# Guinness Atkinson Asset Management

Guinness Atkinson Asset Management is an Asset Manager based in Pasadena, United Kingdom.

## Overview

- **Organization type:** Asset Manager
- **Headquarters:** Pasadena, United Kingdom
- **Region:** Europe
- **Address:** London, United Kingdom
- **Founded:** 2003
- **Assets under management:** Undisclosed
- **Website:** guinnessatkinson.com
- **LinkedIn:** https://www.linkedin.com/company/guinness-atkinson-asset-management

## Regulatory record

- **CRD number:** 124465
- **SEC file number:** 801-61667
- **Registration status:** Registered
- **Reports private funds:** No
- **IAPD record:** https://adviserinfo.sec.gov/firm/summary/124465

## About

GUINNESS ATKINSON ASSET MANAGEMENT, INC. is an SEC-registered investment adviser in Pasadena, CA, since 2002. The firm manages approximately $344 million in assets. It has 41 employees and 24 investment advisers.

## Sectors

- Energy Transition & Renewables
- ClimateTech

## Offices

- Los Angeles, CA, United States

## People

- Tim Guinness — Co-Founder and Chairman
- Jim Atkinson — Co-Founder

## Questions

### What is the relationship between Guinness Atkinson and the Guinness brewing family?

Tim Guinness, the firm's co-founder and Chairman, is a great-grandson of the founder of the Guinness brewery. His investment career is entirely separate from the brewing business. He was previously a co-founder of Guinness Flight Hambro, an asset manager sold to Investec in 1998, before launching Guinness Atkinson in 2003.

### How does Guinness Atkinson access the energy transition, and what sets its approach apart?

The firm invests exclusively in listed equities through concentrated, high-conviction portfolios of 30 to 40 names. Its Alternative Energy Fund launched in 2006, giving it one of the longest track records in the public-markets energy transition space. The strategy spans renewables, energy storage, grid infrastructure, and efficiency, avoiding private-market or venture-stage exposures common among newer thematic peers.

### What vehicle structures does Guinness Atkinson offer for its strategies?

The firm offers its energy transition strategy through two primary structures: a US mutual fund (the Guinness Atkinson Alternative Energy Fund) and an Irish-domiciled UCITS fund (the Guinness Sustainable Energy Fund). It also manages separate accounts for institutional clients. This dual US-UCITS architecture is unusual for a boutique of its size and gives the strategy distribution reach across North America, Europe, and Asia.

## Related profiles

- [Caldwell Fairfield Advisors](https://altss.com/profile/caldwell-fairfield-advisors)
- [Gilliland Investment Management](https://altss.com/profile/gilliland-investment-management-inc)

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

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