# Middleton Partners

> Middleton Partners is a VC fund backing Auctions and Online Auctions. See 1 investment, round sizes, portfolio and contact details. Updated Aug 2026.

- Type: VC Fund
- Location: Northbrook, United States
- Total investments: 1
- Last investment: Apr 2024
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/company/middletonpartners/
- Website: https://www.middletonpartners.net/

Middleton Partners is a private equity firm specializing in the real estate lower middle-market operating businesses. The firm invests in real estate assets in addition to operating businesses in the lower middle-market focused on manufacturing, distribution, and service. It balances the risk and return of every opportunity with extensive duediligence, and its strong investor base allows the firm to quickly deploy capital as opportunities arise. Middleton is not a fund, and therefore, is not constrained by a fixed investment mandate or time horizon.It was founded in 2001 and is headquartered in Northbrook, Illinois.

## Contacts

5 contacts available for Middleton Partners. Shizune tracks 2 team members at Middleton Partners. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-team-emails/middleton-partners?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Auctions | 1 | 100% |
| Online Auctions | 1 | 100% |
| Wine And Spirits | 1 | 100% |

## Team

| Name | Title | Investments | Profile |
| --- | --- | --- | --- |
| Keith Jaffee | Co-Founder | 0 | — |
| Mitchel Greenberg | Principal | 0 | — |

## Investments

| Company | Description | Round size | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Unicorn Auctions | Unicorn Auctions offers rare spirits auctions to buyers, sellers, and collectors. They provide ios and android apps in addition to their web bidding platform for digital auctions. To ensure examination of every asset listed, they must take physical possession of their items. | $5.8M | Seed | Apr 30, 2024 |  |

1 of 1 investments shown.

## Co-investors
- [640 Oxford](https://shizune.co/investors/profile/640-oxford-ventures) — VC Fund, 1 deal together
- [Blue Equity](https://shizune.co/investors/profile/blue-equity) — VC Fund, 1 deal together
- [Protagonist](https://shizune.co/investors/profile/protagonist-27b9) — VC Fund, 1 deal together

## Similar investors

### Similar stage
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund
- [Right Side Capital Management](https://shizune.co/investors/profile/right-side-capital-management) — VC Fund

## FAQ

### What does Middleton Partners invest in?

Middleton Partners invests primarily in Auctions, Online Auctions and Wine And Spirits startups, most often at Seed stage. Most of the 1 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### How do I contact Middleton Partners?

Public channels for Middleton Partners include LinkedIn and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.

### Who are the partners at Middleton Partners?

The team at Middleton Partners includes Keith Jaffee (Co-Founder) and Mitchel Greenberg (Principal). The Team section lists each member with their title, investment count and links.

### Is Shizune's investor data accurate?

Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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