update cycles at least every 30 days.
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