Best Private Equity Funds Companies in Illinois, United States
The 307 best Private Equity Funds companies in Illinois, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Sun Haven Partners.
Ranked: Best Private Equity Funds companies in Illinois
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | Sun Haven Partners Private equity investment firm | $600K | 22 mo ago | Seed | Conrado Oliveira Founder & Principal | 2024 | — | — |
| 2 | MDP Private equity firm investing in middle-market companies across diverse sectors | — | 201 mo ago | Funding Raised | Robin Selati Co-Founder & Senior Advisor | 1992 | RubyRuby on RailsApache HTTP Server+12 | 2 job openings |
| 3 | (312) Investments Private equity & debt firm focused on multiple sectors | — | — | Unfunded | Jim Hofmockel Founder & Managing Partner | 2007 | — | — |
| 4 | 1st & Main Provider of a private equity investment firm | — | — | Unfunded | Charles Moore Founder & President | 1986 | — | — |
| 5 | 2x Consumer Products Growth Partners PE firm investing in the US | — | — | Unfunded | Sharon Kieffer Managing Partner | 2008 | — | — |
| 6 | 4S Bay Partners Single-family office focused on private equity | — | — | Unfunded | Megan McKenna Director | 2015 | — | — |
| 7 | 50 South Capital Multi-strategy focused hedge fund & PE | — | — | Unfunded | Robert Morgan Managing Director & Senior Vice President | 2000 | — | — |
| 8 | 5th Century Partners Private equity fund focused on lower middle-market companies | — | — | Unfunded | Jessica Patton Co-Founder and Managing Director | 2021 | — | — |
Top 2 Private Equity Funds companies in Illinois
#1
Seed · Chicago, Illinois · founded 2024$600Kraised▾
Private equity investment firm. It seeks to find, acquire, and operate one high-quality business. It prioritize transparency, fairness, and flexibility, offering tailored solutions that align with your succession goals and allow you to transition into the next phase of your life with confidence.
- Aug 2024Seed$600K
#2
Funding Raised · Chicago, Illinois · founded 1992 · 91 employees—raised▾
Private equity firm investing in middle-market companies across diverse sectors. The firm focuses on control buyouts and growth equity investments, partnering with management teams to grow businesses. With a sector-focused approach, they bring industry expertise to basic industries, financial services, healthcare, and technology & government. They actively support social causes and give back to the community through partnerships and charitable organizations. The firm offers resources and a flexible approach to benefit partners and investors, fostering a distinctive culture of collaboration and long-term value creation. They are reliable partners with a proven history of success.
- Sep 2009Grant (prize money)—
Funding & investor landscape
Market landscape — 10 sub-themes by coverage
Share of Private Equity Funds coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
Common questions
Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.