Duncan MacInnes CFA in

Duncan MacInnes CFA

Examiner · DISC type cs
Investment Manager at Aberforth Partners LLP
📍 Edinburgh, Scotland, United Kingdom

Duncan is an Investment Manager at Aberforth Partners, specializing in UK smaller companies with a value investing approach. He is a CFA Charterholder with a law degree from Glasgow University. He was previously a partner at Ruffer for nearly 13 years, where he co-managed the Ruffer Investment Company.

Outside of work, Duncans job is his primary hobby, and he enjoys reading annual reports on weekends. He is a father to three daughters and an avid follower of "fintwit" (Financial Twitter), particularly crypto-related discussions, which he views as a source of unconventional investment ideas.

He has publicly staked his career on the belief that UK smaller companies are the "most attractively mispriced asset class in the world. "

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Experience
3 Years
Current Role
Investment Manager
Job Level
Middle
Location
Edinburgh, Scotland, United Kingdom
Personality Overview

How Duncan shows up

Process Oriented
Unexpressive
Status Quo Seeker

Being observant comes to them naturally. They are heavily focused on quality and prefer doing things the right way, even if it takes time. They are always well-planned and adopt a systematic approach.

Priorities

Topics Duncan cares about

UK Small Caps
His current and exclusive professional focus at Aberforth. He believes this is the most compelling investment opportunity globally and has staked his career on it.
Value Investing
This is the core, hands-on investment philosophy of his firm, Aberforth Partners, and a subject he studied at Columbia University.
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Career

Work history

9-2025
Investment Manager
Aberforth Partners LLP
9-2021 - 3-2025
Senior Fund Manager & Partner
Ruffer
Ruffer LLP
9 yrs 2 mos
Barclays Wealth
4 yrs 2 mos
In the press

Media appearances

Episode 196: Duncan MacInnes of Ruffer: The Art of Mini-Max Regret. Featured in Apple Podcasts
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Education
2017 - 2017
Executive Education
Columbia Business School
2003 - 2007
LLB (Hons)
University of Glasgow
Education details unavailable
The High School of Glasgow
Social presence
in
Behavioral profile

DISC profile (public)

c

Calculativeness (C)

Calculativeness (C) reflects the degree to which a person is likely to be cautious, systematic and analytical. Those scoring high tend to emphasise quality and accuracy.

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