# Derrick Cui

> Derrick Cui is a pre-seed investor at Big Brain Holdings backing Blockchain and Cryptocurrency. See 1 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Big Brain Holdings](https://shizune.co/investors/profile/big-brain-holdings)
- Location: Berkeley, United States
- Total investments: 1
- Last investment: Dec 2025
- Lead investor: 100%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/derrick-cui/

Derrick Cui is a pre-seed investor at Big Brain Holdings in Berkeley focused on Blockchain and Cryptocurrency. Derrick Cui

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Blockchain | 1 | 100% |
| Cryptocurrency | 1 | 100% |
| Decentralized Finance (DeFi) | 1 | 100% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Haiku | Haiku is a DeFi platform that lets users execute complex multi-chain trades and strategies in simple, optimized transactions. | $1M | Pre-Seed | Dec 04, 2025 |  |

1 of 1 investments shown.

## Co-investors
- [Auros](https://shizune.co/investors/profile/auros-54be) — VC Fund, 1 deal together
- [Daedalus Angel Syndicate](https://shizune.co/investors/profile/daedalus-angel-syndicate) — VC Fund, 1 deal together
- [Firstlight Media](https://shizune.co/investors/profile/firstlight-media) — VC Fund, 1 deal together

## About Big Brain Holdings

VC Fund · Weston, United States

Big Brain Holdings is Focused on Investing in Solana projects that have strong potential.

1 contacts available at Big Brain Holdings.

| Name | Title | Profile |
| --- | --- | --- |
| Derrick Cui | Investment Associate | https://shizune.co/investors/profile/derrick-cui-cui |

## Similar investors

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

## FAQ

### What does Derrick Cui invest in?

Derrick Cui invests primarily in Blockchain, Cryptocurrency and Decentralized Finance (DeFi) startups, most often at Pre-Seed stage. Most of the 1 investments tracked by Shizune back companies in Spain. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Derrick Cui last invest?

The most recent investment recorded for Derrick Cui closed in Dec 2025. 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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