# Quaternion Capital Management

Quaternion Capital Management is a Multi Family Office based in Hong Kong, Hong Kong.

## Overview

- **Organization type:** Multi Family Office
- **Headquarters:** Hong Kong, Hong Kong
- **Region:** Asia
- **Address:** Hong Kong, Hong Kong
- **Founded:** 2011
- **Assets under management:** Undisclosed
- **Website:** quaternioncapital.com
- **LinkedIn:** https://www.linkedin.com/company/quaternion-capital

## Regulatory record

- **Reports private funds:** No

## About

Quaternion Capital Management functions as a multi-family office headquartered in Hong Kong. Marvin Kelly serves as founder, chief executive officer, and portfolio manager. The firm addresses capital preservation, portfolio construction, and cross-generational planning for client families. Investment activity spans hedge funds, private equity, real estate, and infrastructure. Additional focus areas include FinTech, RegTech, and AI/ML applications. Geographic reach covers Asia, Europe, and North America. The firm maintains membership in the Family Office Association Hong Kong. No recent operational events from the last 24 months appear in available records. Team size and additional offices remain undisclosed. A business relationship exists with QuantZ Capital Management through shared leadership channels. The firm operates without public disclosure of assets under management or specific portfolio holdings. Governance and regulatory navigation form core elements of client mandates.

## Sectors

- FinTech
- RegTech
- AI/ML
- Hedge Funds
- Infrastructure
- Private Equity
- Real Estate

## People

- Marvin Kelly — Chief Executive Officer and Portfolio Manager

## Questions

### Who runs investment decisions at Quaternion Capital Management?

Marvin Kelly serves as chief executive officer and portfolio manager. He founded the firm and directs portfolio construction and client mandates.

### What asset classes does Quaternion Capital Management deploy into?

The firm allocates to hedge funds, private equity, real estate, and infrastructure. Technology exposures include FinTech, RegTech, and AI/ML.

### Which regions does Quaternion Capital Management cover?

Investment activity spans Asia, Europe, and North America. The firm is headquartered in Hong Kong.

### Is Quaternion Capital Management a single or multi-family office?

It operates as a multi-family office serving multiple client families with complex needs.

### Does Quaternion Capital Management belong to any professional networks?

The firm is a member of the Family Office Association Hong Kong.

## Related profiles

- [Quartet Private Capital](https://altss.com/profile/quartet-private-capital)
- [Quenic](https://altss.com/profile/quenic)

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Last updated: 2026-06-03T20:00:00.000Z

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