Insights

Growth potential RLB Holdings operates in the venture capital and private equity space with a revenue range of 1M to 10M, suggesting a lean, growth-focused portfolio approach ripe for strategic partnerships, co-investments, or secondary fundraising opportunities with larger allocators.

Emerging biotech focus Publicly highlighted pursuit of next-generation immunotherapies indicates a specialized biotech investment thesis. This creates potential collaboration or deal-sourcing opportunities with biotech service providers, contract research organizations, and tech-enabled drug discovery platforms.

Founding leadership Co-led by founders Ray and Lydia Bartoszek, small team size implies agile decision-making and a preference for selective, high-impact engagements. This can be leveraged for targeted outreach emphasizing tailor-made solutions and fast onboarding.

Tech footprint Technology stack features common web and data tools (WordPress, MySQL, Bootstrap, Apache) which suggests potential partnerships around portfolio analytics, investor relations platforms, or digital marketing enhancements to boost dealflow and reporting.

Investor ecosystem fit As a venture and PE principal firm with revenue in the lower-mid range, RLB Holdings sits among mid-sized allocators that may be receptive to strategic co-investments, fund-of-funds collaborations, or technology-enabled operating partner services aligned with their growth mandates.

Similar companies to RLB Holdings, LLC

RLB Holdings, LLC Tech Stack

RLB Holdings, LLC uses 8 technology products and services including RSS, WordPress, MySQL, and more. Explore RLB Holdings, LLC's tech stack below.

  • RSS
    Content Management System
  • Content Management System
  • MySQL
    Database
  • Font Awesome
    Font Scripts
  • Swiper
    Javascript Libraries
  • Really Simple Discovery
    Miscellaneous
  • Bootstrap
    UI Frameworks
  • Apache HTTP Server
    Web Servers

RLB Holdings, LLC's Email Address Formats

RLB Holdings, LLC uses at least 1 email format:
RLB Holdings, LLC Email FormatsExamplePercentage
First@rlb-holdings.comJohn@rlb-holdings.com
100%

Frequently Asked Questions

What is RLB Holdings, LLC's phone number?

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You can contact RLB Holdings, LLC's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is RLB Holdings, LLC's official website and social media links?

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RLB Holdings, LLC's official website is rlb-holdings.com and has social profiles on LinkedIn.

How much revenue does RLB Holdings, LLC generate?

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As of September 2026, RLB Holdings, LLC's annual revenue is estimated to be $1M - $10M.

What is RLB Holdings, LLC's SIC code and NAICS code?

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RLB Holdings, LLC's SIC code is 6371 - Pension, Health, and Welfare Funds and NAICS code is 52391 - Miscellaneous Intermediation.

How many employees does RLB Holdings, LLC have currently?

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As of September 2026, RLB Holdings, LLC has approximately 6 employees across 2 continents, including North America and Europe. Key team members include Aviation Department Manager: S. R. and Principal: W. T. Explore RLB Holdings, LLC's employee directory with LeadIQ.

What industry does RLB Holdings, LLC belong to?

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RLB Holdings, LLC operates in the Venture Capital and Private Equity Principals industry.

What technology does RLB Holdings, LLC use?

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RLB Holdings, LLC's tech stack includes RSS, WordPress, MySQL, Font Awesome, Swiper, Really Simple Discovery, Bootstrap and Apache HTTP Server.

What is RLB Holdings, LLC's email format?

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RLB Holdings, LLC's email format typically follows the pattern of First@rlb-holdings.com. Find more RLB Holdings, LLC email formats with LeadIQ.

When was RLB Holdings, LLC founded?

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RLB Holdings, LLC was founded in 2011.
RLB Holdings, LLC logo

RLB Holdings, LLC

Venture Capital and Private Equity PrincipalsConnecticut, United States2-10 Employees

RLB Holdings, LLC operates as a small investment firm within the venture capital and private equity space. Founded in 2011 by Ray and Lydia Bartoszek, who co-lead as managing partners, the firm is based in Greenwich, Connecticut. It emphasizes uncovering opportunities with strong growth potential while also aiming to deliver positive economic and community benefits. With a compact team, the firm focuses on guiding partnerships and opportunities that align with these objectives.

A December 2022 update notes that RLB Holdings is pursuing the development of next-generation immunotherapies intended to transform patients' lives.

Section iconCompany Overview

Phone number
SIC Code
6371 - Pension, Health, and Welfare Funds
NAICS Code
52391 - Miscellaneous Intermediation
Founded
2011
Employees
2-10

Section iconFunding & Financials

  • $1M - $10M

    RLB Holdings, LLC's revenue is estimated to be in the range of $1M - $10M

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