What Marble Bar Asset Management does

Marble Bar Asset Management LLP is a London-based alternative investment manager founded in 2002 that specializes in equity strategies for institutional and high-net-worth investors. The firm is authorized and regulated by the UK Financial Conduct Authority (FCA) and operates a multi-PM platform model, hosting both a flagship Long/Short Multi-PM Equity Market Neutral fund and four partner firms (Elephant Asset Management, Navat Capital Management, Lexcor Capital, and Velox Capital Partners) that each run distinct alternative equity strategies. The platform's stated investment pillars are committed talent, empowering technology (bespoke trading technology, behavioral insights, performance analytics), and a collaborative learning culture aimed at generating alpha-driven, uncorrelated absolute returns with low volatility.

The firm's core technology is an integrated platform that gives portfolio managers insight into their investment behavior and enables codification of learnings into disciplined, repeatable processes. This proprietary technology stack is not commercially available and is shared exclusively across Marble Bar's own strategies and its partner firms. The platform spans European-focused long/short equity, European small/mid-cap, European ESG-integrated market neutral, and emerging markets (Asia/Africa) small/mid-cap strategies. Compliance infrastructure includes FCA authorization, GDPR, CCPA, UK Stewardship Code disclosures, and partial SFDR alignment.

Marble Bar generates revenue through investment management fees on its alternative equity funds, following institutional-grade fee structures comprising management fees and performance fees (carried interest). Distribution is conducted via direct institutional sales targeting enterprise-level sophisticated investors globally, with no disclosed retail or intermediary channels. The firm is led by Chairman and Founding Partner Hilton Nathanson and CEO Mike Diiorio, with a headcount of 11-50 employees. The company is privately held by its partners with no disclosed external institutional or private equity ownership.

Name

Marble Bar Asset Management

Legal name

Marble Bar Asset Management LLP

Website

https://marblebar.com

Company type

Private

Founded year

2002

Operating status

Operating

Headcount range

11–50 employees

Short description

Marble Bar Asset Management is a London-based FCA-regulated alternative investment manager (founded 2002) operating a multi-PM platform that runs a long/short equity market neutral fund and hosts four partner firms offering diversified alternative equity strategies to institutional and high-net-worth investors.

Ownership category

akta.pro rank

Product category

Alternative Investment Management

NAICS

Portfolio Management and Investment Advice (523940)

SIC

Investment Advice (6282)

akta.pro primary industry

Small-Cap Equity (Active) (FSAAAIAC)

akta.pro secondary industries

Large-Cap Equity (Active) (FSAAAIAA), Target-Risk / Risk-Profile Model Portfolios (FSAAAJAD)

Keywords

• Alternative investment management
• Equity market neutral
• Long short equity
• Portfolio management platform
• ESG integrated investing

Headquarters

HQ city

London

HQ country

United Kingdom

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Technology or R&D, Operations, Marketing or Sales, Others

Revenue model

1. Investment Management Fees: Marble Bar generates revenue through investment management fees charged to investors in its alternative equity funds. The firm offers a long/short multi-PM equity market neutral approach and partners with other investment managers who operate strategies on its platform.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels1 record

Core offering

Marble Bar Asset Management is an alternative investment fund manager that offers a diversified selection of alternative equity strategies, anchored by a European focused long/short multi-PM equity market neutral fund, and complemented by equity strategies operated by partner firms on its platform (Elephant, Navat, Lexcor, and Velox). Portfolio managers are supported by bespoke trading technology, behavioral insights, and performance analytics designed to enable disciplined, repeatable investment processes targeting alpha-driven, uncorrelated absolute returns with low volatility.

Product overview

Marble Bar Asset Management is an alternative investment management firm offering a diversified selection of alternative equity strategies through both its core platform and partner firms. The core offering is the Long/Short Multi-PM Equity Market Neutral strategy, which provides portfolio managers with bespoke trading technology, behavioural insights, and performance analytics. Additionally, the platform supports four partner firms—Elephant Asset Management (London) LLP, Navat Capital Management LLC, Lexcor Capital LLP, and Velox Capital Partners LLP—each operating distinct equity strategies that leverage Marble Bar's trading technology and infrastructure. The ecosystem includes strategies ranging from long-only emerging markets to long/short European equity approaches with varying ESG integration levels.

Differentiator

Problem solved

Functional benefit

Products and services

• Long/Short Multi-PM Equity Market Neutral
• Elephant Asset Management (London) LLP — Long-only Emerging Markets Small/Mid-Cap Equity Long-only emerging markets small/mid-cap equity strategy operated by partner firm Elephant Asset Management (London) LLP on Marble Bar's platform. Employs a deeply fundamental ESG integrated investment approach defined by on-the-ground due diligence of early-stage businesses in Asia and Africa, focusing on a small number of off-benchmark names building sustainable moats.
• Navat Capital Management LLC — Long/Short European Small & Mid-Cap Equity (Low Net) Long/short European small & mid-cap equity strategy with low net exposure, operated by partner firm Navat Capital Management LLC on Marble Bar's platform. Employs a high-conviction fundamental equity approach with primary focus on small/mid-cap investments across Europe.
• Lexcor Capital LLP — European Focused Equity Strategy European focused equity strategy operated by partner firm Lexcor Capital LLP on Marble Bar's platform, with additional potential returns from opportunistic investments.
• Velox Capital Partners LLP — Long/Short European ESG Integrated Equity Market Neutral Long/short European ESG integrated equity market neutral strategy operated by partner firm Velox Capital Partners LLP on Marble Bar's platform. Integrates technicals, fundamentals, ESG, sentiment and catalysts to identify repeatable patterns of market behaviour within controlled risk disciplines, with capital preservation and uncorrelated returns as key objectives.

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Four partnerships are on record, tiered core.

• Elephant Asset Management (London) LLPcoreStrategic or Co-development PartnerElephant Asset Management operates a long-only emerging markets small/mid-cap equity strategy on Marble Bar's platform. They employ a deeply fundamental ESG integrated investment approach defined by on-the-ground due diligence of early-stage businesses in Asia and Africa. The firm focuses on investment opportunities in a small number of off-benchmark names building sustainable moats.
• Navat Capital Management LLCcoreStrategic or Co-development PartnerNavat Capital Management operates a long/short European small & mid-cap equity strategy with low net exposure on Marble Bar's platform. They employ a high-conviction fundamental equity approach with primary focus on small/mid-cap investments across Europe.
• Lexcor Capital LLPcoreStrategic or Co-development PartnerLexcor Capital operates a European focused equity strategy with additional potential returns from opportunistic investments on Marble Bar's platform.
• Velox Capital Partners LLPcoreStrategic or Co-development PartnerVelox Capital Partners operates a long/short European ESG integrated equity market neutral strategy on Marble Bar's platform. Their core investment process integrates technicals, fundamentals, ESG, sentiment and catalysts to identify repeatable patterns of market behaviour within controlled risk disciplines. Capital preservation and uncorrelated returns are key objectives.

Scale indicators2 records

Recent moves5 records

Expansion highlights5 records

Direct peers

• BlueCrest Capital Management: London-based discretionary multi-strategy hedge fund manager combining systematic and fundamental approaches. Highly comparable to Marble Bar as another UK-headquartered multi-PM alt equity platform.
• Rokos Capital Management: London-based alternative asset manager operating a multi-PM model across discretionary macro and equity strategies. Comparable boutique-scale UK alt manager with a similar platform-style construct.
• GSA Capital Partners: UK-based multi-strategy hedge fund manager with systematic and fundamental equity strategies. Matches Marble Bar on UK domicile, multi-strategy equity orientation, and similar boutique scale.
• Capula Investment Management: London-based alternative asset manager focused on relative value and macro strategies with fixed-income and equity exposure. Comparable UK alt manager serving institutional and HNW clients via direct sales.
• Brevan Howard Asset Management: London-headquartered alternative asset manager running global macro and multi-strategy mandates. Comparable on UK domicile and discretionary alternative equity/relative-value emphasis.
• Wadhwani Asset Management: London-based boutique managing long/short equity and event-driven strategies for institutional clients. Comparable on UK base, equity-focused alt mandates, and similar boutique scale.
• LMR Partners: London-headquartered multi-strategy hedge fund manager operating across equity and macro strategies. Comparable on UK base, multi-PM construct, and institutional client focus.

Broad incumbents

• Man Group: Global alternative investment manager with quantitative (AHL) and discretionary alternative equity strategies. Comparable technology-led, multi-strategy alt equity platform operating at much larger scale.
• GAM Holdings: Swiss-listed asset manager offering absolute return and alternative equity strategies alongside traditional mandates. Overlaps Marble Bar on alternative equity fund offerings and institutional channel.

Emerging players

• Systematica Investments: Boutique systematic investment manager running technology-driven equity market-neutral and multi-strategy products. Comparable on the intersection of proprietary trading technology and equity market neutral mandates.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights5 records

Customer concentration

Compliance5 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Subsidiaries4 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Marble Bar Asset Management