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Slater Investments
Slater Investments was founded in 1994 by Mark Slater, extending the investment principles of his father, Jim Slater, a prominent figure in UK asset...
Slater Investments
Slater Investments was founded in 1994 by Mark Slater, extending the investment principles of his father, Jim Slater, a prominent figure in UK asset management known for the Zulu Principle. The firm remains an independent, owner-managed boutique in London, centered on a fundamental belief in equity investment driven by earnings growth, strong cash flow, and undervaluation. Unlike multi-asset aggregators, Slater has stayed narrowly focused on listed UK equities, resisting pressure to broaden into fixed income or alternatives. The firm runs concentrated portfolios across UK All-Company and smaller-company strategies, including the flagship Slater Growth Fund and the Slater Recovery Fund, alongside institutional segregated mandates. Its investment process systematically screens for cash generation, earnings momentum, and relative valuation anomalies, with a self-imposed discipline around low portfolio turnover and high active share. Sector exposures have historically tilted toward technology, media, and consumer cyclicals where growth visibility is strongest. Holdings have included longstanding positions in companies such as Future plc and Games Workshop Group, reflecting a willingness to hold winners as they compound. Slater manages its strategies through a compact team of investment professionals working from a single London office. Mark Slater continues to lead investment decisions as CIO, supported by Managing Director Ralph Baber. The firm prioritizes deep fundamental research and direct management access over quantitative breadth. While AUM has not been publicly stated, its concentrated approach and capacity sensitivity suggest a deliberate strategy of limiting scale to preserve stock-picking edge. Slater Investments occupies a structural niche that has become increasingly rare in UK fund management: a genuinely independent, founder-led partnership with no parent entity, no distribution network, and no ambition to become an aggregator. Decisions are made by the investment team without deference to a corporate parent or a retail platform's product calendar. The firm's ongoing independence, despite consolidation waves that absorbed many of its peers, stands as its most enduring differentiator.
General information
Firm type
Asset Manager
Year founded
1994
AUM
Undisclosed
Location
Region
Europe
Country
United Kingdom
City
London
Corporate office
London, United Kingdom
Principals
Mark Slater
Chairman and Chief Investment Officer
Ralph Baber
Managing Director
Sector focus
Frequently asked questions
Who runs investment decisions at Slater Investments?
Mark Slater, who co-founded the firm in 1994, serves as Chairman and Chief Investment Officer and has ultimate authority over investment decisions across all strategies. He is supported by Managing Director Ralph Baber and a compact team of investment professionals who contribute deeply researched ideas. The hierarchy is flat by design: portfolio managers are also analysts, and there is no separate research department generating ideas that fund managers may ignore.
What is the Zulu Principle, and does it still guide the firm's process?
The Zulu Principle — popularized by Jim Slater in his 1992 book — argues that an investor can gain a durable edge by focusing on a narrow, deeply understood area of the market. Slater Investments applies this through a disciplined, repeatable screen that narrows the investable universe to companies demonstrating earnings growth, cash conversion, and relative value, then applies bottom-up fundamental analysis to a concentrated final portfolio. The firm contends that this narrow-aperture approach remains its core advantage over broader, benchmark-hugging UK equity funds.
Does Slater Investments manage any funds outside of UK equities?
No. The firm's strategies are confined to listed UK equities, spanning the market-cap spectrum from a growth-oriented all-companies fund to a smaller-company recovery mandate. Slater has not launched bond, property, or multi-asset funds, nor has it expanded into private markets. This deliberate single-geography, single-asset focus is intrinsic to its brand and investment process.
What is Slater's posture on portfolio concentration?
Slater typically runs concentrated portfolios — the flagship Slater Growth Fund often holds between 30 and 50 stocks — with high active share relative to the FTSE All-Share Index. The firm believes that conviction-weighted positions, rather than diversification for its own sake, drive long-term outperformance. It has historically held multi-year positions in compounders such as Games Workshop and Future plc, reflecting a low-turnover philosophy.
How is Slater Investments structured, and who owns it?
Slater Investments is a privately held, owner-managed partnership. Mark Slater and fellow directors hold the equity, with no external corporate parent, private equity backing, or platform roll-up. This structure insulates the investment team from asset-gathering targets or product-launch mandates imposed by an outside owner, a distinction that has allowed the firm to remain capacity-disciplined and philosophically consistent through multiple market cycles.
Does Slater participate in institutional or retail mandates, or both?
The firm serves both audiences: it operates several open-ended funds available to UK retail investors, including the Slater Growth Fund and Slater Recovery Fund, while also managing segregated institutional mandates for pensions, family offices, and wealth managers. Institutional clients can negotiate bespoke fee structures and investment guidelines, though all portfolios draw from the same central research and investment committee.
What is Mark Slater's public-market posture during dislocations?
Mark Slater has historically used severe market dislocations to deploy capital into mispriced growth companies, most notably during the 2008–2009 financial crisis and the 2020 pandemic drawdown. In contrast, during the 2022–2023 rate-hiking cycle, he publicly disclosed maintaining elevated cash levels, arguing that tightening monetary conditions had not yet been fully reflected in UK small- and mid-cap valuations (per The Times, May 2023). This pragmatic liquidity management — aggressive when prices overcorrect, cautious when headwinds persist — is central to the fund's capital-preservation discipline.
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