| # | Company | Employees |
|---|---|---|
| 1 |
Northern Trust Asset Managementntam.northerntrust.com
Global manager providing capital markets research, portfolio construction, and risk management to deliver targeted outcomes for investors through innovative and efficient investment solutions. |
928 |
| 2 |
L&G โ Asset Management, Americaam.landg.us.com
Manage $1.4 trillion in assets across public and private markets, offering index, active funds, and risk management solutions. |
289 |
| 3 |
Gelber Group LLCgelbergroup.com
A global proprietary trading firm based in Chicago, specializing in various asset classes and driven by trading innovation and technological advancements |
222 |
| 4 |
The Vistria Groupvistria.com
Private investment firm focused on essential industries like healthcare, knowledge, and financial services, seeking financial returns and societal impact through partnerships with portfolio companies |
152 |
| 5 |
CI Segall Bryant & Hamillcisbh.com
Established in 1994, offering professional portfolio management services for domestic and international equity, fixed income, and alternative investments to institutional and intermediary clients |
106 |
| 6 |
Driehaus Capital Management LLCdriehaus.com
A privately-held investment management firm that offers global, emerging markets, US growth equity, and alternative investment strategies to a diverse institutional client base |
98 |
| 7 |
Great Lakes Advisorsยฎgreatlakesadvisors.com
A Chicago-based investment firm offering a wide range of fixed income and equity strategies with deep portfolio management capabilities in ESG and customized account solutions |
87 |
| 8 |
Flexpoint Fordflexpointford.com
Private equity investment firm specializing in financial services and healthcare industries, with flexibility in investment size, structure, and asset class |
84 |
| 9 |
Victory Park Capital Advisorsvictoryparkcapital.com
Global alternative investment manager providing creative financing solutions to emerging and established businesses worldwide, with a focus on industries traditionally underserved by traditional sources of capital |
82 |
| 10 |
CMT Capital Markets Tradingcapitalmarketstrading.com
A versatile proprietary trading firm with a strong track record in low-latency, high frequency trading, private equity, venture capital, and early-stage investments across industries |
75 |
| 11 |
AAM - Insurance Investment Managementaamcompany.com
Dedicated to insurance asset management with $23 billion AUM, AAM offers expert portfolio management, in-house research, and personalized service for clients' investment needs |
69 |
| 12 |
50 South Capital50southcapital.com
Alternative asset management firm providing access to hedge funds, private equity, and real assets solutions, focusing on risk-adjusted returns and diversification for investors |
67 |
| 13 |
Duff & Phelps Investment Management Co.dpimc.com
Specialized investment management firm with expertise in Global Listed Real Estate, Infrastructure, Clean Energy, Water, and Diversified Real AssetsisActive management with fundamental research |
62 |
| 14 |
PT Asset Management, LLCptam.com
Chicago-based boutique fixed income asset manager delivering superior long-term results by uncovering compelling opportunities and managing approximately $597 billion in assets |
58 |
| 15 | 49 | |
| 16 |
Dearborn Partnersdearbornpartners.com
Independent investment management firm in Chicago, serving high net worth individuals, institutional investors, and investment advisors with Rising Dividend portfolios Contact for details |
46 |
| 17 |
North Square Investmentsnorthsquareinvest.com
Independent investment firm offering unique strategies, bringing together talented minds in active management, inspired by city squares as hubs for exchange of ideas |
37 |
| 18 |
CastleArk Management, LLCcastleark.com
Registered investment advisor providing asset management services to institutions and high net worth individuals with a focus on various equity strategies |
32 |
| 19 |
Prospect Partnersprospect-partners.com
A leading Chicago-based private equity firm partnering with passionate entrepreneurs to build exceptional platforms for long-term growth in various industries |
28 |
| 20 |
WP Global Partnerswpglobalpartners.com
WP Global Partners specializes in providing institutional clients with exposure to private equity, venture capital, and private debt investments through tailored programs |
28 |
| 21 |
Oak Ridge Investmentsoakridgeinvest.com
An investment management firm based in Chicago and New York, offering actively managed strategies to clients with over $4 billion in assets under management |
27 |
| 22 |
Promus Holdings, LLCpromusequity.com
A multi-family office specializing in wealth preservation and growth through strategic investment management across traditional and alternative asset classes |
25 |
| 23 |
11 Tribes Ventures11tribes.vc
An early-stage venture fund investing in resilient entrepreneurs' mental, emotional, and spiritual health, focusing on purpose-driven founders in non-traditional tech hubs |
25 |
| 24 |
Growth Catalyst Partnersgrowthcatalystpartners.com
Middle market private equity firm specializing in investing in tech-enabled companies in marketing, information, media, and business services sectors to drive growth and value creation |
24 |
| 25 |
Erie Street Growth Partnerseriestreet.com
Private investment firm partnering with business services organizations for growth, strategic guidance, and exceptional outcomes in disrupted environments Industry focus includes entertainment, communications, and digital marketing |
23 |
| 26 |
Agmanagmanpartners.com
An investment firm with a permanent capital base, partnering with entrepreneurs to build lasting businesses in various industries across the US |
22 |
| 27 |
5th Century Partners5cpartners.com
A purpose-driven private investment firm investing in middle-market companies in healthcare, consumer, and business services to drive sustainable growth |
22 |
| 28 |
Chicago Equity Partners, LLCchicagoequitypartners.com
Multi-asset class investment manager providing tailored equity, fixed income, and alternative investment strategies with $7 billion assets under management |
22 |
| 29 |
CHS Capital LLCchsonline.com
Chicago-based private equity firm with over 25 years of experience investing in the middle market, focusing on accelerating earnings growth and driving value creation through strategic growth activities |
22 |
| 30 |
Schwartz Capital Groupschwartzcap.com
Entrepreneurial investment firm based in Chicago, specializing in asset management, private capital investments in operating businesses and real estate, and growth equity in consumer brands |
18 |
| 31 |
Lotsoff Capital Managementlotsoff.com
A 1981-founded, employee-owned asset management firm offering fixed income, equity, and alternative investment solutions across various capitalization ranges |
17 |
| 32 |
Pritzker Family Foundationspritzkerfoundations.com
Asset management firm focused on managing assets for Pritzker family foundations and related entities, investing globally for highest risk-adjusted returns |
14 |
| 33 |
Gore Creek Asset Managementgorecreekam.com
A company specializing in asset management services to help clients achieve their financial goals and manage their investments effectively |
13 |
| 34 |
Port Capital LLCportcapitalllc.com
Independent asset manager founded in 2015, specializing in value investing with a focus on high-quality businesses Manages US long-only equity strategies for investors |
12 |
| 35 |
Brewer Investment Groupbrewerinvestmentgroup.com
An independent wealth management firm offering a diverse range of financial products, services, and alternative investments to individual investors and businesses |
12 |
| 36 |
Optimum Investment Advisorsoptimuminvestment.com
An independent financial advisory firm offering trusted investment management services to high-net worth individuals, specializing in asset management, financial planning, and wealth management |
12 |
| 37 |
Attain Capital Managementattaincapital.com
Specialized asset management firm offering unique alternative investments globally, focusing on technical trading systems and managed futures programs to outperform traditional portfolios |
11 |
| 38 |
Cane Investment Partnerscaneip.com
Private investment firm providing capital funding, strategic insight, and operational expertise to passionate leaders in various sectors for mid- to long-term investments |
11 |
| 39 |
HCP & Companyhcpcompany.com
Private equity firm investing in high-potential small companies, providing hands-on support to drive growth, professionalize operations, and prepare for exits |
5 |
| 40 |
Rosemary Capital Partners
An investment management partnership specializing in technology and cloud computing, leading the way in diversified investments |
2 |
Turn this list into pipeline
Tamtam finds the decision-makers at every company on a list like this one, with verified emails, phone numbers and the buying signals that tell you when to reach out.
How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Oct 9, 2026.
More company lists in Chicago
- The largest companies in Chicago 1,669
- Financial Services companies in Chicago 152
- SaaS companies in Chicago 126
- Hospitals and Health Care companies in Chicago 96
- Software Development companies in Chicago 89
- IT Services and IT Consulting companies in Chicago 86
- Non-profit Organizations companies in Chicago 65
- Real Estate companies in Chicago 62
- Venture Capital and Private Equity Principals companies in Chicago 54
- Advertising Services companies in Chicago 52
- Higher Education companies in Chicago 50
- Business Consulting and Services companies in Chicago 47
- Food and Beverage Services companies in Chicago 47
- Technology, Information and Internet companies in Chicago 42
- Transportation, Logistics, Supply Chain and Storage companies in Chicago 41
- Insurance companies in Chicago 39
- Law Practice companies in Chicago 34
- AI-native companies in Chicago 26
- Construction companies in Chicago 26
- Hospitality companies in Chicago 26
- Staffing and Recruiting companies in Chicago 25