Public firm-level fields only. Contact details are withheld. Order follows disclosed assets under management where available, then profile depth. It is not a ranking.
Henry Crown and Company
Chicago, IL | Single family office
Henry Crown and Company manages investments across publicly traded securities, real estate, investment funds, and privately held operating companies. Its subsidiary holding company manages wholly owned businesses.
- AUM range
- $5B-$20B
- Check size
- Not stated
- Asset classes
- Public Equities, Real Estate, Funds, Direct Investments, Infrastructure, Private Credit
- Wealth source
- Crown family
Sawdust Investment Management Corp.
Chicago, IL | Single family office | Founded 2003
Sawdust Investment Management is a US-based single-family office. Its stated investment areas include technology, healthcare-related sectors, retail and real estate.
- AUM range
- $1B-$5B
- Check size
- Not stated
- Asset classes
- Private Equity, Venture Capital, Private Credit, Hedge Funds, Real Estate
- Wealth source
- Not stated
DNS Capital, LLC
Chicago, IL | Single family office | Founded 2015
DNS Capital is the investment office for the business enterprise of the Pritzker and Pucker families. It takes a long-term approach to investing and works with business owners, management teams, and entrepreneurs.
- AUM range
- Under $50M
- Check size
- Not stated
- Asset classes
- Private Equity, Direct Investments
- Wealth source
- Pritzker and Pucker families
D'Orazio Capital, LLC
Chicago, IL | Single family office | Founded 2010
D'Orazio Capital is a single-family office that acquires, manages, and supports the growth of companies, primarily in the industrial sector. Its stated areas include aerospace and defense, automotive components, building products, chemicals, construction materials, energy equipment, industrial services, and machinery.
- AUM range
- $50M-$250M
- Check size
- Not stated
- Asset classes
- Direct Investments
- Wealth source
- Not stated
i26 Capital Management, LLC
Chicago, IL | Single family office | Founded 2012
i26 Capital Management is a single family office and private investment firm focused on private equity and structured lending. It invests in private growth companies, with stated interests in e-commerce, capital efficiency and protective business advantages.
- AUM range
- Under $50M
- Check size
- Not stated
- Asset classes
- Private Equity, Private Credit, Direct Investments
- Wealth source
- Not stated
Bridge Ventures, LLC
Chicago, IL | Single family office | Founded 2021
Bridge Ventures is a single family office that invests directly in startups and as a limited partner in venture capital and private equity funds. Its stated areas include healthcare, financial technology, software, clean energy, infrastructure, and advanced manufacturing.
- AUM range
- Not stated
- Check size
- Not stated
- Asset classes
- Venture Capital, Private Equity, Direct Investments, Funds
- Wealth source
- Not stated
Polsky Holdings, Inc.
Chicago, IL | Single family office | Founded 2001
Polsky Holdings is a Chicago-based single-family office for the Polsky family. Its stated areas include services, manufacturing, consumer businesses, healthcare, and real estate.
- AUM range
- $50M-$250M
- Check size
- Not stated
- Asset classes
- Real Estate, Private Equity
- Wealth source
- Polsky family
William Harris Investors, Inc.
Chicago, IL | Single family office | Founded 1975
William Harris Investors manages investments and wealth for four generations of the Harris family. Its strategies include public and private equities, fixed income, venture capital, hedge funds and real estate.
- AUM range
- Not stated
- Check size
- Not stated
- Asset classes
- Private Equity, Venture Capital, Real Estate, Public Equities, Fixed Income, Hedge Funds
- Wealth source
- Harris family
Hull Investments, LLC
Chicago, IL | Single family office | Founded 1999
Hull Investments was established following the sale of Hull Trading Group. It serves as the family office for three generations of the Hull family and is the parent company of HTAA.
- AUM range
- $250M-$1B
- Check size
- Not stated
- Asset classes
- Not stated
- Wealth source
- Hull family; proceeds from the sale of Hull Trading Group
Wasson Enterprise LLC
Chicago, IL | Single family office | Founded 2016
Wasson Enterprise is a single-family investment office focused on early-stage investments in businesses and ideas. Its areas of interest include consumer and retail, clean technology, and health technology.
- AUM range
- Not stated
- Check size
- Not stated
- Asset classes
- Venture Capital, Funds
- Wealth source
- Wasson family; Walgreens retail business
Lorentzen Investments, LLC
Chicago, IL | Single family office
Lorentzen Investments is a single-family office that invests in early-stage companies and lower middle-market operating businesses. Its approach includes leveraged buyouts and investments aligned with reshoring and sustainability themes.
- AUM range
- Not stated
- Check size
- Not stated
- Asset classes
- Private Equity, Venture Capital, Real Estate, Direct Investments
- Wealth source
- Not stated
PSP Capital Partners, LLC
Chicago, IL | Single family office | Founded 2011
PSP Capital Partners is a private investment firm founded by the Pritzker family. It invests directly in private businesses and real estate, with a focus on business and technology services, advanced industrials and real assets, and also commits to complementary funds and partnerships.
- AUM range
- Not stated
- Check size
- Not stated
- Asset classes
- Real Estate, Private Equity, Venture Capital, Public Equities, Hedge Funds, Private Credit, Funds
- Wealth source
- Pritzker family
Zell Family Office
Chicago, IL | Single family office
Zell Family Office supports the Zell family with services related to health, finances, and overall well-being. Its affiliated investment division focuses on direct investments in privately held companies across industries.
- AUM range
- Not stated
- Check size
- Not stated
- Asset classes
- Real Estate, Private Equity, Direct Investments
- Wealth source
- Zell family
The Pritzker Organization, LLC
Chicago, IL | Single family office | Founded 1902
The Pritzker Organization manages the business interests of the Pritzker family and partners with businesses across industries. Its investments include control and non-control positions in industrials, technology, infrastructure, healthcare, and logistics.
- AUM range
- Not stated
- Check size
- Not stated
- Asset classes
- Private Equity, Infrastructure, Direct Investments
- Wealth source
- Pritzker family
Temple Hall Capital Management
Chicago, IL | Single family office
Temple Hall Capital Management is the Mencoff family office, affiliated with Temple Hall Group, a family-owned company investing in North American manufacturing businesses. Its stated areas include machining, paper and packaging, utility services, metals, glass, distribution and contract manufacturing.
- AUM range
- Not stated
- Check size
- Not stated
- Asset classes
- Direct Investments
- Wealth source
- Mencoff family
Fulton Asset Management LLC
Chicago, IL | Single family office | Founded 1962
Fulton Asset Management is a single-family office and investment vehicle focused on strategic acquisitions and partnerships in the U.S. industrial sector. Its stated areas include aerospace, manufacturing, infrastructure, and defense.
- AUM range
- Not stated
- Check size
- Not stated
- Asset classes
- Infrastructure, Real Estate, Direct Investments
- Wealth source
- Not stated
Vincit Capital Management
Chicago, IL | Single family office | Founded 2019
Vincit Capital Management is a family office focused on real estate, alternative investments, and public and private equity. Its real estate interests include commercial, residential, and industrial properties, development, and domestic holdings.
- AUM range
- Not stated
- Check size
- Not stated
- Asset classes
- Real Estate, Private Equity, Public Equities
- Wealth source
- Not stated
The Friedman Family Office
Chicago, IL | Single family office | Founded 1970
The Friedman Family Office organizes the family’s investments and holdings, with interests spanning real estate development, property management, arts, philanthropy, social impact, business, and emerging technology.
- AUM range
- Not stated
- Check size
- Not stated
- Asset classes
- Real Estate
- Wealth source
- Friedman family
Atman LP
Chicago, IL | Single family office | Founded 2006
Atman is a single-family investment vehicle established for the Khatau family, whose business legacy includes textiles, manufacturing, transportation, agribusiness and automotive. It invests globally, focusing on healthcare and life sciences, and also allocates to funds and general partners.
- AUM range
- Not stated
- Check size
- Not stated
- Asset classes
- Funds
- Wealth source
- Khatau family; textiles, manufacturing, transportation, agribusiness and automotive
Chaifetz Group
Chicago, IL | Single family office | Founded 2010
Chaifetz Group is a single-family office focused on venture capital and growth investments. It invests in and works with businesses and management teams.
- AUM range
- Not stated
- Check size
- Not stated
- Asset classes
- Venture Capital, Private Equity, Real Estate
- Wealth source
- Not stated
Duchossois Capital Management
Chicago, IL | Single family office | Founded 2013
Duchossois Capital Management is a family-owned investment company that applies experience from its family business to a range of investment opportunities. Its stated areas include private capital, real estate, funds, public securities, and municipal, residential, and commercial markets.
- AUM range
- Not stated
- Check size
- Not stated
- Asset classes
- Private Equity, Real Estate, Funds, Public Equities
- Wealth source
- Duchossois family; family business
AssetBlue Investment Group
Chicago, IL | Single family office | Founded 2016
AssetBlue Investment Group is a single-family office founded by a family. It manages public, private, and direct investments and supports the family’s businesses and philanthropic activities.
- AUM range
- Not stated
- Check size
- Not stated
- Asset classes
- Private Equity, Public Equities, Direct Investments
- Wealth source
- Family; proceeds from exits in healthcare and technology businesses
MB Investments, LLC
Chicago, IL | Single family office | Founded 1982
MB Investments is a single-family office serving the Bucksbaum family. It manages investments and supports accounting, tax, insurance, property management, and philanthropy for family members, trusts, and foundations.
- AUM range
- Not stated
- Check size
- Not stated
- Asset classes
- Real Estate
- Wealth source
- Bucksbaum family
Bondy Capital, LLC
Chicago, IL | Single family office | Founded 2023
Bondy Capital is a private investment firm operating as a single-family office. Its stated focus areas include private equity, technology, financial services, healthcare, and business services.
- AUM range
- Not stated
- Check size
- Not stated
- Asset classes
- Private Equity
- Wealth source
- Not stated
Bulletproof Capital
Chicago, IL | Single family office | Founded 2022
Bulletproof Capital is a Chicago-based single family office that provides wealth management services, including tax, philanthropic, and estate planning, alongside investment oversight across public markets, private funds, and direct investments.
- AUM range
- Not stated
- Check size
- Not stated
- Asset classes
- Public Equities, Funds, Direct Investments
- Wealth source
- Founding family
Tortoise Properties & Tortoise Family Office
Chicago, IL | Single family office | Founded 2017
Tortoise Family Office serves the owners of Tortoise Properties, which acquires, develops, owns and operates commercial, multifamily and mixed-use properties in South Florida. Its stated approach includes long-term buy-and-hold investments.
- AUM range
- Not stated
- Check size
- Not stated
- Asset classes
- Real Estate, Direct Investments
- Wealth source
- Not stated
KF Partners, LLC
Chicago, IL | Single family office
KF Partners is a Chicago-based single-family office providing wealth management and lifestyle management services. Its stated investment areas include consumer goods, retail, and real estate.
- AUM range
- Not stated
- Check size
- Not stated
- Asset classes
- Real Estate
- Wealth source
- Not stated
Mosaix Ventures
Chicago, IL | Single family office | Founded 2000
Mosaix Ventures is an investment partnership backed by a single-family office that invests in commercial-stage companies. Its stated areas of interest include medical devices, technology-enabled services, and applications for niche markets.
- AUM range
- Not stated
- Check size
- Not stated
- Asset classes
- Direct Investments
- Wealth source
- Not stated
The Jordan Family Office
Chicago, IL | Single family office | Founded 2010
The Jordan Family Office is a single-family office based in Chicago. Its stated areas include hedge funds, private equity, stocks, and bonds.
- AUM range
- Not stated
- Check size
- Not stated
- Asset classes
- Hedge Funds, Private Equity, Public Equities, Fixed Income
- Wealth source
- Jordan family
Chai Trust Company, LLC
Chicago, IL | Single family office
Chai Trust Company administers trusts established for members of the Zell family and serves as the family office. Its Equity Group Investments division provides investment management services on behalf of the trust.
- AUM range
- Not stated
- Check size
- Not stated
- Asset classes
- Real Estate, Private Equity
- Wealth source
- Zell family
Gore Creek Asset Management LLC
Chicago, IL | Single family office | Founded 2005
Gore Creek Asset Management is a single-family office providing financial services to the Galvin family. Its stated investment areas include alternative investments, hedge funds, private equity, and real assets.
- AUM range
- Not stated
- Check size
- Not stated
- Asset classes
- Hedge Funds, Private Equity, Real Estate, Infrastructure, Commodities
- Wealth source
- Galvin family
M4 Capital Management
Chicago, IL | Single family office | Founded 2024
M4 Capital Management is a single-family office that makes principal investments globally across asset classes. Its stated interests include private equity, venture capital, public equities, real estate, alternatives, biotechnology and hedge funds.
- AUM range
- Not stated
- Check size
- Not stated
- Asset classes
- Private Equity, Venture Capital, Public Equities, Real Estate, Hedge Funds
- Wealth source
- Not stated
Lefkofsky Family Office
Chicago, IL | Single family office | Founded 2006
Lefkofsky Family Office is the family office associated with the Lefkofsky family. The source describes the family office in connection with Groupon.
- AUM range
- Not stated
- Check size
- Not stated
- Asset classes
- Not stated
- Wealth source
- Not stated
North Star Investments Inc.
Chicago, IL | Single family office | Founded 2021
North Star Investments is a single-family office investing across asset classes.
- AUM range
- Not stated
- Check size
- Not stated
- Asset classes
- Not stated
- Wealth source
- Not stated
Simpson Estates, Inc.
Chicago, IL | Single family office | Founded 2012
Simpson Estates is a single-family office based in Chicago, Illinois.
- AUM range
- Not stated
- Check size
- Not stated
- Asset classes
- Not stated
- Wealth source
- Not stated
Pritzker Family office LLC
Chicago, IL | Single family office | Founded 2008
Pritzker Family Office is a single-family office based in Chicago.
- AUM range
- Not stated
- Check size
- Not stated
- Asset classes
- Not stated
- Wealth source
- Pritzker family