# Hamilton Investment Partners

> Hamilton Investment Partners is a VC fund backing Internet and Marketing. See 2 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: VC Fund
- Location: New York, United States
- Total investments: 2
- Last investment: Jun 2012
- Lead investor: 0%
- Last updated: Aug 2026
- Website: http://www.hamiltoninvestment.com

Hamilton Investment Partners is a VC fund in New York focused on Internet and Marketing. Hamilton is a private investment firm that makes equity investments in partnership with superior management teams, focusing primarily on small and middle market buyouts and growth capital financings. Following each investment, Hamilton intends to play an active role on the board of directors in guiding the company and developing its expansion andexit strategies. Together, the firm's partners have completed more than 40 financings over the past 25 years.

## Contacts

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

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Internet | 1 | 50% |
| Marketing | 1 | 50% |
| Advertising | 1 | 50% |
| Social Media | 1 | 50% |
| Digital Media | 1 | 50% |

6 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series A | 1 | 50% |
| Funding Round | 1 | 50% |

## Team

| Name | Title | Investments | Profile |
| --- | --- | --- | --- |
| Douglas A. P. Hamilton | Co-Founder and Managing Partner | 0 | https://shizune.co/investors/profile/douglas-a-p-hamilton |
| Brian M. Fenty | Managing Director | 0 | https://shizune.co/investors/profile/brian-m-fenty |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Loosecubes | Loosecubes is a community marketplace for workspace. It connects members with an empty desk, studio or sofa with other members who need a productive and inspiring place to work. Whether you are looking for coworking companions by the day or longer term studiomates by the month, Loosecubes makes it easy to find the right people to share your workdaywith. | $7.8M | Series A | Jun 05, 2012 |  |
| DoublePositive | DoublePositive is a performance-based online marketing company serving lead buyers, lead sellers, and direct response advertisers. With headquarters in Baltimore and satellite offices in Tempe, the company is an industry leader in online search and display, mobile payper- call, lead generation, and telephone transfers. | $4M |  | Nov 15, 2007 |  |

2 of 2 investments shown.

## Co-investors
- [Accel](https://shizune.co/investors/profile/accel) — VC Fund, 1 deal together
- [Battery Ventures](https://shizune.co/investors/profile/battery-ventures) — VC Fund, 1 deal together
- [New Enterprise Associates](https://shizune.co/investors/profile/new-enterprise-associates) — VC Fund, 1 deal together
- [Revolution](https://shizune.co/investors/profile/revolution) — VC Fund, 1 deal together
- [SLATE CAPITAL GROUP](https://shizune.co/investors/profile/slate-capital-group) — VC Fund, 1 deal together
- [Southern Capitol Ventures](https://shizune.co/investors/profile/southern-capitol-ventures) — 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
- [General Catalyst](https://shizune.co/investors/profile/general-catalyst-partners) — VC Fund

## FAQ

### What does Hamilton Investment Partners invest in?

Hamilton Investment Partners invests primarily in Internet, Marketing and Advertising startups, most often at Series A and Funding Round stage. Most of the 2 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 Hamilton Investment Partners?

Public channels for Hamilton Investment Partners include 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 Hamilton Investment Partners?

The team at Hamilton Investment Partners includes Douglas A. P. Hamilton (Co-Founder and Managing Partner) and Brian M. Fenty (Managing Director). 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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