# Castrum Capital

> Castrum Capital is a VC fund in Istanbul backing Blockchain, Web3 and Cryptocurrency. See 64 investments, check sizes, portfolio. Updated Aug 2026.

- Type: VC Fund
- Location: Istanbul, Turkey
- Total investments: 64
- Last investment: Aug 2026
- Lead investor: 13%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/company/castrumistanbul
- X (Twitter): https://twitter.com/castrumistanbul
- Website: https://castrum.capital/

Castrum Capital is a VC fund in Istanbul focused on Blockchain and Web3. We bring the access and innovation to help crypto teams in their journey to the end. Through our components, Castrum Capital creates influence and contributes crypto adaptation. Castrum Capital is here to support you from day-one to global scale impact.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Blockchain | 31 | 48% |
| Web3 | 18 | 28% |
| Cryptocurrency | 18 | 28% |
| Artificial Intelligence | 15 | 23% |
| Gaming | 9 | 14% |

58 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 47 | 73% |
| Funding Round | 6 | 9% |
| Venture - Series Unknown | 4 | 6% |
| Series A | 3 | 5% |
| Pre-Seed | 1 | 2% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 8 | 13% |
| United Kingdom | 6 | 9% |
| United Arab Emirates | 5 | 8% |
| Estonia | 4 | 6% |
| Hong Kong | 3 | 5% |

20 countries tracked in total.

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| ORCA AI Agent | ORCA AI Agent is an AI-powered prediction market infrastructure platform designed to automate cross-platform trading and liquidity provision across decentralized event markets like Polymarket and Kalshi. | $7M | Series A | Aug 08, 2026 |  |
| SwarmBase | SwarmBase acts as a full stack, on chain infrastructure layer designed for deploying and scaling autonomous AI agent swarms. The platform utilizes the audited $SWARM Protocol to give these digital entities a standardized identity, a verifiable trust framework, and automated smart contract capabilities. | $7M | Seed | Jul 17, 2026 |  |
| Traceroot | Traceroot develops AI agents that automatically identify and resolve production bugs by analyzing structured logs and traces. | $3.5M | Seed | Jun 24, 2026 |  |
| Claw Intelligence | Claw Intelligence builds AI tools to analyze data, automate workflows, and support business decision-making. | $3M | Seed | Apr 15, 2026 |  |
| Origins Network. | OriginLab develops Origin and OriginPro, software for data analysis, graphing, and scientific visualization. | $8M | Seed | Mar 23, 2026 |  |
| Beatcoin | BeatSwap is a Web3 music platform that lets creators tokenize, trade, and earn from music rights and royalties. | $5M | Seed | Jan 15, 2026 |  |
| DeepBook AI | Deepbook is a developer of an AI-powered decentralized web browsing platform enabling secure, censorship-resistant access to Web3 resources. | $2M | Seed | Dec 19, 2025 |  |
| Metya | Metya is an innovative dating platform that combines AI with Web3 technologies to offer a new approach to online dating. | $50M | Venture - Series Unknown | Dec 15, 2025 |  |
| AIAV | AIAV is a Platform to train, own, and grow AI Avatars from real conversations. | $4M | Seed | Dec 02, 2025 |  |
| Kyo Finance | Kyo Finance is a decentralized exchange liquidity hub platform, it offers an ease for Defi users. | $5M | Series A | Nov 08, 2025 |  |

10 of 64 investments shown.

## Co-investors
- [Animoca Brands](https://shizune.co/investors/profile/animoca-brands-corporation) — VC Fund, 5 deals together
- [Becker Ventures](https://shizune.co/investors/profile/becker-ventures-1a17) — VC Fund, 5 deals together
- [DuckDAO](https://shizune.co/investors/profile/duckdao) — VC Fund, 5 deals together
- [Alpha Capital](https://shizune.co/investors/profile/alpha-capital-a6e5) — VC Fund, 4 deals together
- [Cogitent Ventures](https://shizune.co/investors/profile/cogitent-ventures) — VC Fund, 4 deals together
- [Coinvestor Ventures](https://shizune.co/investors/profile/coinvestor-ventures) — VC Fund, 4 deals 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 Castrum Capital invest in?

Castrum Capital invests primarily in Blockchain, Web3 and Cryptocurrency startups, most often at Seed and Funding Round stage. Most of the 64 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 Castrum Capital last invest?

The most recent investment recorded for Castrum Capital closed in Aug 2026. Shizune tracks 64 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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