RBF Capital

What RBF Capital does

RBF Capital, LLC is a private, boutique asset management firm founded in 1996 that operates as a family office managing permanent long-term capital. The firm employs proprietary rulesets and internally developed systems to actively invest in public companies, exploiting market inefficiencies on both the long side (focusing on the intersection of value, quality, and business momentum) and the short side (focusing on flawed business models, dubious accounting, and overhyped concept stocks). Over its 25+ year history, the firm claims investment returns have significantly exceeded the S&P 500. The firm transitioned from a hedge fund structure to a private family office in 2012 and relocated its headquarters from San Francisco, CA to Reno, NV (299 S. Arlington Avenue). Customer segments include family offices, high-net-worth individuals, and institutional investors served through direct relationships; the firm operates with no retail distribution and minimal marketing activity, relying on its track record for capital retention and acquisition.

The firm is currently building an internal Quantitative AI Platform to systematize its investment methodology. This platform features a data lake processing market data, SEC filings, and alternative data sources, with ML analytics and natural language interfaces for retrieval. Technical components include RAG architectures, LLM orchestration, multi-agent frameworks (LangChain, LangGraph, CrewAI), vector databases (Pinecone, Weaviate, Milvus), time-series forecasting, gradient-boosting models, and NLP pipelines for unstructured financial text. Active job postings for a Lead AI Platform Engineer (6+ years ML platform experience required) and a Financial Engineer indicate the firm is hiring 3-5 specialists to build out this capability.

RBF Capital's business model centers on investment returns from managing permanent capital rather than scaling external AUM. Compensation includes base salary plus participation in fund performance, aligning employee incentives with investment outcomes. The firm is independently held with no parent company, external VC/PE backing, or public listing, and offers no external products or services beyond its asset management activities. Richard Fullerton serves as Founder, General Partner, and President.

Name

RBF Capital

Legal name

RBF Capital, LLC

Website

https://rbfcapital.com

Company type

Private

Founded year

1996

Operating status

Operating

Headcount range

1–10 employees

Short description

RBF Capital is a private, boutique asset management firm founded in 1996 that operates as a family office managing permanent long-term capital in public equities via proprietary long/short rulesets. It is building an internal AI/ML platform to systematize its 25+ year investment methodology.

Ownership category

akta.pro rank

Product category

Long-Short Equity Asset Management

NAICS

Portfolio Management and Investment Advice (52394)

SIC

Investment Advice (6282)

akta.pro primary industry

Fundamental/Discretionary Equity Long/Short (FSAHAAAA)

akta.pro secondary industry

Market-Neutral Equity Long/Short (FSAHAAAD)

Keywords

• Long short equity
• Asset management
• Quantitative investing
• Family office
• Systematic investing

Headquarters

HQ city

San Francisco

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Asset Management Fees: Traditional hedge fund/family office revenue model based on assets under management. As a private family office, the firm generates returns through investment management of permanent long-term capital.
2. Fund Performance Participation: Employees receive participation in fund performance in addition to base salary. This aligns employee incentives with investment outcomes.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels1 record

Core offering

RBF Capital, LLC is a private boutique asset management firm that operates a proprietary long/short equity strategy in U.S. public markets, using internally developed rulesets to go long companies at the intersection of value, quality, and business momentum and to short flawed business models, dubious accounting, and overhyped concept stocks. Since 2012 it has functioned as a private family office managing permanent long-term capital rather than raising external AUM, and it is building an internal Quantitative AI Platform to systematize its investment methodology.

Product overview

RBF Capital is a private, boutique asset management firm that does not offer external products or services. The company operates proprietary investment strategies using internally developed systems. RBF Capital is currently building an internal Quantitative AI Platform to systematize their investment methodology, process market data and SEC filings, and enable AI/ML-powered investment decision-making.

Differentiator

Problem solved

Functional benefit

Products and services

• Proprietary Long/Short Equity Investment Strategy A quantamental long/short strategy that invests in U.S. public equities using internally developed rulesets — long positions at the intersection of value, quality, and business momentum, and short positions targeting flawed business models, dubious accounting, and overhyped concept stocks. Historically offered to family offices, high-net-worth individuals, and institutional investors; since 2012 it has been applied primarily to the firm's own permanent family-office capital.
• Internal Quantitative AI Platform Internally developed data-lake and AI/ML platform being built by RBF Capital to systematize its long/short investment methodology, ingest market data, SEC filings, and alternative data sources, and expose natural-language and ML-driven analytics to the firm's investment professionals.

Quantifiable outcome

• Investment returns significantly exceeding the S&P 500 over 25+ years

Segments1 record

Ideal customer profiles1 record

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability7 records

Feature5 records

Scale indicators3 records

Recent moves6 records

Expansion highlights4 records

Broad incumbents

• Citadel (Citadel LLC): One of the largest multi-strategy hedge funds with a major equities business; comparable as a fundamentally driven L/S equity investor with a heavy data/tech infrastructure focus, though vastly larger and more diversified than RBF.
• Two Sigma Investments: Tech-driven systematic and discretionary asset manager using AI/ML and alternative data at scale; closely aligned with RBF's quantamental approach and AI platform buildout, but at institutional scale.
• Renaissance Technologies: Pre-eminent quantitative hedge fund pioneering systematic factor models, alternative data, and ML in public equity markets — the upper-bound reference point for any data-driven L/S equity firm.
• D. E. Shaw & Co. Quantitative and computational finance pioneer running systematic L/S equity and multi-strategy products; relevant peer because of its quantitative roots and ongoing investment in ML/compute infrastructure similar to RBF's platform build.
• Millennium Management: Multi-strategy hedge fund pod shop with significant equities exposure; relevant as the dominant institutional scale model for systematic fundamental long/short equity pods that RBF aspires to systematize.

Direct peers

• AQR Capital Management: Systematic factor-driven equity manager using value, quality, and momentum factors in long/short public equity strategies — a direct analog to RBF's stated ruleset methodology.
• Baupost Group: Long-term oriented value/quality L/S equity manager that historically managed primarily outside capital; the structural similarity as a long-duration concentrated portfolio manager makes Baupost a useful comparable to RBF.
• Greenlight Capital: Concentrated, fundamentally driven long/short equity fund focused on uncovering flawed business models — directly overlapping with RBF's short-side emphasis on dubious accounting and concept stocks.
• Pershing Square Capital Management: Concentrated, long-biased fundamental L/S equity manager with direct principal involvement; similar in being small-team and decision-nimble though more concentrated than RBF.
• Lone Pine Capital: Boutique fundamental L/S equity manager pursuing high-conviction long positions and short ideas with deep fundamental research — a strong comparable to RBF's boutique quantamental model.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/rbf-capital-llc

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

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 RBF Capital