# Alexander Hardtmuth

> Alexander Hardtmuth is a Series A investor at Entrepreneurs Fund backing Marketing and Advertising. See 1 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Entrepreneurs Fund](https://shizune.co/investors/profile/entrepreneurs-fund)
- Total investments: 1
- Last investment: Mar 2013
- Lead investor: 100%
- Last updated: Aug 2026

Alexander Hardtmuth is a Series A investor at Entrepreneurs Fund focused on Marketing and Advertising. Alexander Hardtmuth - Investment Manager @ Entrepreneurs Fund

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Marketing | 1 | 100% |
| Advertising | 1 | 100% |
| Machine Learning | 1 | 100% |
| Artificial Intelligence | 1 | 100% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Realeyes | Realeyes is a leader in computer vision and emotion AI that empowers companies to create remarkable customer experiences that drive growth. Over 150 leading marketers and publishers like Mars Inc., AT&T, Warner Media and Teads rely on Realeyes to measure human response at the speed and scale of AI. | $3.2M | Series A | Mar 11, 2013 |  |

1 of 1 investments shown.

## Co-investors
- [SmartCap](https://shizune.co/investors/profile/as-smartcap) — VC Fund, 1 deal together
- [Tera Ventures](https://shizune.co/investors/profile/tera-ventures) — VC Fund, 1 deal together

## About Entrepreneurs Fund

VC Fund · London, United Kingdom

Entrepreneurs Fund provides early stage and growth financing alongside active support to entrepreneurial teams. Their current areas of investment focus are Life-sciences, Water, Materials and Automotive Technology.

2 contacts available at Entrepreneurs Fund.

| Name | Title | Profile |
| --- | --- | --- |
| Alexander Hardtmuth | Investment Manager | https://shizune.co/investors/profile/alexander-hardtmuth |
| Dennis Brenninkmeijer | Partner | https://shizune.co/investors/profile/dennis-brenninkmeijer |

## 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 Alexander Hardtmuth invest in?

Alexander Hardtmuth invests primarily in Marketing, Advertising and Machine Learning startups, most often at Series A stage. Most of the 1 investments tracked by Shizune back companies in United Kingdom. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Alexander Hardtmuth last invest?

The most recent investment recorded for Alexander Hardtmuth closed in Mar 2013. Shizune tracks 1 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.

### 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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