# Marius Barnett

> Marius Barnett is a seed investor at Karatage backing FinTech and Cryptocurrency. See 2 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Karatage](https://shizune.co/investors/profile/karatage)
- Total investments: 2
- Last investment: May 2026
- Lead investor: 50%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/marius-barnett-152836252/
- Website: https://karatage.io

Marius Barnett is a seed investor at Karatage focused on FinTech and Cryptocurrency. Marius Barnett

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| FinTech | 1 | 50% |
| Cryptocurrency | 1 | 50% |
| Artificial Intelligence | 1 | 50% |

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 1 | 50% |
| Series B | 1 | 50% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Nof1 | Nof1 is an AI research lab focused on financial markets.Nof1 is training models from scratch using frontier AI techniques to launch the era of agent-based investing. | $15M | Seed | May 15, 2026 |  |
| Talos | Talos Trading is an institutional technology infrastructure provider that connects all crypto ecosystem participants to support a full trading lifecycle. Talos Trading is based in New York, NY and was co-founded by Anton Katz and Ethan Feldman in 2018. | $45M | Series B | Jan 29, 2026 |  |

2 of 2 investments shown.

## Co-investors
- [a16z crypto](https://shizune.co/investors/profile/a16z-crypto) — VC Fund, 1 deal together
- [BNY](https://shizune.co/investors/profile/bny) — VC Fund, 1 deal together
- [Fidelity](https://shizune.co/investors/profile/fidelity-investments) — VC Fund, 1 deal together
- [IMC Trading](https://shizune.co/investors/profile/imc-financial-markets) — VC Fund, 1 deal together
- [QCP](https://shizune.co/investors/profile/qcp-ab39) — VC Fund, 1 deal together
- [Robinhood](https://shizune.co/investors/profile/robinhood) — VC Fund, 1 deal together

## About Karatage

VC Fund · London, United Kingdom

Karatage is an investment firm.

3 contacts available at Karatage.

| Name | Title | Profile |
| --- | --- | --- |
| Marius Barnett | CEO | https://shizune.co/investors/profile/marius-barnett |
| Stephen Mackintosh | CEO | https://shizune.co/investors/profile/stephen-mackintosh |
| Vincent Rong | Investor | https://shizune.co/investors/profile/vincent-rong |

## 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 Marius Barnett invest in?

Marius Barnett invests primarily in FinTech, Cryptocurrency and Artificial Intelligence startups, most often at Seed and Series B 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.

### When did Marius Barnett last invest?

The most recent investment recorded for Marius Barnett closed in May 2026. Shizune tracks 2 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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