Asset Manager

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Dementia Discovery Fund

The Dementia Discovery Fund is a collaboration between charity, industry, and government, based in London, United Kingdom. It has made 36 investments,...

Dementia Discovery Fund

The Dementia Discovery Fund is a collaboration between charity, industry, and government, based in London, United Kingdom. It has made 36 investments, including a Series A investment in Leal Therapeutics on August 26, 2025. The fund has facilitated 3 portfolio exits, with Caraway Therapeutics exiting on November 21, 2023.

General information

Firm type

Asset Manager

Year founded

2015

Location

Region

Europe

Country

United Kingdom

City

London

Corporate office

London, United Kingdom

Additional offices

Amsterdam, Netherlands · Boston, MA, United States

Principals

Angus Grant

CEO

Tetsu Maruyama

Chief Scientific Officer

Sector focus

Digital HealthAI/ML

Frequently asked questions

Who runs investment decisions at the Dementia Discovery Fund?

Angus Grant serves as CEO and leads the investment team, supported by Chief Scientific Officer Tetsu Maruyama. Grant joined in 2021 from a career spanning executive R&D roles at Roche and Celgene. The fund's Investment Committee draws on scientific advisory input from the neuroscience divisions of its pharmaceutical limited partners.

How does the Dementia Discovery Fund source proprietary deal flow?

The fund sources opportunities through the academic neuroscience networks of its LPs' R&D organizations, direct relationships with university technology transfer offices in the UK and US, and referrals from its Scientific Advisory Board. Its pharma backers — including Biogen, Eli Lilly, and Johnson & Johnson — provide visibility into preclinical assets that may be deprioritized internally but viable as standalone ventures.

Is the Dementia Discovery Fund structured as a single family office or does it operate more like a venture firm?

It operates as a specialist venture capital firm. The vehicle was established in 2015 as a public-private partnership, not a family office. Its limited partners include the UK Department of Health and Social Care and seven global pharmaceutical companies, and the fund charges management fees and carried interest on a standard venture capital model.

Does the firm participate in fund commitments or only direct deals?

The Dementia Discovery Fund makes direct equity investments in early-stage biotech and neuroscience companies. It does not operate as a fund-of-funds. Its capital is deployed as lead or co-lead in seed and Series A rounds, with reserves for follow-on investments as programs advance toward clinical proof-of-concept.

How is the Dementia Discovery Fund related to its pharmaceutical limited partners?

The seven pharma LPs — Biogen, Eli Lilly, GSK, Johnson & Johnson, Pfizer, Takeda, and Lundbeck — are passive investors in the fund. They do not control investment decisions, but they provide scientific advisory support and represent potential acquirers or licensing partners for portfolio companies. This creates an information advantage without constraining the fund's independent fiduciary duty.

Which sectors does the Dementia Discovery Fund explicitly avoid?

The fund does not invest outside neurodegenerative disease. It explicitly excludes general CNS indications, oncology, cardiovascular, and platform technologies not directly tied to a dementia therapeutic hypothesis. Within dementia, it avoids pure symptomatic treatments without a disease-modifying mechanism.

What is the fund's known posture on co-investments alongside external GPs?

The Dementia Discovery Fund does co-invest alongside generalist life-science VCs and corporate venture arms. Portfolio company Cerevance, for example, has raised from GV, F-Prime Capital, and the Dementia Discovery Fund in syndicated rounds. The fund's co-investment terms are standard venture-market practice, without preferential rights reserved for its pharma LPs.

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